Diagnosis Procedure
WARNING: This page is about a different car, the 2016 Infiniti QX70. However, it is still accessible from the selected car via links, so may be relevant.
- INSPECTION BY FAIL-SAFE FUNCTION
- Turn the ignition switch ON.
- 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 STEP 3 .
NO
GO TO STEP 2.
- CHECK UNIFIED METER AND A/C AMP. POWER SUPPLY CIRCUIT AND GROUND
Check unified meter and A/C amp. power supply circuit and ground circuit. Refer to DIAGNOSIS PROCEDURE .
Is the inspection result normal?
YES
GO TO STEP 3 .
NO
Repair or replace parts according to the inspection results.
- CHECK PRESET SWITCH
Check preset switch. Refer to SYMPTOM TABLE (WITHOUT NAVIGATION), SYMPTOM TABLE (WITH NAVIGATION).
Is the inspection result normal?
YES
Replace unified meter and A/C amp.
NO
Repair or replace malfunctioning part(s).