Check Rear Lifting Sensor Circuit

CHECK FUNCTION

With CONSULT-III

Check operation with "LIFT RR PULSE" on the DATA MONITOR to make sure pulse changes.

MONITOR ITEM REFERENCE

Monitor item [OPERATION or UNIT]
LIFT RR PULSE	-	The rear lifting position (pulse) judged from the lifting sensor (rear) is displayed.

Without CONSULT-III

Check signal between driver seat control unit connector and ground, with oscilloscope.

TERMINAL CONDUCTION CHART

Driver seat control unit connector	Terminals		Condition	Signal (Reference value)
Driver seat control unit connector	(+)	(-)	Condition	Signal (Reference value)
B204	10	Ground	Rear lifting motor operation	Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG

OK: Rear lifting sensor circuit is OK.

NG: GO TO 2.

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

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

CHECK REAR LIFTING MOTOR SENSOR CIRCUIT HARNESS CONTINUITY

Check continuity between driver seat control unit connector and rear lifting sensor connector.

CONTINUITY CHART

A		B		Continuity
Driver seat control unit connector	Terminal	Rear lifting sensor connector	Terminal	Continuity
B204	10	B218	10	Yes
B204	31	B218	31	Yes

Fig 2: Checking Continuity Between Driver Seat Control Unit Connector And Rear Lifting Sensor Connector And Ground

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

Check continuity between driver seat control unit connector and ground.

CONTINUITY CHART

A		Ground	Continuity
Driver seat control unit connector	Terminal
B204	10		No
	31

OK or NG

OK: GO TO 3.

NG: Repair or replace harness.

CHECK DRIVER SEAT CONTROL UNIT OUTPUT

Check voltage between driver seat control unit connector and ground.

VOLTAGE SPECIFICATION

Terminals			Voltage (V) (Approx.)
(+)		(-)
Driver seat control unit connector	Terminal	(-)
B204	10	Ground	5

OK or NG

OK: Replace rear lifting sensor.

NG: Replace automatic drive positioner control unit.

Fig 3: Checking Voltage Between Driver Seat Control Unit Connector And Ground

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