A/C AUTO AMP.

1. Press the AUTO switch, and then check that “AUTO” is shown on the display.
2. Operate the temperature control dial (driver side). Check that the blower speed or discharge air changes (the discharge air temperature or blower speed varies depending on the ambient temperature, in-vehicle temperature, and set temperature).

YES>>INSPECTION END

NO>>Perform the diagnosis for the A/C auto amp. Refer to Diagnosis Procedure.

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.

YES>>GO TO 3.

NO>>GO TO 2.

Check A/C auto amp. power supply circuit and ground circuit. Refer to Diagnosis Procedure.

YES>>GO TO 3.

NO>>Repair or replace parts according to the inspection results.

Check the preset switch. Refer to Symptom Table (BASE AUDIO WITH NAVIGATION) or Symptom Table (BOSE AUDIO WITH NAVIGATION).

YES>>Replace A/C auto amp.

NO>>Repair or replace parts according to the inspection results.