Diagnosis Procedure
WARNING: This page is about a different car, the 2012 Nissan Pathfinder. However, it is still accessible from the selected car via links, so may be relevant.
Regarding Wiring Diagram information, refer to "WIRING DIAGRAM ".
- CHECK SLIDING SENSOR SIGNAL
- Turn ignition switch ON.
- Read voltage signal between driver seat control unit harness connector and ground with oscilloscope.
Terminals Condition Voltage signal (+) (-) Driver's seat control unit Terminal B202 24 Ground Seat sliding Operate Other than above 0 or 5 Fig 1: Checking Signal Between Driver Seat Control Unit Harness Connector B202 And Ground Using OscilloscopeCourtesy of NISSAN NORTH AMERICA, INC.
Is the inspection result normal?
YES: GO TO 4
NO: GO TO 2
- CHECK SLIDING SENSOR CIRCUITS
- Turn ignition switch OFF.
- Disconnect driver seat control unit and sliding motor LH.
- Check continuity between driver seat control unit harness connector and sliding motor LH harness connector.
Driver seat control unit connector Terminal Sliding motor LH connector Terminal Continuity B202 (A) 16 B204 (B) 3 Yes 24 4 31 2 - Check continuity between driver seat control unit harness connector and ground.
Driver seat control unit connector Terminal Ground Continuity B202 (A) 16 No 24 31 Fig 2: Checking Continuity Between Driver Seat Control Unit Harness Connector B202 And Sliding Motor LH Harness Connector B204Courtesy of NISSAN NORTH AMERICA, INC.
Is the inspection result normal?
YES: GO TO 3
NO: Repair or replace harness.
- CHECK SEAT OPERATION
- Connect driver seat control unit and sliding motor LH.
- Check seat operation (except sliding operation) with memory function.
Is the inspection result normal?
YES: Replace sliding motor LH. Refer to "EXPLODED VIEW ".
NO: Replace driver seat control unit. Refer to "EXPLODED VIEW ".
- CHECK INTERMITTENT INCIDENT
Refer to "INTERMITTENT INCIDENT ".
Is the inspection result normal?
YES: Replace driver seat control unit. Refer to "EXPLODED VIEW ".
NO: Repair or replace the malfunctioning part.