2003 Toyota Camry

Tiny
WADE ANDREWS
  • MEMBER
  • 2003 TOYOTA CAMRY
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 112,000 MILES
The air cond stopped working, now the on button light just flashes on and off. Could this be the mg clutch relay, if so, what does it look like?
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Monday, September 15th, 2008 AT 7:20 AM

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Tiny
KHLOW2008
  • EXPERT
Hi WADE,

Thank you for the donation.

When the AC light is blinking, a DTC has been recorded.

PRE-CHECK
1. List Of Operation Methods By operating each of the A/C control switches as shown the diagram below, it is possible to enter the diagnosis check mode.


http://www.2carpros.com/forum/automotive_pictures/192750_HVACDiagnostic03Camry01_1.jpg



2. Indicator Check
a. Turn the ignition switch ON while pressing the AUTO switch and R/F switch of A/C control assembly at the same time.


http://www.2carpros.com/forum/automotive_pictures/192750_HVACButton03Camry_1.jpg



b. Check if the indicator light to be on and off at intervals of 1 second for 4 times.

NOTE: After the indicator check is completed, the system enters the DTC check mode automatically. To end the check mode, press the OFF switch.

3. DTC Check (Sensor Check)
a. Perform an indicator check. After the indicator check is completed, the system enters the DTC check mode automatically.

b. Read the code displayed on the panel.
c. If the slower display is desired, press the FRONT DEF switch and change it to stepped operation. Each time the FRONT DEF switch is pressed, the display changes by 1 step.
4. Clearing DTC
a. Clear DTC by one of the following methods.
1. Method 1: During sensor check, press the FRONT DBF switch and REAR. DBF switch at the same time.
2. Method 2: Pull the ECU-B fuse in engine room J/B for 20 sec. or longer to clear the DTC memory.
5. Actuator Check
a. After entering the DTC check mode (Sensor Check Mode) press the R/F switch.
b. As each damper, motor and relay automatically operate actuator check at 1 second intervals from step No.1 to No.10 continuously, check the temperature and air flow visually and by hand. If the slower display is desired, press the DEF switch and change it to step operation. Each time the DEF switch is pressed, the display changes by 1 step.

NOTE: Code are displayed in order from the smaller to the larger numbers. To end the check mode, press the OFF switch.

AIR CONDITIONING SYSTEM - DIAGNOSTICS -2003 Toyota Camry LE 9/15/2008
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Monday, September 15th, 2008 AT 8:41 AM

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