Sunroof Switch System Check
WARNING: This page is about a different car, the 2005 Infiniti G35. However, it is still accessible from the selected car via links, so may be relevant.
- CHECK POWER SUPPLY CIRCUIT
- Turn ignition switch OFF.
- Check voltage between sunroof switch connector R53 terminal 2 and ground.
(Y/G) - Ground: Battery voltage
OK or NG
- OK: GO TO 2.
- NG:
- Check 10A fuse [No. 19 located in fuse block (J/B)].
- Check harness for open or short between sunroof switch and fuse.
- CHECK SUNROOF SWITCH
- Disconnect sunroof switch connector.
- Operate sunroof switch, and check continuity between terminals 1 and 3, and terminal 2 on the sunroof switch connector R53 in each of the switch positions.
TILT UP switch operation
2-3: Continuity should exist.
CLOSE switch operation
2-3: Continuity should exist.
TILT DOWN switch operation
1-2: Continuity should exist.
OPEN switch operation
1-2: Continuity should exist.
OK or NG
- OK: GO TO 3.
- NG: Replace sunroof switch.
- CHECK HARNESS CONTINUITY
- Disconnect sunroof motor assembly connector.
- Check continuity between sunroof motor assembly connector R6 terminals 1, 2 and sunroof switch connector R53 terminals 1, 3.
(L/R) - 3 (L/R): Continuity should exist.
(L/B) - 1 (L/B): Continuity should exist.
- Check continuity between sunroof motor assembly connector R6 terminals 1, 2 and ground.
1 (L/R) - Ground: Continuity should not exist.
2 (L/B) - Ground: Continuity should not exist.
OK or NG
- OK: Sunroof switch system is OK.
- NG: Repair or replace harness between sunroof motor assembly and sunroof switch.