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Home >> Infiniti >> 2004 >> QX56 RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1223 (Glass, Window System & Mirrors) >> Rear Window Defogger >> Rear Window Defogger Signal Check

Rear Window Defogger Signal Check

WARNING: This page is about a different car, the 2005 Infiniti QX56. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK AV COMMUNICATION LINE 

    AV communication line check is executed. Refer to "CAN COMMUNICATION SYSTEM DESCRIPTION ".

    1. Is rear window defogger displayed on the display? 

    OK or NG

    1. OK: GO TO 2.
    2. NG: Replace display control unit. Refer to "REMOVAL AND INSTALLATION OF DISPLAY UNIT ".
  2. CHECK CAN COMMUNICATION LINE 

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

    OK or NG

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