Sunroof Switch System Check

WARNING: This page is about a different car, the 2004 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.

CHECK SUNROOF SWITCH-1
1. Turn ignition switch OFF.
2. Disconnect sunroof switch.
3. Operate sunroof switch and check continuity between terminals 1 and 3, and terminals 2 and 3 on the sunroof switch connector R6 in each of the switch positions.
  TILT UP switch operation 2 - 3: Continuity should exist.
  
  TILT DOWN switch operation 1 - 3: Continuity should exist.
OK or NG
- OK: GO TO 2.
- NG: Replace sunroof switch.
  
  Fig 1: Measuring Continuity Between Terminals 1 And 3, And Terminals 2 And 3 On Sunroof Switch Connector R6
  Courtesy of NISSAN MOTOR CO., U.S.A.
CHECK SUNROOF SWITCH-2
Operate sunroof slide switch and check resistance between terminals 3 and 4 on the sunroof switch connector R6 in each of the switch positions.

Fig 2: Sunroof Switch Terminals And Resistance Table
Courtesy of NISSAN MOTOR CO., U.S.A.

Fig 3: Measuring Resistance Between Terminals 3 And 4 On Sunroof Switch Connector R6
Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG
- OK: GO TO 3.
- NG: Replace sunroof switch.
CHECK HARNESS CONTINUITY
1. Disconnect sunroof motor assembly.
2. Check continuity between sunroof motor assembly connector R4 terminals 4, 6, 8, 10 and sunroof switch connector R6 terminal 1, 2, 3, 4.
  10 (Y/B) - 1 (Y/B): Continuity should exist.
  
  4 (R) - 2 (R): Continuity should exist.
  
  8 (B) - 3 (B): Continuity should exist.
  
  6 (G) - 4 (G): Continuity should exist.
OK or NG
- OK: Sunroof switch system is OK.
- NG: Repair or replace harness.
  
  Fig 4: Measuring Continuity Between R4 Terminals 4, 6, 8, 10 And R6 Terminal 1, 2, 3, 4
  Courtesy of NISSAN MOTOR CO., U.S.A.