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Home >> Nissan-Datsun >> 2003 >> Sentra Limited >> Repair and Diagnosis >> External Pages >> Different car >> Section 2249 (Defogger) >> Symptom Diagnosis >> Rear Window Defogger And Door Mirror Defogger Do Not Operate >> Diagnosis Procedure

Diagnosis Procedure

WARNING: This page is about a different car, the 2012 Nissan Pathfinder. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK REAR WINDOW DEFOGGER SWITCH

    Check rear window defogger switch.

    Refer to "COMPONENT FUNCTION CHECK ".

    Is the inspection result normal? 

    YES: GO TO 2

    NO: Repair or replace the malfunctioning parts.

  2. CHECK REAR WINDOW DEFOGGER RELAY

    Check rear window defogger relay.

    Refer to "COMPONENT FUNCTION CHECK ".

    Is the inspection result normal? 

    YES: GO TO 3

    NO: Repair or replace the malfunctioning parts.

  3. CHECK REAR WINDOW DEFOGGER POWER SUPPLY AND GROUND CIRCUIT

    Check rear window defogger power supply and ground circuit.

    Refer to "COMPONENT FUNCTION CHECK ".

    Is the inspection result normal? 

    YES: GO TO 4

    NO: Repair or replace the malfunctioning parts.

  4. CHECK DOOR MIRROR DEFOGGER

    Check door mirror defogger.

    Refer to "DIAGNOSIS PROCEDURE ".

    Is the inspection result normal? 

    YES: Check intermittent incident. Refer to "INTERMITTENT INCIDENT ".

    NO: Repair or replace the malfunctioning parts.