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Home >> Infiniti >> 2007 >> QX56 AWD >> Repair and Diagnosis >> Body & Frame >> Windows >> Glass, Window System & Mirrors >> Rear Window Defogger >> Rear Window Defogger Signal Check
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Rear Window Defogger Signal Check

  1. CHECK AV COMMUNICATION LINE 

    AV communication line check is executed. Refer to "CAN COMMUNICATION LINE CHECK ".

    Is rear window defogger displayed on the display? 

    OK or NG 

    OK: GO TO 2.

    NG: Replace display control unit. Refer to "DISPLAY CONTROL UNIT ".

  2. CHECK CAN COMMUNICATION LINE 

    CAN communication line check is executed. Refer to "CAN COMMUNICATION LINE CHECK ".

    OK or NG 

    OK: Check the condition of the harness and the connector.

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

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