LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Nissan-Datsun >> 2004 >> Sentra SE-R >> Repair and Diagnosis >> External Pages >> Different car >> Section 1409 (Glass, Window System & Mirrors) >> Rear Window Defogger >> Rear Window Defogger Signal Check
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Rear Window Defogger Signal Check

WARNING: This page is about a different car, the 2005 Infiniti FX45 and 2005 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? 

    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 "AV COMMUNICATION LINE INSPECTION "

    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 "