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Sunroof Switch System Inspection

  1. SUNROOF SWITCH INPUT SIGNAL CHECK
    1. Turn ignition switch ON.
    2. Check voltage between sunroof motor assembly connector and ground.
      Connector Terminal Condition Voltage (Approx.)
      (+) (-)
      R26 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 Sunroof Switch Input Signal
      G04896055Courtesy of NISSAN NORTH AMERICA, INC.

      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.
    3. Check continuity between sunroof motor assembly connector R26 terminals 1, 5 and sunroof switch connector R27 terminals 1, 3.

      1 - 3: Continuity should exist  .

      5 - 1: Continuity should exist  .

    4. Check continuity between sunroof motor assembly connector R26 terminals 1, 5 and ground.

      1 - Ground: Continuity should not exist  .

      5 - Ground: Continuity should not exist  .

      Fig 2: Checking Sunroof Switch Circuit
      G04896056Courtesy of NISSAN NORTH AMERICA, INC.

      OK or NG 

      OK: GO TO 3.

      NG: Repair or replace harness.

  3. SUNROOF SWITCH GROUND CIRCUIT CHECK

    Check continuity between sunroof switch connector R27 terminal 2 and ground.

    2 - Ground: Continuity should exist  .

    Fig 3: Checking Sunroof Switch Ground Circuit
    G04896057Courtesy of NISSAN NORTH AMERICA, INC.

    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.

    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 Sunroof Switch
    G04896058Courtesy of NISSAN NORTH AMERICA, INC.

    OK or NG 

    OK: Replace sunroof motor assembly. Refer to , "REMOVAL AND INSTALLATION ".

    NG: Replace sunroof switch.