DRIVER SEAT CONTROL UNIT: Diagnosis Procedure

WARNING: This page is about a different car, the 2009 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: Do not disconnect the battery negative terminal and the driver seat control unit connector until DTC is confirmed with CONSULT-III.

CHECK POWER SUPPLY CIRCUIT

Turn ignition switch OFF.
Disconnect driver seat control unit.
Check voltage between driver seat control unit harness connector and ground.

VOLTAGE REFERENCE CHART

Terminals			Power source	Condition	Voltage (V) (Approx.)
(+)		(-)
Driver seat control unit connector	Terminal	(-)
B211	33	Ground	Battery power supply	Ignition switch OFF	Battery voltage

Fig 1: Checking Voltage Between Driver Seat Control Unit Harness Connector And Ground

Courtesy of NISSAN MOTOR CO., U.S.A.

Is the inspection result normal?

YES: GO TO 2

NO: Check the following.

Repair or replace harness.
Circuit breaker.

CHECK GROUND CIRCUIT

Check continuity between the driver seat control unit harness connector and ground.

CONTINUITY REFERENCE CHART

Driver seat control unit connector	Terminal	Ground	Continuity
B211	43	Ground	Yes

Is the inspection result normal?

YES: Driver seat control unit power supply and ground circuit are OK.

NO: Repair or replace harness.

Fig 2: Checking Continuity Between Driver Seat Control Unit Harness Connector And Ground

Courtesy of NISSAN MOTOR CO., U.S.A.