Front Lifting Sensor Circuit Inspection
WARNING: This page is about a different car, the 2008 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.
- CHECK FUNCTION
With CONSULT-III
Check operation with "LIFT FR PULSE" on the DATA MONITOR to make sure the pulse changes.
LIFT FR PULSE MONITOR ITEM CHARTMonitor item [OPERATION or UNIT] Contents LIFT FR PULSE - The front lifting position (pulse) judged from the front lifting sensor is displayed Without CONSULT-III
- Turn ignition switch OFF.
- Check signal between driver seat control unit connector and ground, with oscilloscope.
DRIVER SEAT CONTROL UNIT CONNECTOR AND GROUNDConnector Terminals Condition Signal (+) (-) B401 25 Ground Front lifter motor operation Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG
OK: Front lifting sensor is OK.
NG: GO TO 2.
- CHECK FRONT LIFTING SENSOR HARNESS CONTINUITY 1
- Disconnect driver seat control unit and front lifting motor.
- Check continuity between driver seat control unit connector B401 (A) terminals 16, 31 and front lifting motor connector B406 (B) terminals 4, 6.
16 - 6: Continuity should exist.
31 - 4: Continuity should exist.
- Check continuity between driver seat control unit connector B401 (A) terminals 16, 31 and ground.
16 - Ground: Continuity should not exist.
31 - Ground: Continuity should not exist.
OK or NG
OK: GO TO 3.
NG: Repair or replace harness.
- CHECK FRONT LIFTING SENSOR HARNESS CONTINUITY
- Check continuity between driver seat control unit connector B401 (A) terminal 25 and front lifting motor connector B406 (B) terminal 10.
25 - 5: Continuity should exist.
- Check continuity between driver seat control unit connector B401 (A) terminal 25 and ground.
25 - Ground: Continuity should not exist.
OK or NG
OK: Replace front lifting motor. Refer to "FRONT SEAT ".
NG: Repair or replace harness.
- Check continuity between driver seat control unit connector B401 (A) terminal 25 and front lifting motor connector B406 (B) terminal 10.