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Home >> Infiniti >> 2009 >> M35 Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 90 (Glass, Window System & Mirrors) >> Rear Window Defogger >> Check Rear Window Defogger Signal

Check Rear Window Defogger Signal

WARNING: This page is about a different car, the 2008 Infiniti FX45 and 2008 Infiniti FX35. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK REAR WINDOW DEFOGGER SWITCH LAMP 

    A/C and AV switch self-diagnosis is performed. Refer to "A/C AND AV SWITCH SELF-DIAGNOSIS FUNCTION "

    Does rear window defogger switch light? 

    Yes: GO TO  2.

    No: Replace A/C and AV switch.

  2. CHECK AV COMMUNICATION LINE 

    AV communication line check is performed. Refer to "UNABLE TO OPERATE SYSTEM WITH A/C AND AV SWITCH "

    Is rear window defogger displayed on the display? 

    Yes: GO TO  3.

    No: Replace display control unit.

  3. CHECK CAN COMMUNICATION LINE 

    CAN communication line check is performed. Refer to "CAN COMMUNICATION CHECK ".

    OK or NG 

    OK: Check condition of harness and connector.

    NG: In addition, it is necessary to check CAN communication line. Refer to "CAN COMMUNICATION CHECK ".

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