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Home >> Infiniti >> 2015 >> QX60 Base, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 105 (Defogger (Except Hybrid)) >> Symptom Diagnosis >> Both Doors Mirror Defogger Don't Operate But Rear Window Defogger Operates >> Diagnosis Procedure

Diagnosis Procedure

WARNING: This page is about a different car, the 2016 Infiniti QX60. However, it is still accessible from the selected car via links, so may be relevant.

Regarding Wiring Diagram information, refer to WIRING DIAGRAM .

  1. CHECK DOOR MIRROR DEFOGGER FUSE

    Check if the following fuse in fuse block (J/B) is blown.

    COMPONENT PARTS AMPERE FUSE NO.
    Fuse block (J/B) 10A 22

    Is the inspection result normal?

    YES 

    GO TO 2.

    NO 

    Replace the blown fuse after repairing the affected circuit.

  2. CHECK DOOR MIRROR DEFOGGER CIRCUIT

    1. Turn ignition switch OFF.
    2. Disconnect the following harness connectors.
      • Fuse block (J/B) connector M4
      • Door mirror LH D4 (without around view monitor), D6 (with around view monitor)
      • Door mirror RH D107 (without around view monitor), D116 (with around view monitor)
    3. Check continuity between fuse block (J/B) harness connector and door mirror defogger harness connectors.
      Fuse block (J/B)
      Connector
      Terminal Door mirror
      Connectors
      Terminal Continuity
      M4 5P D4 (LH without around view monitor) 1 Yes
      D107 (RH without around view monitor)
      D6 (LH with around view monitor) 7
      D116 (RH with around view monitor)
    4. Check continuity between fuse block (J/B) harness connector M4 terminal 5P and ground.
      Fuse block (J/B)
      connector
      Terminal Ground Continuity
      M4 5P No

    Is the inspection result normal?

    YES 

    GO TO STEP 3. 

    NO 

    Repair or replace harness.

  3. CHECK DOOR MIRROR DEFOGGER

    Check door mirror LH.

    Refer to COMPONENT FUNCTION CHECK  (without around view monitor) or COMPONENT FUNCTION CHECK  (with around view monitor).

    Check door mirror RH.

    Refer to COMPONENT FUNCTION CHECK  (without around view monitor) or COMPONENT FUNCTION CHECK  (with around view monitor).

    Is the inspection result normal?

    YES 

    Check intermittent incident. Refer to INTERMITTENT INCIDENT .

    NO 

    Repair or replace the malfunctioning parts.