Checking Auto Mode

WARNING: This page is about a different car, the 2005 Infiniti FX45 and 2005 Infiniti FX35. However, it is still accessible from the selected car via links, so may be relevant.

Press AUTO switch and A/C switch.
Display should indicate AUTO.
- Confirm that the compressor clutch engages (sound or visual inspection). (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 ".

Fig 1: Pressing AUTO Switch

Courtesy of NISSAN MOTOR CO., U.S.A.

If all operational checks are OK (symptom cannot be duplicated), go to malfunction 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.