Reclining Switch Check

WARNING: This page is about a different car, the 2004 Nissan Murano. However, it is still accessible from the selected car via links, so may be relevant.

CHECK FUNCTION

With CONSULT-II

With "RECLINING SW-FR, RECLINING SW-RR" on the DATA MONITOR, operate the reclining switch to check ON/OFF operation.

RECLINING SWITCH CHECK CHART

Monitor item [OPERATION or UNIT]		Contents
RECLN SW - FR	"ON/OFF"	ON/OFF status judged from the reclining switch (FR) signal is displayed.
RECLIN SW - RR	"ON/OFF"	ON/OFF status judged from the reclining switch (RR) signal is displayed.

Fig 1: Scan Tool Display Data Monitor

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

Without CONSULT-II

Turn ignition switch OFF.

Check voltage between driver seat control unit connector and ground.

VOLTAGE CHECK CHART

Connector	Terminals (Wire color)		Condition	Voltage (V) (Approx)
Connector	(+)	(-)	Condition	Voltage (V) (Approx)
B303	12 (G/Y)	Ground	Reclining switch ON (RR operation)	0
	12 (G/Y)		Reclining switch OFF	Battery voltage
	27 (L/W)		Reclining switch ON (FR operation)	0
	27 (L/W)		Reclining switch OFF	Battery voltage

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

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

OK or NG

OK: Reclining switch circuit is OK.
NG: GO TO 2.

CHECK RECLINING SWITCH CIRCUIT HARNESS CONTINUITY
1. Disconnect driver seat control unit connector and power seat switch connector.
2. Check continuity between driver seat control unit connector B303 terminals 12 (G/Y), 27 (L/W) and power seat switch connector B305 terminals 12 (G/Y), 27 (L/W).
  12 (G/Y) -12 (G/Y): Continuity should exist.
  
  27 (L/W) - 27 (L/W): Continuity should exist.
3. Check continuity between driver seat control unit connector B303 terminals 12 (G/Y), 27 (L/W) and ground.
  12 (G/Y) - Ground: Continuity should not exist.
  
  27 (L/W) - Ground: Continuity should not exist.
  
  Fig 3: Checking Continuity Between Driver Seat Control Unit Connector And Power Seat Switch Connector, And Ground
  Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG
1. OK: GO TO 3.
2. NG: Repair or replace harness between driver seat control unit and power seat switch.

RECLINING SWITCH CHECK

Check continuity between driver seat switch as follows.

CONTINUITY CHECK CHART

Terminal		Condition	Continuity
12	32A	Reclining switch ON (RR operation)	Yes
12		Reclining switch OFF	No
27		Reclining switch ON (FR operation)	Yes
27		Reclining switch OFF	No

OK or NG

OK: Check the condition of the harness and connector.
NG: Replace power seat switch.

Fig 4: Checking Continuity Between Driver Seat Switch
Courtesy of NISSAN MOTOR CO., U.S.A.