FixVault

Sunroof Switch System Check

WARNING: This page is about a different car, the 2006 Nissan Quest. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK SUNROOF SWITCH-1 
    1. Turn ignition switch OFF.
    2. Disconnect sunroof switch connector.
    3. Operate sunroof switch, and check continuity between terminals 5, 6 and terminal 4 in each of the switch positions.

      TILT UP switch operation 

      4 - 5: Continuity should exist. 

      TILT DOWN switch operation 

      4 - 6: Continuity should exist. 

      Fig 1: Identifying Sunroof Switch Terminals 5, 6 And 4 Location
      G04199824Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    OK: GO TO 2.

    NG: Replace sunroof switch.

  2. CHECK SUNROOF SWITCH-2 

    Operate sunroof slide switch, and check resistance between terminals 3 and 4 in each of the switch positions.

    RESISTANCE CHECK CHART

    Connector Terminals Switch Position Resistance (kohm)
    Sunroof Switch 3 4 1(Fully closed) 0.12
    2 0.22
    3 0.39
    4 0.68
    5 1.30
    6(Fully open) 3.60

    OK or NG 

    OK: GO TO 3.

    NG: Replace sunroof switch.

    Fig 2: Checking Resistance Between Sunroof Switch Terminals 3 And 4
    G04199825Courtesy of NISSAN MOTOR CO., U.S.A.
  3. CHECK HARNESS CONTINUITY 
    1. Disconnect sunroof motor connector.
    2. Check continuity between sunroof motor connector R4 terminals 4, 6, 8, 10 and sunroof switch connector R6 terminals 3, 4, 5, 6.

      4 - 5: Continuity should exist. 

      6 - 3: Continuity should exist. 

      8 - 4: Continuity should exist. 

      10 - 6: Continuity should exist. 

      Fig 3: Checking Continuity Between Sunroof Motor Connector Terminals And Sunroof Switch Connector Terminals
      G04199826Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    OK: Sunroof switch system is OK.

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