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.
Regarding Wiring Diagram information, refer to "WIRING DIAGRAM ".
- CHECK SUNROOF SWITCH INPUT SIGNAL
- Turn ignition switch ON.
- Check voltage between sunroof switch connector and ground.
Connector Terminals Sunroof switch position Voltage (V) (Approx.) (+) (-) R4 1 2 DOWN/OPEN 0V Other than above Battery voltage 3 UP/CLOSE 0V Other than above Battery voltage Are the voltage measurements as specified?
YES: Sunroof switch is operating normally.
NO: GO TO 2
- CHECK SUNROOF SWITCH CIRCUITSFig 1: Checking Continuity Between Sunroof Motor Assembly Connector B83 And Sunroof Switch Connector R4
Courtesy of NISSAN NORTH AMERICA, INC.
- Turn ignition switch OFF.
- Disconnect sunroof motor assembly connector B83 and sunroof switch connector R4.
- Check continuity between sunroof motor assembly connector B83 (A) and sunroof switch connector R4 (B).
A B Continuity Connector Terminal Connector Terminal B83 1 R4 3 Yes 5 1 - Check continuity between sunroof motor assembly connector B83 (A) and ground.
A - Continuity Connector Terminal B83 5 Ground No 1 Are the continuity test results as specified?
YES: GO TO 3
NO: Repair harness or connector.
- CHECK SUNROOF SWITCH GROUND CIRCUIT
- CHECK SUNROOF SWITCH
- Check continuity between sunroof switch terminals.
Terminals Sunroof switch position Continuity 1 2 DOWN/OPEN Yes Other than above No 3 UP/CLOSE Yes Other than above No Are the continuity test results as specified?
YES: Sunroof switch is operating normally.
NO: Replace sunroof switch (map lamp assembly). Refer to "REMOVAL AND INSTALLATION ".
- Check continuity between sunroof switch terminals.