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Home >> Infiniti >> 2003 >> FX45 >> Repair and Diagnosis >> Transmission >> Transfer Case >> Trouble Diagnosis >> Trouble Diagnosis for Symptoms >> AWD Warning Lamp Does Not Illuminate With Ignition Switch On.

AWD Warning Lamp Does Not Illuminate With Ignition Switch On.

  1. CHECK CAN COMMUNICATION LINE 

    WITH CONSULT-II 

    Perform the self-diagnosis. Is a malfunction in the CAN communication indicated in the results?

    NOTE: If self-diagnosis is not carried out, check power supply and ground. Refer to "CONTROL UNIT POWER SUPPLY AND GROUND ".

    YES or NO

    1. YES: Check the CAN communication line. Refer to "CAN COMMUNICATION SYSTEM ".
    2. NO: GO TO 2.
  2. CHECK AWD WARNING LAMP CIRCUIT 
    1. Turn ignition switch "OFF".
    2. Check the combination meter.

      Refer to COMBINATION METERS .

    OK or NG

    1. OK: GO TO  4.
    2. NG: GO TO 3.
  3. DETECT MALFUNCTIONING ITEM 

    Check the following:

    OK or NG

    1. OK: Replace the combination meter. Refer to REMOVAL & INSTALLATION .
    2. NG: Repair or replace damaged parts.
  4. SYMPTOM CHECK 

    Check again.

    OK or NG

    1. OK: INSPECTION END 
    2. NG: GO TO 5.
  5. CHECK AWD CONTROL UNIT 
    1. Check AWD control unit input/output signal.
    2. If NG, recheck AWD control unit pin terminals for damage or loose connection with harness connector.

    OK or NG

    1. OK: INSPECTION END 
    2. NG: Repair or replace damaged parts.