Reclining Sensor Circuit Check

CHECK FUNCTION

With CONSULT-II

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

MONITOR ITEM CONTENTS

Monitor item [OPERATION or UNIT]		Contents
RECLN PULSE	-	The seat reclining position (pulse) judged from the reclining sensor 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	9	Ground	Reclining 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: Reclining sensor circuit is OK.

NG: GO TO 2.

CHECK RECLINING MOTOR SENSOR CIRCUIT HARNESS CONTINUITY

Check continuity between driver seat control unit connector and reclining sensor connector.

DRIVER SEAT CONTROL UNIT CONNECTOR AND RECLINING SENSOR CONNECTOR CONTINUITY

A		B		Continuity
Driver seat control unit connector	Terminal	Reclining sensor connector	Terminal	Continuity
B204	9	B222	9	Yes
B204	31	B222	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	9		No
	31

Fig 3: Identifying Continuity Between Driver Seat Control Unit Connector And Reclining 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	9	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 reclining sensor.

NG: Replace automatic drive positioner control unit.