Procedure A

CHECK PNP SWITCH GROUND CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Disconnect PNP switch harness connector.
3. Check harness continuity between PNP switch terminal 2 and body ground.
  Refer to WIRING DIAGRAM - PNP/SW .
  
  Continuity should exist .
4. Also check harness for short to power.
OK or NG
- OK: GO TO 3.
- NG: GO TO 2.
  
  Fig 1: Disconnecting PNP Switch Harness Connector
  Courtesy of NISSAN MOTOR CO., U.S.A.
DETECT MALFUNCTIONING PART
Check the following.
- Harness connectors F58, M70
- Harness for open or short between PNP switch and ground
- : Repair open circuit or short to power in harness or connectors.
CHECK PNP SWITCH INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT-II
1. Disconnect ECM harness connector.
2. Check harness continuity between ECM terminal 102 and PNP switch terminal 1. Refer to WIRING DIAGRAM - PNP/SW .
  Continuity should exist .
3. Also check harness for short to ground and short to power.
OK or NG
- OK: GO TO 5.
- NG: GO TO 4.
DETECT MALFUNCTIONING PART
Check the following.
- Harness connectors F59, M71
- Harness for open or short between PNP switch and ECM
- : Repair open circuit or short to ground or short to power in harness or connectors.
CHECK PNP SWITCH
Refer to POSITION SWITCH

OK or NG
- OK: GO TO 6.
- NG: Replace PNP switch.
CHECK INTERMITTENT INCIDENT
Refer to TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT .
- INSPECTION END