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1999 Infiniti I30 CODE P1320

Tiny
DWIGHT'S GARAGE
  • MEMBER
  • 1999 INFINITI I30
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 156,000 MILES
WE HAD PO300 & P1320. SO WE CHANGED OUT THE SPARK PLUGS & COILS. BUT IT SEEMS TO NOT WANT TO CLEAR OR GO OFF. WE HAVE SNAP ON MODIS AND WE DID WHAT IT TOLD US TO DO. BUT LIKE I SAID THE CODE P1320 IS STILL THERE.
HOW DO WE FIX IT. THE CAR DOES RUN, RUNS GOOD.
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Wednesday, May 13th, 2009 AT 2:26 PM

13 Replies

Tiny
DOCFIXIT
  • MECHANIC
  • 18,828 POSTS
Hi
Pcm not receiving voltage in start position. Go to PCM back probe terminal 20 batt voltage must be there when key in start postion. If not check at switch repair wire on replace switch.
Hope this helps
Let me knowThanks for donate
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Thursday, May 14th, 2009 AT 2:26 PM
Tiny
DWIGHT'S GARAGE
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  • 9 POSTS
Let me make sure I understand what you are saying.
Pin 20 at ecm should have battery voltage when key is at start or crank position?If not this will set p1320 the car runs good has a slight miss at times
it just keeps setting this code p1320
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Thursday, May 14th, 2009 AT 3:39 PM
Tiny
DOCFIXIT
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Yes that is right the code sets when it does not receive 12V at start. Will not cause any drivability problems
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Thursday, May 14th, 2009 AT 3:44 PM
Tiny
DWIGHT'S GARAGE
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  • 9 POSTS
CHECKED PIN 20 IT HAS 12V AT START.
CAR RUNS GOOD. BUT STILL HAVE PROBLEM WITH
CODE P1320. WHAT TO DO NOW?
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Monday, May 18th, 2009 AT 4:29 PM
Tiny
DOCFIXIT
  • MECHANIC
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Disconnect PCM harness connector. Then check continuity between #1 coil terminal No. 3 and PCM terminal #1, then #2 coil PCM #2 and so on till all 8 checked. Let me know results
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Tuesday, May 19th, 2009 AT 9:56 AM
Tiny
DWIGHT'S GARAGE
  • MEMBER
  • 9 POSTS
WE HAVE CHECKED ALL 6 OF THE COILS CONTINUITY FROM COILS TO ECM. THERE IS CONTINUITY AT ALL 6. THERE IS 12V AT START.
NOW REMEMBER WHEN I FIRST GOT THE CAR IT HAD P0300 & P1320. THE MODIS SAID THAT IF THE CAR DOES NOT PICK A CYLINDER OUT TO REPLACE ALL COILS. SO WE REPLACED ALL COILS WITH OREILLY ONES BUT IT STILL HAS P1320. OREILLY BRAND IS BORGWARNER. DO THINK THAT THAT IS THE PROBLEM OR WHAT?
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Tuesday, May 19th, 2009 AT 10:27 AM
Tiny
DOCFIXIT
  • MECHANIC
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What happens when you clear code? Come right back on start up? Can you go to Mode 7 and drive test?
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Tuesday, May 19th, 2009 AT 10:50 AM
Tiny
DWIGHT'S GARAGE
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  • 9 POSTS
YES LIGHT COMES ON IMEDIATLY, CLEARED CODE SEVERAL TIMES LIGHT WOULD COME RIGHT BACK ON SOMETIMES, SOMETIMES CODE WOULD BE THERE LIGHT NOT ON. NOT SURE WHAT MODE 7 IS?
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Tuesday, May 19th, 2009 AT 12:38 PM
Tiny
DOCFIXIT
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Find condensor on top rear of engine will have one red and one black wire. Disconnect do an OHM check then reverse leads tes again. What are results?
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Tuesday, May 19th, 2009 AT 1:13 PM
Tiny
DWIGHT'S GARAGE
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WE TESTED THE CONDENSOR BEFORE IT HAD CONTINUITY BEFORE BUT NOW IT HAS NOTHING.
I GUESS WE NEED TO TRY A CONDENSOR. WE WILL LET YOU KNOW THANK YOU
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Tuesday, May 19th, 2009 AT 1:32 PM
Tiny
DOCFIXIT
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Great if condensor fried then it can;t absorb voltage ocolations in coils.
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Tuesday, May 19th, 2009 AT 1:50 PM
Tiny
DWIGHT'S GARAGE
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Ok I replaced the condensor hooked up battery connected modis did not start engine p1320 was present. Cleared code several times with modis & by disconnecting battery code would come right back but would start engine & light was never on untill I drove to get gas restarted light was on & only p1320 code set.
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Wednesday, May 27th, 2009 AT 10:04 AM
Tiny
DOCFIXIT
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Out of ideas all that is left is PCM not sure if Borgwarner coils make a difference but some cars are real OEM needy.
Looking through TSB found one on Code P1320
Bulliten ITB01-053 Date September 10, 2001 says if wiring checks out then replace coils with
RH side 22448-31U01 or 22448-31U11
LH side 22448-31U06 or 22448-31U16
Hope this helps
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Thursday, May 28th, 2009 AT 12:13 PM

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