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Rear Lifting Sensor Circuit Inspection

CHECK REAR END LIFTING SENSOR INPUT/OUTPUT SIGNAL

With CONSULT-II

Check operation with "LIFT RP PUL SE" on the DATA MONITOR to make sure pulse changes.

MONITOR TEST ITEM DESCRIPTION

Monitor item [OPERATION or UNIT]
LIFT RR PUL SE	The rear lifting position (pulse) judged from the rear lifting sensor is displayed.

Fig 1: CONSULT-II Display - LIFT RP PULSE On DATA MONITOR

G03107613

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

Without CONSULT-II

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

Fig 2: Checking Signal Between Driver Seat Control Unit Connector Ground (1 Of 2)
Courtesy of NISSAN MOTOR CO., U.S.A.

Fig 3: Checking Signal Between Driver Seat Control Unit Connector Ground (2 Of 2)
Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG

OK: Rear lifting sensor circuit is OK.
NG: GO TO 2.

CHECK REAR LIFTING SENSOR HARNESS CONTINUITY
1. Disconnect driver seat control unit connector and rear lifting motor connector.
2. Check continuity between driver seat control unit connector B152 terminals 28C (B/W), 30 (G/W) and rear lifting motor connector B162 terminals 28B (B/W), 30 (G/W).
  
  Fig 4: Checking Rear Lifting Sensor Harness Continuity
  Courtesy of NISSAN MOTOR CO., U.S.A.
  
  28C (B/W) - 28B (B/W): Continuity should exist.
  
  30 (G/W) - 30 (G/W): Continuity should exist.
3. Check continuity between driver seat control unit connector B152 terminals 28C (B/W), 30 (G/W) and ground.
  28C (B/W) - Ground: Continuity should not exist.
  
  30 (G/W) - Ground: Continuity should not exist.
OK or NG
1. OK: Replace rear lifting motor.
2. NG: Repair or replace harness between driver seat control unit and rear lifting motor.