Reclining Sensor Circuit Inspection

WARNING: This page is about a different car, the 2005 Nissan Titan. However, it is still accessible from the selected car via links, so may be relevant.

CHECK FUNCTION

With CONSULT-II

Check operation with "RECLN PULSE" on the DATA MONITOR to make sure the pulse changes.

Fig 1: Identifying Display Screen And Touch DATA MONITOR

Courtesy of NISSAN MOTOR CO., U.S.A.

RECLN PULSE DATA MONITOR

Monitor item [OPERATION or UNIT]		Contents
RECLN PULSE	-	The seat reclining position (pulse) judged from the reclining sensor is displayed

Without CONSULT-II

Turn ignition switch OFF.
Check signal between driver seat control unit connector and ground, with oscilloscope.

Fig 2: Signal Between Driver Seat Control Unit Connector & Ground Reference Table
Courtesy of NISSAN MOTOR CO., U.S.A.

Fig 3: Checking Signal Between Driver Seat Control Unit Connector And Ground
Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG

OK : Reclining sensor circuit is OK.
NG : GO TO 2.

CHECK RECLINING MOTOR SENSOR CIRCUIT HARNESS CONTINUITY
1. Disconnect driver seat control unit and reclining motor LH.
2. Check continuity between driver seat control unit connector P2 terminals 9, 31 and reclining motor LH connector P5 terminals 1, 2.
  9 (L/R) - 1 (L/R) : Continuity should exist .
  
  31 (L/Y) - 2 (L/Y) : Continuity should exist .
3. Check continuity between driver seat control unit connector P2 terminals 9, 31 and ground.
  9 (L/R) - Ground : Continuity should not exist .
  
  31 (L/Y) - Ground : Continuity should not exist. LIIA0707E
Fig 4: Checking Continuity Between Driver Seat Control Unit Connector P2 Terminals 9, 31 And Reclining Motor LH Connector P5 Terminals 1, 2 And Ground
Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG
- OK : Replace reclining motor LH. Refer to "REMOVAL AND INSTALLATION ".
- NG : Repair or replace harness.