Automatic Drive Positioner (DTC/Circuit Diagnosis)
WARNING: This page is about a different car, the 2020 Infiniti QX60. However, it is still accessible from the selected car via links, so may be relevant.
- CHECK LIFTING MOTOR LH (FRONT) POWER SUPPLY
- Turn the ignition switch to ACC.
- Perform "ACTIVE TEST" ("SEAT LIFTER FR") with CONSULT.
- Check voltage between driver seat control unit harness connector and ground.
(+)
(-)
Condition
Voltage (V)
(Approx.)
Driver seat control unit
Connector
Terminal
B210
34
Ground
SEAT LIFTER FR
OFF
0
UP
Battery voltage
DWN (downward)
0
42
OFF
0
UP
0
DWN (downward)
Battery voltage
Is the inspection result normal?
YES
Replace lifting motor LH (front). Refer to Removal and Installation .
NO
GO TO 2.
- CHECK LIFTING MOTOR LH (FRONT) CIRCUIT
- Turn ignition switch OFF.
- Disconnect driver seat control unit and lifting motor LH (front).
- Check continuity between driver seat control unit harness connector and lifting motor LH (front) harness connector.
Driver seat control unit
Lifting motor LH (front)
Continuity
Connector
Terminal
Connector
Terminal
B210
34
B218
6
Yes
42
4
- Check continuity between driver seat control unit harness connector and ground.
Driver seat control unit
Ground
Continuity
Connector
Terminal
B210
34
No
42
Is the inspection result normal?
YES
GO TO 3.
NO
Repair or replace harness.
- 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.