1997 Ford Thunderbird

Tiny
OMARMDWAIK
  • MEMBER
  • 1997 FORD THUNDERBIRD
  • V8
  • 2WD
  • AUTOMATIC
How do I fix error code P1443?
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have the same problem?
Yes
No
Monday, February 21st, 2011 AT 8:32 PM

10 Replies

Tiny
DOCFIXIT
  • EXPERT
Fairly complicated diagnosis most common is leak at filler cap if not that suggest dealer to run diagnostics
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-2
Monday, February 21st, 2011 AT 8:40 PM
Tiny
MERLIN2021
  • EXPERT
The code is a evap cannister purge valve malfunction. Replace the purge valve. It's behind the right headlights, Make sure it's pluggen in, and if it is Unplug it and replug it, go for a ride, if the code stays, replace it.
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+2
Monday, February 21st, 2011 AT 8:41 PM
Tiny
MERLIN2021
  • EXPERT
What makes no sense?
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Monday, February 21st, 2011 AT 9:43 PM
Tiny
OMARMDWAIK
  • MEMBER
Changed silenoid and purge vavle still won't start
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Tuesday, February 22nd, 2011 AT 12:09 AM
Tiny
OMARMDWAIK
  • MEMBER
I repalced cannister purge vavle and silenoid and it will crank n crank but won't start?
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Tuesday, February 22nd, 2011 AT 12:11 AM
Tiny
OMARMDWAIK
  • MEMBER
P0232 comes up as fuel pump secondary circuit high. How can I fix this if I already fixed P1443? Please help merlin2021!
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Tuesday, February 22nd, 2011 AT 12:14 AM
Tiny
OMARMDWAIK
  • MEMBER
Merlin2021 how do I IM you?
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Tuesday, February 22nd, 2011 AT 12:26 AM
Tiny
MERLIN2021
  • EXPERT
Your second post showed p2032? That's why I said it's a ford proprietary code, so I looked on my Ford discs, and that code isnt in there. PLEASE list ALL steps taken so far the more info I have the better I can help. Also just post your email, I will send the 19 page PDF about the P1443 code, it still has something to do with you problems. Chech the relays in the CCRM(constant control relay module). Power, Fuel pump, low and high speed fan. All these relays are in it. Here's a bit of reading for you, pay attention to the test of the ccrm voltage supply, if it test 10.5 v or more the ccrm needs to be replaced.
CIRCUIT TEST X - CONSTANT CONTROL RELAY MODULE (CCRM)

Diagnostic Aids

CCRM interfaces with the EEC-V system to provide control for cooling fan and A/C clutch. CCRM
also contains EEC-V power relay, which provides battery power (VPWR) to the Powertrain Control
Module (PCM) and EEC-V system. Perform this test only when instructed by QUICK TEST or if
directed by a CIRCUIT TEST. This test is only intended to diagnose the following:
? CCRM including EEC power relay, Fan Control/Low Fan Control (FC/LFC) relay.
? Harness circuits (B+, FANM, FPM, FP, FC KPWR, PWR GND, LFC, HFC, A/C, ACCS and
WAC).
? Powertrain Control Module (PCM).
To prevent replacing good components, be aware the following non-EEC related components or
systems may be at fault:
? A/C system.
? Fuel system.
? Starting and charging system.
Fig. 82: Identifying CCRM Connector Terminals
Fig. 83: CCRM Circuits
1) Check VPWR Circuit Continuity Turn ignition off. Disconnect IAC and CCRM wiring
harness connectors. Disconnect scan tester from Data Link Connector (DLC), if applicable.
Measure resistance between VPWR terminal of IAC wiring harness connector and terminals
No. 12 and 24 of CCRM wiring harness connector. If both resistances are less than 5 ohms,
reconnect IAC and go to next step. If either resistance is 5 ohms or more, repair open in VPWR
circuit and repeat QUICK TEST.
2) Check B(+) & IGN START/RUN Voltage To CCRM Turn ignition off. Leave CCRM
disconnected. Measure voltage between negative battery terminal and CCRM wiring harness
connector terminals No. 8 and No. 10. Turn ignition on. Measure voltage between negative
battery terminal and CCRM wiring harness connector terminal No. 13. If all voltages are 10.5
volts or more, go to next step. If any voltage is less than 10.5 volts, repair open in circuit and
repeat QUICK TEST.
3) Check CCRM Ground Circuit Turn ignition off. Leave CCRM disconnected. Measure
voltage between CCRM wiring harness connector terminals No. 8 and 15. If voltage is 10.5
volts or more, replace CCRM. If voltage is less than 10.5 volts, repair open in ground circuit
(terminal No. 15).
15) DTC P1479: Check High Fan Control (HFC) Relay DTC P1479 indicates HFC primary
NOTE:
A break in step numbering sequence occurs at this point.
Procedure skips from step 3) to step 15). No test procedures have
been omitted.
Circuit failure. Following are possible causes for this fault.
? Open or shorted circuit.
? Faulty CCRM.
? Faulty Powertrain Control Module (PCM).
Turn ignition off. Disconnect CCRM wiring harness connector. Measure resistance between
terminal No. 17 and 24 at CCRM wiring harness connector. Resistance should be 65-100
ohms. Measure resistance between terminal No. 17 and terminals No. 1 through 11, 13, 15 and
21 at CCRM wiring harness connector. Resistance should be more than 1000 ohms. If
resistance is as specified, go to next step. If resistance is not as specified, replace CCRM and
repeat QUICK TEST.
16) Check HFC Circuit Continuity Turn ignition off. Disconnect CCRM and PCM wiring
harness connector. Inspect wiring, and repair if damaged. Install EEC-V Breakout Box (014-
00950), leaving PCM disconnected. Measure resistance between test pin No. 46 at breakout
box and terminal No. 17 at CCRM wiring harness connector. If resistance is less than 5 ohms,
go to next step. If resistance is 5 ohms or more, repair open in HFC circuit and repeat QUICK
TEST.
17) Check HFC Circuit For Short To Power Leave CCRM and PCM disconnected. Turn
ignition on. Measure voltage between negative battery terminal and test pin No. 46 at breakout
box. If voltage is less than one volt, turn ignition off and go to next step. If voltage is one volt
or more, repair short to power and repeat QUICK TEST.
18) Check HFC Circuit For Shorts To Ground Turn ignition off. Leave CCRM and PCM
disconnected. Disconnect scan tester from DLC, if applicable. Measure resistance between test
pin No. 46 at breakout box and test pins No. 51, 91 (SIG RTN) and 103 (PWR GND) at
breakout box. If each measurement is more than 10,000 ohms, replace PCM and repeat
QUICK TEST. If any measurement is less than 10,000 ohms, repair HFC circuit short to
ground and repeat QUICK TEST.
20) DTC P1474: Check Fan Operation This code indicates primary circuit failure in Low
Fan Control (LFC) circuit or Fan Control (FC) circuit for single cooling fan systems.
Following are possible causes for this fault.
? Open or shorted circuit.
? Faulty CCRM.
? Faulty Powertrain Control Module (PCM).
Turn ignition on. If cooling fan runs continuously, go to step 24). If cooling fan does not run
continuously, go to next step.
21) Check FC/LFC Circuit For Short To Ground Leave ignition off and CCRM wiring
harness connector disconnected. Disconnect scan tester from DLC, if applicable. Disconnect
PCM wiring harness connector. Inspect wiring, and repair if damaged. Install EEC-V Breakout
Box (014-00950), leaving PCM disconnected. Measure resistance between test pin No. 45 at
breakout box and test pins No. 51, 91 and 103 at breakout box. If resistance is 10,000 ohms or
NOTE:
A break in step numbering sequence occurs at this point.
Procedure skips from step 18) to step 20). No test procedures
have been omitted.

More, go to next step. If resistance is less than 10,000 ohms, repair short to ground in FC or
LFC circuit and repeat QUICK TEST.
22) Check Fan Operation Turn ignition off. Connect CCRM. Leave PCM disconnected. Turn
ignition on. If cooling fan runs continuously, replace PCM and repeat QUICK TEST. If
cooling fan does not run continuously, replace CCRM and repeat QUICK TEST.
24) Check FC/LFC Circuit Continuity Disconnect CCRM wiring harness connector.
Disconnect PCM wiring harness connector. Inspect wiring, and repair if damaged. Install EEC-
V Breakout Box (014-00950), leaving PCM disconnected. Measure resistance between test pin
No. 45 at breakout box and test pin No. 14 at CCRM wiring harness connector. If resistance is
less than 5 ohms, go to next step. If resistance is 5 ohms or more, repair open in FC or LFC
circuit and repeat QUICK TEST.
25) Check FC/LFC Circuit For Short To Power Turn ignition on. Measure voltage between
negative terminal and test pin No. 45 at breakout box. If voltage is less than one volt, go to
next step. If voltage is one volt or more, repair short to power in FC or LFC circuit.
26) FC/LFC Circuit Fault Isolation Check Turn ignition off. Reconnect CCRM wiring
harness connector. Connect jumper wire as follows:
? Between test pin No. 45 (LC/LFC) and 77 (PWR GND) at breakout box.
If cooling fan runs continuously, replace CCRM and repeat QUICK TEST. If cooling fan does
not run continuously, replace PCM and repeat QUICK TEST.
30) Continuous Memory Code P1474: Check FC/LFC Circuit For Open Circuit Or Short
To Power A Continuous Memory Code P1474 indicates that circuit failure has occurred on
Low Fan Control (LFC) circuit. If Code P1474 is present, turn ignition off. Disconnect cooling
fan wiring harness connector. Inspect wiring, and repair if damaged. Connect a non-powered
test light between cooling fan wiring harness power circuit and ground. Turn ignition on. Test
light should be off. Check for indication of fault (test light blinks or comes on) while
performing one of following:
? Shake and bend FC/LFC circuits between CCRM and PCM.
? Lightly tap CCRM to simulate road shock.
Turn ignition off. If fault is indicated, isolate and repair as necessary. Repeat QUICK TEST.
If fault is not indicated, go to next step.
31) Check LFC/FC Circuit For Short To Ground Leave cooling fan wiring harness
connector disconnected. Leave scan tester and test light connected. Turn ignition on. Access
Output Test Mode on scan tester. Command Low Speed Fan On. Test light should be on.
Check for indication of fault (test light blinks or goes off) while performing one of following:
? Shake and bend FC/LFC circuits between CCRM and PCM.
NOTE:
A break in step numbering sequence occurs at this point.
Procedure skips from step 22) to step 24). No test procedures
have been omitted.
NOTE:
A break in step numbering sequence occurs at this point.
Procedure skips from step 26) to step 30). No test procedures
have been omitted.

? Lightly tap CCRM to simulate road shock.
Turn ignition off. If fault is indicated, isolate and repair as necessary. Repeat QUICK TEST.
If fault is not indicated, problem is intermittent and cannot be duplicated at this time.
35) Code P1479 A Continuous Memory Code P1479 indicates that High Fan Control (HFC)
circuit failure has occurred. Turn ignition off. Leave scan tester connected to DLC. Disconnect
cooling fan wiring harness connector. Inspect wiring, and repair if damaged. Connect a non-
powered test light between ground and Power-To-High Speed Fan circuit at cooling fan wiring
harness connector. Turn ignition on. Access Output Test Mode on scan tester. Command High
Speed Fan On. Test light should be on. Check for indication of fault (test light blinks or goes
off) while performing one of following:
? Shake and bend HFC circuit between CCRM and PCM.
? Lightly tap CCRM to simulate road shock.
Turn ignition off. If fault is indicated, isolate and repair as necessary. Repeat QUICK TEST.
If fault is not indicated, go to next step.
36) Check HFC Circuit For Short To Ground Leave cooling fan wiring harness connector
disconnected. Leave scan tester and test light connected. Turn ignition on. Command High
Speed Fan Off. Test light should be off. Check for indication of fault (test light blinks or comes
on) while performing the following:
? Shake and bend HFC circuit between CCRM and PCM.
? Lightly tap CCRM to simulate road shock.
Turn ignition off. If fault is indicated, isolate and repair as necessary. Repeat QUICK TEST.
If fault is not indicated, problem is intermittent and cannot be duplicated or identified at this
time.
40) Check Cooling Fan Operation During operational check of both fan speeds, if fan did not
operate at any speed, stay in Output Test Mode and go to next step. If fan operated at one fan
speed, go to step 50).
41) Cooling Fan Does Not Operate At Any Speed Turn ignition on. Disconnect cooling fan
motor. Command fan on (high speed for 2-speed applications). Measure voltage between
chassis ground and Power-To-High Speed Fan circuit terminal at cooling fan wiring harness
connector. If voltage is 10 volts or less, go to next step. If voltage is more than 10 volts, go to
step 45).
42) Check B + Circuit To Fan Relays Turn ignition off. Ensure cooling fan is disconnected.
Disconnect CCRM. Connect voltmeter negative probe to negative battery terminal. Connect
voltmeter positive probe to terminals No. 3 and 4 of CCRM harness connector. If each reading
NOTE:
A break in step numbering sequence occurs at this point.
Procedure skips from step 31) to step 35). No test procedures
have been omitted.
NOTE:
A break in step numbering sequence occurs at this point.
Procedure skips from step 36) to step 40). No test procedures
have been omitted.

Is more than 10 volts, go to next step. If any reading is 10 volts or less, fault exists in B +
circuit. Check cooling fan related fuse/fuse links. If fuse/fuse link is blown, check for short to
ground in B + circuit. Repair as necessary. If fuse/fuse link is okay, check for open B + circuit.
Repair as necessary, reconnect all components and recheck system operation.
43) Check Power To Fan(s) Circuit Turn ignition off. Ensure CCRM and cooling fan is
disconnected. Perform appropriate procedure:
Measure resistance of Power-To-High fan circuit between cooling fan wiring harness
connector and terminal No. 6 at CCRM wiring harness connector. Also, measure resistance of
Power-To-Low Speed Fan circuit between cooling fan wiring harness connector and terminal
No. 2 of CCRM.
If each reading is less than 7 ohms, replace CCRM. If any reading is 7 ohms or more, locate
and repair open circuit(s) between cooling fan motor and CCRM. After repair is completed,
reconnect all components and recheck system operation.
45) Check Cooling Fan Ground Circuit Turn ignition off. Ensure cooling fan is
disconnected. Disconnect scan tester from Data Link Connector (DLC). Measure resistance
between negative battery terminal and ground circuit terminal at cooling fan wiring harness
connector. If resistance is 5 ohms or more, locate and repair open ground circuit. Reconnect all
components and recheck system operation. If resistance is less than 5 ohms, replace cooling
fan motor.
50) Determine Which Fan Speed Is Operational If low speed fan is functioning properly, but
high speed fan is inoperative, go to step 65). If low speed fan is not functioning properly, go to
next step.
51) Low Speed Cooling Fan Inoperative Turn ignition on. Remain in Output Test Mode.
Disconnect cooling fan. Command Low Speed Fan On. Measure voltage between ground
circuit terminal and Power-To-Low Speed Fan circuit terminal at cooling fan wiring harness
connector. If voltage is more than 10 volts, replace fan motor. Reconnect all components and
recheck system operation. If voltage is 10 volts or less, go to next step.
52) Check Power-To-Low Fan Circuit Continuity Turn ignition off. Disconnect CCRM.
Measure resistance between Power-To-Low Speed Fan circuit terminal at cooling fan wiring
harness connector and terminals No. 1 and 2 at CCRM wiring harness connector. If resistance
is less than 5 ohms, replace go to next step. If resistance is 5 ohms or more, locate and repair
open in Power-To-Fan circuit. Reconnect all components and recheck system operation.
53) FC/LFC Circuit Fault Check Turn ignition off. Reconnect CCRM and cooling fan wiring
harness connector. Connect scan tester to DLC. Disconnect PCM wiring harness connector.
Inspect wiring, and repair if damaged. Install EEC-V Breakout Box (014-00950). Connect
PCM to breakout box. Turn ignition on and proceed as follows while noting voltage:
? Measure voltage between test pin No. 45 (LC/LFC) and 77 (PWR GND) at breakout
NOTE:
A break in step numbering sequence occurs at this point.
Procedure skips from step 43) to step 45). No test procedures
have been omitted.
NOTE:
A break in step numbering sequence occurs at this point.
Procedure skips from step 45) to step 50). No test procedures
have been omitted.

Box.
Using scan tester access Output Test Mode. Command low speed fan on. Repeat voltage check
and note voltage. If voltage changes more than 6 volts on second voltage check, replace
CCRM, replace CCRM and repeat QUICK TEST. If voltage does not change more than 6
volts on second voltage check, go to step 20).
65) High Speed Cooling Fan Inoperative With scan tester still connected to Data Link
Connector (DLC) and scan tester still in Output Test Mode, disconnect cooling fan. Turn
ignition on. Command High Speed Cooling Fan On. Measure resistance between negative
battery terminal and Power-To-High Speed Fan circuit terminal at cooling fan wiring harness
connector. If voltage is 10.5 volts or less, go to next step. If voltage is more than 10.5 volts,
replace fan motor. Reconnect all components and recheck system operation.
66) Check Power-To-Fan Circuit Resistance Turn ignition off. Disconnect CCRM. Measure
resistance between terminal No. 6 of CCRM wiring harness connector and cooling fan wiring
harness connector. If resistance is less than 5 ohms, go to step 70). If resistance is 5 ohms or
more, locate and repair open in Power-To-High Speed Fan circuit. Reconnect all components
and recheck system operation.
70) High Speed Fan Circuit Check Turn ignition off. Reconnect CCRM and cooling fan
wiring harness connector. Connect scan tester to DLC. Disconnect PCM wiring harness
connector. Inspect wiring, and repair if damaged. Install EEC-V Breakout Box (014-00950).
Connect PCM to breakout box. Turn ignition on and proceed as follows while noting voltage:
? Measure voltage between test pin No. 46 (HFC) and 77 (PWR GND) at breakout box.
Using scan tester access Output Test Mode. Command high speed fan on. Repeat voltage
check and note voltage. If voltage changes more than 6 volts on second voltage check, replace
CCRM, replace CCRM and repeat QUICK TEST. If voltage does not change more than 6
volts on second voltage check, go to step 15).
80) Cooling Fan Always Runs Turn all accessories off. Turn ignition on. Verify that cooling
fan is always on. Turn ignition off. Disconnect CCRM. Turn ignition on. If cooling fan is off,
replace CCRM. Reconnect all components and recheck system operation. If cooling fan is still
on, go to next step.
81) Check For Short To Power Disconnect cooling fan. Measure voltage between ground and
Power-To-Low Speed Fan circuit, and Power-To-High Speed Fan circuit at cooling fan motor
wiring harness connector. If both readings are less than one volt, problem is intermittent and
NOTE:
A break in step numbering sequence occurs at this point.
Procedure skips from step 53) to step 65). No test procedures
have been omitted.
NOTE:
A break in step numbering sequence occurs at this point.
Procedure skips from step 66) to step 70). No test procedures
have been omitted.
NOTE:
A break in step numbering sequence occurs at this point.
Procedure skips from step 70) to step 80). No test procedures
have been omitted.

Cannot be duplicated at this time. If any reading is one volt or more, locate and repair short to
power in Power-To-Low Fan circuit or Power-To-High Speed Fan circuit. Reconnect all
components and recheck system operation.
85) One Cooling Fan Inoperative Turn ignition off. Disconnect both cooling fans. Using scan
tester, access Output Test Mode on scan tester. Command High Speed Fan On. Measure
voltage between ground terminal and Power-To-Fan terminal at inoperative cooling fan motor
wiring harness connector. If voltage is 10.5 volts or less, remain in Output Test Mode and go to
next step. If voltage is more than 10.5 volts, replace inoperative cooling fan motor. Reconnect
all components and recheck system operation.
86) Check Power-To-Fan Circuit Measure voltage between negative battery terminal and
Power-To-Fan terminal at inoperative cooling fan motor wiring harness connector. If voltage is
more than 10.5 volts, locate and repair open ground circuit. Reconnect all components and
recheck system operation. If voltage is 10.5 volts or less, locate and repair open in Power-To-
Fan circuit. Reconnect all components and recheck system operation.
100) Check For Voltage To Cyclic Pressure Switch Disconnect A/C cycling switch. Turn
ignition on. Turn A/C switch on. Measure voltage between A/C demand switch (or EATC
module) side of A/C cycling switch wiring harness connector and negative battery terminal. If
10.5 volts or more are present, go to next step. If less than 10.5 volts are present, EEC-V
system is okay. Fault is in A/C system.
101) Check A/C Cycling Switch Contacts Turn ignition off. Measure resistance between A/C
cycling connector terminal. If resistance is less than 5 ohms, go to next step. If resistance is 5
ohms or more, EEC-V system is okay. Fault is in A/C system.
102) Check For Voltage To A/C Pressure Switch (ACPSW) Turn ignition off. Reconnect
A/C cycling switch. Disconnect ACPSW. Turn ignition on. Turn A/C switch on. Measure
voltage between A/C demand switch terminal of ACPSW wiring harness connector and
negative battery terminal. See Fig. 84. If 10.5 volts or more are present, go to next step. If less
than 10.5 volts are present, repair open circuit between ACPSW and A/C cycling switch.
Fig. 84: Checking ACPSW Circuit Voltage
103) Check Resistance Of ACPSW High Pressure Contacts Turn ignition off. Leave
ACPSW disconnected. Measure resistance between ACPSW high pressure contacts. See Fig.
85. If resistance is less than 5 ohms, go to next step. If resistance is 5 ohms or more, check for
overcharged A/C system. If system charge is okay, replace ACPSW.
Fig. 85: Checking ACPSW High Pressure Contact Resistance
104) Check Voltage To PCM On ACCS Circuit Turn ignition off. Reconnect ACPSW.
Disconnect PCM wiring harness connector. Inspect wiring, and repair if damaged. Install EEC-
NOTE:
A break in step numbering sequence occurs at this point.
Procedure skips from step 81) to step 85). No test procedures
have been omitted.
NOTE:
A break in step numbering sequence occurs at this point.
Procedure skips from step 86) to step 100). No test procedures
have been omitted.

V Breakout Box (014-00950), leaving PCM disconnected. Turn ignition on. Turn A/C switch
on. Measure voltage between breakout box test pins No. 41 (ACCS) and No. 77 (PWR GND).
If voltage is 10.5 volts or more, replace PCM and repeat QUICK TEST. If voltage is less than
10.5 volts, repair open circuit between ACPSW and PCM.
105) KOEO/KOER DTC P1460 This code indicates that a fault occurred in Wide Open
Throttle A/C Cut-Out (WAC) circuit. Following are possible causes for this fault.
? A/C on during Self-Test.
? Open or shorted circuit.
? Faulty CCRM.
? Faulty Powertrain Control Module (PCM).
Turn A/C and defroster off. Leave scan tester connected to DLC. Start engine and allow to idle.
Using scan tester, access ACCS PID. If ACCS PID is off, go to next step. If ACCS PID is on,
go to step 125).
106) Turn ignition off. Disconnect CCRM wiring harness connector. Measure resistance
between terminal No. 22 and 24 at CCRM wiring harness connector. Resistance should be 130-
200 ohms. Measure resistance between terminal No. 22 and terminals No. 1 through 11, 13, 15
and 21 at CCRM wiring harness connector. Resistance should be more than 1000 ohms. If
resistance is as specified, go to next step. If resistance is not as specified, replace CCRM and
repeat QUICK TEST.
107) WAC Circuit For Short To Power Turn ignition off. Disconnect CCRM. Disconnect
PCM wiring harness connector. Inspect wiring, and repair if damaged. Install EEC-V Breakout
Box (014-00950), leaving PCM disconnected. Turn ignition on. Measure voltage between
breakout box test pin No. 69 (WAC) and test pins No. 51 and No. 103 (PWR GND). If voltage
is less than one volt, go to next step. If voltage is one volt or more, repair WAC circuit short to
power.
108) Check WAC Circuit For Short To Ground Turn ignition off. Leave CCRM and PCM
disconnected. Disconnect scan tool from DLC. Measure resistance between breakout box test
pin No. 69 (WAC) and test pins No. 51, 103 (PWR GND) and 91 (SIG RTN). If each
resistance measurement is more than 10,000 ohms, go to next step. If any resistance
measurement is 10,000 ohms or less, repair WAC circuit short to ground and repeat QUICK
TEST.
109) Check WAC Circuit Resistance Turn ignition off. Leave CCRM and PCM
disconnected. Disconnect scan tester from DLC (if applicable). Measure resistance between
test pin No. 69 (WAC) at breakout box and test pin No. 22 at CCRM wiring harness connector.
If resistance is less than 5 ohms, go to next step. If resistance 5 ohms or more, repair open in
WAC circuit and repeat QUICK TEST.
110) No A/C Operation Turn ignition on. Turn A/C demand switch on. Measure voltage
between CCRM wiring harness connector terminals No. 15 and 21. If voltage is more than 10.5
volts, go to next step. If voltage is 10.5 volts or less, repair open in A/C demand circuit
between CCRM and ACCS splice to PCM and re-evaluate symptom.
111) Check Circuit Continuity Turn ignition off. Leave CCRM disconnected. Disconnect
scan tester from DLC (if applicable). Disconnect A/C clutch. Measure resistance between
CCRM wiring harness connector terminal No. 16 and ground side of A/C clutch wiring harness
connector. Measure resistance between CCRM wiring harness connector terminal No. 23 and
power side of A/C clutch wiring harness connector. If either resistance is less than 5 ohms,
replace CCRM and re-evaluate symptom. If either resistance 5 ohms or more, repair open

circuit and re-evaluate symptom.
115) Continuous Memory DTC P1469: Excessive A/C Compressor Clutch Cycling This
DTC indicates ACCS input to PCM has changed states in less than 8.5 second intervals.
Possible causes are as follows:
? A/C system mechanical fault such as low refrigerant charge or damaged A/C cycling
switch.
? Intermittent open circuit between EATC module and PCM terminal No. 41 (ACCS).
Check A/C system for mechanical fault such as low refrigerant charge or damaged A/C cycling
switch. See A/C-HEATER SYSTEM article in the AIR CONDITIONING & HEAT section. If
fault is indicated, isolate and repair as necessary. Repeat QUICK TEST. If fault is not
indicated, go to next step.
116) Check Circuit Between ETAC Module & PCM Turn ignition off. Connect scan tester
to DLC. Turn ignition on. Using scan tester, access ACCS PID. Turn A/C switch on. Check for
indication of fault while performing one of following:
? Shake and bend ACCS circuits between ETAC module and PCM.
? Lightly tap A/C cycling switch to simulate road shock.
Fault will be indicated by ACCS PID turning on and off. If fault is indicated, isolate and repair
as necessary. Repeat QUICK TEST. If fault is not indicated, problem is intermittent and
cannot be duplicated at this time.
120) Continuous Memory DTC P1460: Intermittent WAC Circuit Failure DTC P1460
indicates an open or short in Wide Open Throttle A/C Cut-Out (WAC) circuit.
Turn ignition off. Connect scan tester to DLC. Disconnect A/C cyclic pressure switch. Connect
switch terminals using a jumper wire. Turn ignition on. Turn A/C demand switch on. Check
circuit integrity by shaking and bending WAC wiring harness while listening to A/C clutch. If
a fault is located in the circuit, the A/C clutch will cycle on or off. Check CCRM by tapping
lightly to simulate road shock. If a fault is located, isolate and repair as necessary. If fault is not
located, problem cannot be duplicated or identified at this time.
NOTE:
A break in step numbering sequence occurs at this point.
Procedure skips from step 111) to step 115). No test procedures
have been omitted.
NOTE:
A break in step numbering sequence occurs at this point.
Procedure skips from step 116) to step 120). No test procedures
have been omitted.
NOTE:
Disregard DTC P1460 if vehicle is not equipped with A/C.
NOTE:
A break in step numbering sequence occurs at this point.
Procedure skips from step 120) to step 124). No test procedures
have been omitted.

124) DTC P1464: Check ACCS PID Turn ignition off. Connect scan tester to DLC. Turn
ignition on. Using scan tester, access ACCS PID. If ACCS is on, go to next step. If ACCS is
off, indication is A/C and defrost switch were on during self-test. Turn A/C, defrost switch and
all accessories off. Repeat QUICK TEST.
125) ACCS PID On Turn ignition off. Disconnect A/C cycling switch. Connect scan tester to
DLC. Turn ignition on. Using scan tester, access ACCS PID. If ACCS PID does not go off, go
to next step. If ACCS PID goes off, check A/C switch and repair or replace as necessary. If
A/C switch is okay, repair short to power in A/C demand circuit to A/C cycling switch.
126) Check A/C Clutch Circuit For Short To Power Leave CCRM disconnected. Turn
ignition on. Measure voltage between CCRM wiring harness connector terminal No. 23 and
negative battery terminal. If voltage is less than one volt, go to next step. If voltage is one volt
or more, repair circuit short to power and re-evaluate symptom.
127) Check ACCS Circuit For Short To Power Turn ignition off. Leave A/C cycling switch
and CCRM disconnected. Disconnect PCM wiring harness connector. Inspect wiring, and
repair if damaged. Install EEC-V Breakout Box (014-00950), leaving PCM disconnected. Turn
ignition on. Measure voltage at breakout box test pin No. 41 (ACCS) and test pins No. 51 and
103 (PWR GND). If voltage is less than one volt, go to next step. If voltage is one volt or
more, repair circuit short to power and re-evaluate symptom.
128) Check ACCS Circuit Voltage To PCM Turn ignition off. Leave A/C cycling switch and
PCM disconnected. Reconnect CCRM. Turn ignition on. Measure voltage between breakout
box test pin No. 41 (ACCS) and test pins No. 51 and 103 (PWR GND). If voltage is less than
one volt, replace PCM and re-evaluate symptom. If voltage is one volt or more, replace CCRM
and re-evaluate symptom.
130) No WAC & No DTCs Turn ignition off. Ensure A/C clutch and CCRM are connected.
Connect scan tester to DLC. Turn ignition on. Using scan tester, access Output Test Mode.
Turn A/C demand switch on. While observing A/C clutch engagement, command outputs on
and off several times. If A/C clutch engagement cycles, fault is intermittent. Go to CIRCUIT
TEST Z. If A/C clutch does not cycles, replace CCRM and re-evaluate symptom.
150) KOEO & KOER DTC P0230 This code indicates fuel pump primary circuit failure.
Following are possible causes for this fault:
? Open or shorted FP circuit.
? Faulty CCRM.
? Faulty PCM.
Turn ignition off. Disconnect CCRM wiring harness connector. Measure resistance between
terminal No. 18 and 24 at CCRM wiring harness connector. Resistance should be 65-120
ohms. Measure resistance between terminal No. 18 and terminals No. 1 through 11, 13, 15 and
21 at CCRM wiring harness connector. Measure resistance between terminal No. 18 and
NOTE:
A break in step numbering sequence occurs at this point.
Procedure skips from step 128) to step 130). No test procedures
have been omitted.
NOTE:
A break in step numbering sequence occurs at this point.
Procedure skips from step 130) to step 150). No test procedures
have been omitted.

CCRM housing. Resistance should be 1000 ohms or more.
If resistance is as specified, go to next step. If resistance is not as specified, replace CCRM and
repeat QUICK TEST.
151) Check Fuel Pump Circuit For Short To Power Turn ignition off. Disconnect PCM
wiring harness connector. Inspect connector terminals and repair if damaged. Turn ignition on.
Measure voltage between negative battery terminal and terminal No. 18 at CCRM wiring
harness connector. If voltage is less than one volt, go to next step. If voltage is one volt or
more, repair circuit short to power and repeat QUICK TEST.
152) Check Fuel Pump Circuit For Shorts To Ground Turn ignition off. Leave CCRM and
PCM disconnected. Disconnect scan tester from DLC, if applicable. Measure resistance
between negative battery terminal and CCRM connector terminal No. 18. If resistance is more
than 10,000 ohms, go to next step. If resistance is 10,000 ohms or less, repair short to ground
and repeat QUICK TEST.
153) Check FP Circuit Continuity Turn ignition off. Leave CCRM and PCM disconnected.
Inspect wiring, and repair if damaged. Install EEC-V Breakout Box (014-00950), leaving PCM
disconnected. Measure resistance between breakout box test pin No. 80 (FP) and CCRM
connector terminal No. 18. If resistance measurement is 5 ohms or more, repair open circuit
and repeat QUICK TEST. If resistance is less than 5 ohms and DTC P0230, P0231 or P0232
is present, go to next step. If resistance is less than 5 ohms and DTC P0230, P0231 or P0232 is
not present, replace PCM and repeat QUICK TEST.
154) Check PCM Ensure scan tester is connected to DLC. Turn ignition on. Using scan tester,
access FPA PID or FPF PID. Crank engine while viewing FPA PID or FPF PID. If FPA PID is
OFF (or FPF PID indicates YES), replace PCM and repeat QUICK TEST.
If FPA PID is ON or (FPF PID indicates NO), while engine is cranking, and DTC P0231 is
present, go to step 180). If FPA PID is on while engine is cranking, and DTC P0232 is present,
go to step 170).
160) DTC P1232: Check For Power To Fuel Pump Relay Turn ignition off. Disconnect low
speed fuel pump relay. Turn ignition on. Measure voltage between chassis ground and VPWR
circuit at low speed fuel pump relay wiring harness connector. If voltage is 10.5 volts or more,
go to next step. If voltage is less than 10.5 volts, repair open in VPWR circuit between EEC-V
power relay and low speed fuel pump relay and repeat QUICK TEST.
161) Check Low Speed Fuel Pump Relay Turn ignition off. Leave low speed fuel pump relay
disconnected. Terminal numbers are molded on relay. Measure resistance as follows:
? Between terminals No. 85 and 86 at low speed fuel pump relay.
NOTE:
The FPA PID detects FP circuit voltage. If FPA PID is ON, circuit is
grounded. If FPA PID is OFF, circuit is open. The FPF PID detects
faults in FP circuit. If FPF PID is indicates NO, no faults are
detected. If FPF PID indicates YES, a fault has been detected.
NOTE:
A break in step numbering sequence occurs at this point.
Procedure skips from step 154) to step 160). No test procedures
have been omitted.

Replace low speed fuel pump relay if resistance is not 40-85 ohms. If resistance is okay,
measure resistance as follows:
? Between terminal No. 85 and terminals No. 30 and 87 at low speed fuel pump relay.
Replace low speed fuel pump relay if resistance is not 10,000 ohms. If resistance is okay, go to
next step.
162) Check Low Speed Fuel Pump Circuit Leave ignition off and low speed fuel pump relay
disconnected. Disconnect PCM wiring harness connector. Inspect pins for damage and repair
as necessary. Install EEC-V Breakout Box (014-000950), leaving PCM disconnected. Turn
ignition on. Measure voltage between test pin No. 79 (LFP) and chassis ground. If voltage is
one volt or less, go to next step. If voltage is more than one volt, repair circuit short to power
and repeat QUICK TEST.
163) Leave ignition off and low speed fuel pump relay disconnected. Disconnect scan tester
from Data Link Connector (DLC). Measure resistance between test pin No. 79 and test pins
No. 51, 91 and 103. If each resistance measurement is more than 10,000 ohms, go to next step.
If any resistance measurement is 10,000 ohms or less, repair short circuit and repeat QUICK
TEST.
164) Leave ignition off and low speed fuel pump relay disconnected. Measure resistance
between Low Speed Fuel Pump terminal at low speed fuel pump relay wiring harness
connector and test pin No. 79 at breakout box. If resistance is less than 5 ohms, replace PCM
and repeat QUICK TEST. If resistance is 5 ohms or more, repair open circuit and repeat
QUICK TEST.
170) KOEO & KOER DTC P0232 If engine starts, go to next step. If engine does not start,
go to step 175). For Continuous Memory DTC P0232, go to step 190).
171) Check Fuel Pump Turn ignition on. Listen for operational noise from fuel pump. If fuel
pump can be heard, go to next step. If fuel pump cannot be heard, go to step 173).
172) Check Fuel Pump Relay Turn ignition off. Disconnect CCRM. Turn ignition on. Listen
for operational noise from fuel pump. If fuel pump does not operate, replace CCRM and repeat
QUICK TEST. If fuel pump does operate, repair POWER-TO-PUMP or FPM circuit short to
power and repeat QUICK TEST.
173) Check FPM Circuit Turn ignition off. Leave CCRM pump relay disconnected.
Disconnect PCM wiring harness connector. Inspect pins for damage and repair as necessary.
Install EEC-V Breakout Box (014-000950), leaving PCM disconnected. Measure resistance
between test pin No. 40 at breakout box and terminal No. 5 at CCRM connector. If resistance
is less than 7 ohms, go to next step. If resistance is 7 ohms or more, repair open circuit and
repeat QUICK TEST.
174) Check PCM Fuel Pump Circuit Leave ignition off. Remove breakout box. Reconnect
CCRM and PCM. Connect scan tester to DLC. Turn ignition on. Using scan tester, access FPM
PID. If scan tester indicates OFF, fuel pump primary circuit is okay and testing is complete. If
scan tester does not indicate OFF, replace PCM and repeat QUICK TEST.
175) Check IFS Switch Turn ignition off. Locate IFS switch in trunk near left hinge. Measure
NOTE:
A break in step numbering sequence occurs at this point.
Procedure skips from step 164) to step 170). No test procedures
have been omitted.
Resistance between terminals "C" and NC of IFS switch. If resistance is less than 5 ohms, go to
next step. If resistance is 5 ohms or more, reset or replace IFS switch and repeat QUICK
TEST.
176) Leave ignition off and IFS switch disconnected. Disconnect CCRM. Measure resistance
between POWER-TO-PUMP terminal at IFS switch connector and terminal No. 5 at CCRM
connector. If resistance is less than 7 ohms, reconnect CCRM and go to next step. If resistance
is 7 ohms or more, repair open circuit and repeat QUICK TEST.
177) Check Fuel Pump Ground Circuit Leave ignition off and IFS switch disconnected.
Disconnect fuel pump. Measure resistance between fuel pump motor ground circuit at
connector and chassis ground. If resistance is less than 5 ohms, go to next step. If resistance is
5 ohms or more, repair open in fuel pump motor ground circuit and repeat QUICK TEST.
178) Leave ignition off, fuel pump and IFS switch disconnected. Measure resistance between
POWER-TO-PUMP terminal at fuel pump connector and POWER-TO-PUMP terminal at IFS
connector. If resistance is less than 5 ohms, go to next step. If resistance is 5 ohms or more,
repair open in POWER-TO-PUMP circuit and repeat QUICK TEST.
179) Leave ignition off, fuel pump and IFS switch disconnected. Measure resistance between
fuel pump motor terminals. If resistance is less than 10 ohms, fuel pump circuits are okay and
testing is complete. If resistance is 10 ohms or more, replace fuel pump and repeat QUICK
TEST.
180) KOEO & KOER DTC P0231 If engine will start, replace PCM. If engine will not start,
go to next step.
181) Check For Power To Fuel Pump Relay Turn ignition off. Disconnect CCRM wiring
harness connector. Measure voltage between CCRM wiring harness connector terminal No. 11
and negative battery terminal. If voltage is 10.5 volts or more, go to next step. If voltage is less
than 10.5 volts, repair open in B+ circuit to CCRM and repeat QUICK TEST.
182) Check Power-To-Pump Circuit Continuity Leave ignition off and CCRM
disconnected. Measure resistance between CCRM wiring harness connector terminal No. 5 and
negative battery terminal. If resistance is less than 12 ohms, replace CCRM and re-evaluate
symptom. If resistance is 12 ohms or more, repair open in POWER-TO-PUMP circuit between
CCRM and FPM splice and repeat QUICK TEST.
183) Isolate Open In POWER-TO-PUMP Circuit Leave ignition off. Disconnect low speed
fuel pump relay. Measure resistance of POWER-TO-PUMP circuit between CCRM wiring
harness connector terminal No. 5 and low speed fuel pump relay connector. If resistance is less
than 5 ohms, repair open in POWER-TO-PUMP circuit between low speed fuel pump relay
and FPM splice. If resistance is 5 ohms or more, repair open in POWER-TO-PUMP circuit
between low speed fuel pump relay and the CCRM.
185) Check POWER-TO-PUMP Circuit Leave ignition off. Disconnect scan tester from
DLC. Disconnect low speed fuel pump relay. Measure resistance between chassis ground and
POWER-TO-PUMP circuit through resistor at low speed fuel pump relay. If resistance is less
than 12 ohms, replace PCM and repeat QUICK TEST. If resistance is 12 ohms or more, check
resistor. If resistor is okay, repair open in POWER-TO-PUMP circuit and repeat QUICK
TEST.
NOTE:
A break in step numbering sequence occurs at this point.
Procedure skips from step 183) to step 185). No test procedures
have been omitted.
190) Continuous Memory DTC P0232 Turn ignition off. Connect scan tester to DLC. Turn
ignition on. Using scan tester, access FPM PID. Observe FPM PID for indication of fault while
tapping on IFS switch. Fault will be indicated if FPM PID comes on. Check circuit integrity by
shaking and bending fuel system wiring harness. If a fault is located, isolate and repair as
necessary. If fault is not located, problem cannot be duplicated or identified at this time. Go to
CIRCUIT TEST Z.
195) Continuous Memory DTC P0231 Turn ignition off. Disconnect PCM. Install EEC-V
Breakout Box (014-00950). Connect PCM. Connect jumper wire between breakout box test pin
No. 77 and 80. Connect DVOM wire between breakout box test pin No. 40 and 51. Turn
ignition on. Observe DVOM for indication of fault while tapping on CCRM. Fault will be
indicated by sudden change of voltage. Check circuit integrity by shaking and bending fuel
system wiring harness. If a fault is located, isolate and repair as necessary. If fault is not
located, problem cannot be duplicated or identified at this time. Go to CIRCUIT TEST Z.
200) Continuous Memory DTC P0230 Turn ignition off. Connect scan tester to DLC. Turn
ignition on an wait 5 seconds. Using scan tester, access FPA PID. Observe FPA PID for
indication of fault while tapping on CCRM. Fault will be indicated if FPA PID comes on.
Check circuit integrity by shaking and bending fuel pump system wiring harness. Check
CCRM and PCM connectors for damage or corrosion. If a fault is indicated, isolate and repair
as necessary. If fault is not located, and DTC P0231 or P0232 is present, problem is
intermittent fuel pump secondary circuit fault. If fault is not located, and DTC P0231 or P0232
is not present, problem cannot be duplicated or identified at this time. Go to CIRCUIT TEST
Z.
205) Continuous Memory DTC P1232 Turn ignition off. Connect scan tester to DLC. Turn
ignition on an wait 5 seconds. Using scan tester, access LFPF PID. Observe LFPF PID for
indication of fault while tapping on CCRM and low speed fuel pump relay. Fault will be
indicated if LFPF PID indicates YES. Check circuit integrity by shaking and bending fuel
pump system wiring harness. Check CCRM and PCM connectors for damage or corrosion. If a
fault is indicated, isolate and repair as necessary. If fault is not located, problem cannot be
duplicated or identified at this time. Go to CIRCUIT TEST Z.
NOTE:
A break in step numbering sequence occurs at this point.
Procedure skips from step 185) to step 190). No test procedures
have been omitted.
NOTE:
A break in step numbering sequence occurs at this point.
Procedure skips from step 190) to step 195). No test procedures
have been omitted.
NOTE:
A break in step numbering sequence occurs at this point.
Procedure skips from step 195) to step 200). No test procedures
have been omitted.
NOTE:
A break in step numbering sequence occurs at this point.
Procedure skips from step 200) to step 205). No test procedures
have been omitted.

210) Hard Start Or Lack Of Power; Check Low Speed Fuel Pump Relay Turn ignition off.
Disconnect low speed fuel pump relay. Terminal numbers are molded on relay. Measure
resistance between terminals No. 30 and 87A at low speed fuel pump relay. If resistance is 5
ohms or more, replace low speed fuel pump relay. If resistance is less than 5 ohms, go to next
step.
211) Check POWER-TO-PUMP Circuit Leave ignition off and low speed fuel pump relay
disconnected. Measure resistance between chassis ground and POWER-TO-PUMP circuit
through resistor at low speed fuel pump relay. If resistance is less than 10 ohms, no faults are
present and testing is complete. If resistance is 10 ohms or more, repair open in POWER-TO-
PUMP circuit and repeat QUICK TEST.
CIRCUIT TEST Z - INTERMITTENT

NOTE:
A break in step numbering sequence occurs at this point.
Procedure skips from step 205) to step 210). No test procedures
have been omitted.
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Tuesday, February 22nd, 2011 AT 12:43 AM
Tiny
OMARMDWAIK
  • MEMBER
Ok merlin I goofed on the code it is P0232. I changed the cannister purge valve and the silenoid the both are connected to each other by hoses 1/4 inch. Located under passenger headlamp. P1443 code disappered but P0232 is still there and my car won't start but it will crank with no hesitation. Do you have a number when I can reach you with mores details please?
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Tuesday, February 22nd, 2011 AT 1:08 AM
Tiny
MERLIN2021
  • EXPERT
The above answer covers the P0232 code. Did you look at it?
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Wednesday, February 23rd, 2011 AT 12:23 AM

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