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Home >> Infiniti >> 2003 >> FX45 >> Repair and Diagnosis >> Body & Frame >> Windows >> Rear Window Defogger >> Rear Window Defogger Signal Check
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Rear Window Defogger Signal Check

  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?

    1. YES: GO TO 2.
    2. NO: Replace A/C and AV switch.
  2. CHECK AV COMMUNICATION LINE 

    AV communication line check is performed. Refer to A/C AND AV SWITCH DOES NOT OPERATE . Is rear window defogger displayed on the display?

    1. YES: GO TO 3.
    2. NO: Replace display control unit.
  3. CHECK CAN COMMUNICATION LINE 

    CAN communication line check is performed. Refer to CAN COMMUNICATION LINE INSPECTION .

    OK or NG

    1. OK: Check condition of harness and connector.
    2. NG: In addition, it is necessary to check CAN communication line. Refer to CAN COMMUNICATION LINE INSPECTION .
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