LEMON Manuals: Even more car manuals for everyone
Home >> Infiniti >> 2013 >> FX37 Base, RWD >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Heater & Air Conditioning Control System (Automatic Air Conditioning) >> Symptom Diagnosis >> Self-Diagnosis Cannot Be Performed >> Inspection procedure

Inspection procedure

  1. CHECK SELF-DIAGNOSIS FUNCTION 
    1. Turn ignition switch ON.
    2. Set in self-diagnosis mode as per the following. Within 10 seconds after starting engine (ignition switch is turned ON.), press OFF switch for at least 5 seconds.
      NOTE:
      • If battery voltage drops below 12 V during diagnosis STEP-3, door motor speed becomes slower and as a result, the system may generate an error even when operation is normal. Start engine before performing this diagnosis to avoid this.
      • Former STEP-1 (indicators and display screen are checked) does not exist in this self-diagnosis function.
      • OFF switch may not be recognized according to the timing of pressing it. Operate OFF switch after the intake switch indicators are turned ON.

      Does self-diagnosis function operate? 

      YES: INSPECTION END

      NO: GO TO 2.

  2. CHECK POWER SUPPLY AND GROUND CIRCUIT OF UNIFIED METER AND A/C AMP. 

    Check power supply and ground circuit of unified meter and A/C amp. Refer to "UNIFIED METER AND A/C AMP.: DIAGNOSIS PROCEDURE ".

    Is the inspection result normal? 

    YES: Replace unified meter and A/C amp.

    NO: Repair or replace malfunctioning part(s).

scientia non olet · About LEMON Manuals