Diagnosis Procedure
WARNING: This page is about a different car, the 2016 Infiniti QX60. However, it is still accessible from the selected car via links, so may be relevant.
Regarding Wiring Diagram information, refer to WIRING DIAGRAM .
- CHECK RECLINING SWITCH SIGNAL
- Turn ignition switch OFF.
- Check voltage between driver seat control unit harness connector and ground.
(+) (+)-) Condition Voltage (V)
(Approx.)Driver seat control unit Connector Terminals B0029 24 Ground Reclining switch Operate (forward) 0 Release Battery voltage 8 Operate (backward) 0 Release Battery voltage Is the inspection result normal?
YES
GO TO STEP 5 .
NO
GO TO STEP 2 .
- CHECK RECLINING SWITCH CIRCUIT
- Turn ignition switch OFF.
- Disconnect driver seat control unit and power seat switch LH.
- Check continuity between driver seat control unit harness connector and power seat switch LH harness connector.
Driver seat control unit Power seat switch LH connector Continuity Connector Terminal Connector Terminal B0029 24 B208 9 Yes 8 10 - Check continuity between driver seat control unit harness connector and ground.
Driver seat control unit Ground Continuity Connector Terminal B0029 24 No 8
Is the inspection result normal?
YES
GO TO STEP 3 .
NO
Repair or replace harness.
- CHECK DRIVER SEAT CONTROL UNIT OUTPUT
- Connect the driver seat control unit.
- Turn ignition switch ON.
- Check voltage between driver seat control unit harness connector and ground.
(+) (+)-) Voltage (V)
(Approx.)Driver seat control unit Connector Terminals B0029 8 Ground Battery voltage 24 Is the inspection result normal?
YES
GO TO STEP 4 .
NO
Replace driver seat control unit. Refer to REMOVAL AND INSTALLATION .
- CHECK RECLINING SWITCH
Refer to COMPONENT INSPECTION .
Is the inspection result normal?
YES
GO TO STEP 5 .
NO
Replace power seat switch LH. Refer to REMOVAL AND INSTALLATION .
- CHECK INTERMITTENT INCIDENT
Refer to INTERMITTENT INCIDENT .
Is the inspection result normal?
YES
Replace driver seat control unit. Refer to REMOVAL AND INSTALLATION .
NO
Repair or replace the malfunctioning part.