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Sunroof Switch System Check

WARNING: This page is about a different car, the 2006 Nissan Pathfinder. However, it is still accessible from the selected car via links, so may be relevant.
  1. SUNROOF SWITCH INPUT SIGNAL CHECK
    1. Turn ignition switch ON.
    2. Check voltage between sunroof motor assembly connector and ground.
    TERMINAL VOLTAGE CHECK CHART

    Connector Terminal Condition Voltage (Approx.)
    (+) (-)
    B83 1 Ground Sunroof switch is operated to UP/CLOSE 0
    Other than above Battery voltage
    5 Sunroof switch is operated to DOWN/OPEN 0
    Other than above Battery voltage
    Fig 1: Checking Voltage Between Sunroof Motor Assembly Connector And Ground
    G04176135Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    OK : Sunroof switch input signal circuits are OK.

    NG : GO TO 2.

  2. SUNROOF SWITCH CIRCUIT CHECK
    1. Turn ignition switch OFF.
    2. Disconnect sunroof motor assembly and sunroof switch connectors.
    3. Check continuity between sunroof motor assembly connector B83 terminals 1, 5 and sunroof switch connector R4 terminals 1, 3.

      1 - 3 : Continuity should exist. 

      5 - 1 : Continuity should exist. 

    4. Check continuity between sunroof motor assembly connector B83 terminals 1, 5 and ground.

      1 - Ground : Continuity should not exist. 

      5 - Ground : Continuity should not exist. 

      Fig 2: Checking Continuity Between Sunroof Motor Assembly Connector Terminals Sunroof Switch Connector Terminals And Ground
      G04176136Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    OK : GO TO 3.

    NG : Repair or replace harness between sunroof motor assembly and sunroof switch.

  3. SUNROOF SWITCH GROUND CIRCUIT CHECK

    Check continuity between sunroof switch connector R4 terminal 2 and ground.

    2 - Ground : Continuity should exist. 

    Fig 3: Checking Continuity Between Sunroof Switch Connector R4 Terminal 2 And Ground
    G04176137Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    OK : GO TO 4.

    NG : Repair or replace harness.

  4. SUNROOF SWITCH CHECK

    Check continuity between sunroof switch terminals 1, 3 and 2.

    CONTINUITY CHECK CHART

    Terminals Condition Continuity
    1 2 Sunroof switch is operated to DOWN/OPEN Yes
    Other than above No
    3 Sunroof switch is operated to UP/CLOSE Yes
    Other than above No
    Fig 4: Checking Continuity Between Sunroof Switch Terminals 1, 3 And 2
    G04176138Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    OK : Replace sunroof motor assembly. Refer to , "SUNROOF MOTOR "

    NG : Replace sunroof switch.