Rear Lifting Sensor Circuit Check

CHECK FUNCTION

With CONSULT-II

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

MONITOR ITEM CONTENTS

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

Fig 1: CONSULT II Display - Data Monitor

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

Without CONSULT-II

Turn ignition switch OFF.
Check signal between driver seat control unit connector and ground, with oscilloscope.

DRIVER SEAT CONTROL UNIT CONNECTOR AND GROUND SIGNAL

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

Fig 2: Identifying Signal Between Driver Seat Control Unit Connector And Ground, With Oscilloscope

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

OK or NG

OK: Rear lifting sensor circuit is OK.

NG: GO TO 2.

CHECK REAR LIFTING MOTOR SENSOR CIRCUIT HARNESS CONTINUITY

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

DRIVER SEAT CONTROL UNIT CONNECTOR AND REAR LIFTING SENSOR CONNECTOR CONTINUITY

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

Check continuity between driver seat control unit connector and ground.

DRIVER SEAT CONTROL UNIT CONNECTOR AND GROUND CONTINUITY

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

Fig 3: Identifying Continuity Between Driver Seat Control Unit Connector And Rear Lifting Sensor Connector

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

OK or NG

OK: GO TO 3.

NG: Repair or replace harness.

CHECK DRIVER SEAT CONTROL UNIT OUTPUT

DRIVER SEAT CONTROL UNIT CONNECTOR AND GROUND VOLTAGE

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

Fig 4: Identifying Voltage Between Driver Seat Control Unit Connector And Ground

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

OK or NG

OK: Replace rear lifting sensor.

NG: Replace automatic drive positioner control unit.