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Home >> Infiniti >> 2009 >> M35 Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 104 (Automatic Air Conditioner) >> Trouble Diagnosis >> Operational Check >> Checking Auto Mode

Checking Auto Mode

WARNING: This page is about a different car, the 2008 Infiniti M45 and 2008 Infiniti M35. However, it is still accessible from the selected car via links, so may be relevant.
  1. Press AUTO switch and A/C switch.
  2. Display should indicate AUTO.
    • Confirm that discharge air and blower speed will depend on ambient, in-vehicle, and set temperatures.

If NG, go to trouble diagnosis procedure for "POWER SUPPLY AND GROUND CIRCUIT FOR AUTO AMP. ", then if necessary, trouble diagnosis procedure for "MAGNET CLUTCH CIRCUIT ".

If all operational checks are OK (symptom cannot be duplicated), go to Incident Simulation Tests in "HOW TO PERFORM EFFICIENT DIAGNOSIS FOR AN ELECTRICAL INCIDENT " and perform tests as outlined to simulate driving conditions environment. If symptom appears, refer to "SYMPTOM TABLE " and perform applicable trouble diagnosis procedures.