[55B] AUTOMATIC AIR CONDITIONER - - TROUBLESHOOTING - SYMPTOM PROCEDURES - INSPECTION PROCEDURE 7: The A/C indicator flashes.PRINT PAGE / INDEX / PRIOR / NEXT
INSPECTION PROCEDURE 7: The A/C indicator flashes.
CIRCUIT OPERATION
If the A/C indicator flashes then the possible causes may be due to a defective A/C pressure system or insufficient refrigerant gas.
TROUBLESHOOTING HINTS
  • Malfunction of the A/C pressure sensor
  • Malfunction of the outside thermo sensor
  • Malfunction of the A/C-ECU
DIAGNOSIS
Step 1. Check the A/C pressure sensor operation.
Refer to GROUP 55A, On vehicle service - A/C pressure sensor check .
Q: Is the A/C pressure sensor operating properly?
YES:  Go to Step 2.
NO:  Replace the A/C pressure sensor.
Step 2. Check the outside thermo sensor.
Refer to .
Q: Is the outside thermo sensor in good condition?
YES:  Go to Step 3.
NO:  Replace the air thermo sensor.
Step 3. Check the refrigerant level.
Refer to GROUP 55A, On vehicle service - sight glass refrigerant level test .
Q: Is the refrigerant level correct?
YES:  Replace the automatic air conditioner control panel (A/C-ECU).
NO:  Correct the refrigerant level. (Refer to GROUP 55A - On-vehicle Service ).
[55B] AUTOMATIC AIR CONDITIONER - - TROUBLESHOOTING - SYMPTOM PROCEDURES - INSPECTION PROCEDURE 7: The A/C indicator flashes.PRINT PAGE / INDEX / PRIOR / NEXT
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