1.INSPECTION BY FAIL-SAFE FUNCTION

1. Turn the ignition switch ON.
2. After approximately 30 seconds, check that the air conditioner is operated by the fail-safe function (the operation display of air conditioner is not performed). Refer to Fail-safe.

Is the fail-safe function operated?
YES>>GO TO 3.
NO>>GO TO 2.
2.CHECK A/C AUTO AMP. POWER SUPPLY CIRCUIT AND GROUND CIRCUIT
Check A/C auto amp. power supply circuit and ground circuit. Refer to Diagnosis Procedure.
Is the inspection result normal?
YES>>GO TO 3.
NO>>Repair or replace parts according to the inspection results.
3.CHECK PRESET SWITCH
Check the preset switch. Refer to Symptom Table (Base audio with navigation) or Symptom Table (Bose audio with navigation).
Is the inspection result normal?
YES>>Replace A/C auto amp.
NO>>Repair or replace parts according to the inspection results.