April 5, 2026: LEMON Manuals is launched! Read the announcement.

Reclining Sensor Circuit Check

CHECK FUNCTION

With CONSULT-II

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

DIAGNOSIS PROCEDURE

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

Fig 1: Data Monitor Display

G02364331

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

Without CONSULT-II

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

Fig 2: Signal Table
Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG

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

Fig 3: Checking Signal Between Terminal 29 And Ground

G02364333

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

CHECK RECLINING SENSOR HARNESS CONTINUITY
1. Disconnect driver seat control unit connector and reclining motor connector.
2. Check continuity between driver seat control unit connector B152 terminals 28C, 29 and reclining motor connector B166 terminals 28, 29.
  1. 28C (B/W) - 28 (B/W) : Continuity should exist.
  2. 29 (G/L) - 29 (G/L) : Continuity should exist.
3. Check continuity between driver seat control unit connector B152 terminals 28C, 29 and ground.
  1. 28C (B/W) - Ground : Continuity should not exist.
  2. 29 (G/L) - Ground : Continuity should not exist.
  Fig 4: Checking Continuity Between Terminals 28C, 29 And Ground
  Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG
1. OK : Replace reclining motor.
2. NG : Repair or replace harness between connectors driver seat control unit and reclining motor.