Automatic Drive Positioner (DTC/Circuit Diagnosis)
WARNING: This page is about a different car, the 2018 Nissan Titan XD and 2018 Nissan Titan. However, it is still accessible from the selected car via links, so may be relevant.
- CHECK RECLINING MOTOR LH POWER SUPPLY
CONSULT
- Turn the ignition switch to ACC.
- Perform "SEAT RECLINING" in "Active Test" mode of "AUTO DRIVE POS.".
- Check voltage between driver seat control unit harness connector B223 and ground.
(+)
(-)
Condition
Voltage
(Approx.)
Driver seat control unit
Connector
Terminal
B223
35
Ground
SEAT RECLINING
OFF
0 V
FR (forward)
Battery voltage
RR (backward)
0 V
43
OFF
0 V
FR (forward)
0 V
RR (backward)
Battery voltage
Is the inspection result normal?
YES
Replace reclining motor LH. Refer to Removal and Installation .
NO
GO TO STEP 2 .
- CHECK RECLINING MOTOR LH CIRCUIT
- Turn ignition switch OFF.
- Disconnect driver seat control unit and reclining motor LH.
- Check continuity between driver seat control unit harness connector B223 and reclining motor LH harness connector B225.
Driver seat control unit
Reclining motor LH
Continuity
Connector
Terminal
Connector
Terminal
B223
35
B225
6
Yes
43
4
- Check continuity between driver seat control unit harness connector B223 and ground.
Driver seat control unit
Ground
Continuity
Connector
Terminal
B223
35
No
43
Is the inspection result normal?
YES
GO TO STEP 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.