Reclining Switch Inspection

WARNING: This page is about a different car, the 2008 Nissan Quest. However, it is still accessible from the selected car via links, so may be relevant.

CHECK FUNCTION

With CONSULT-III

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

DATA MONITOR REFERENCE

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

Without CONSULT-III

Turn ignition switch OFF.

Check voltage between driver seat control unit connector and ground.

TERMINALS VOLTAGE CHART

Connector	Terminals		Condition	Voltage (V) (Approx.)
Connector	(+)	(-)	Condition	Voltage (V) (Approx.)
B401	12	Ground	Reclining switch ON (BACKWARD operation)	0
	12		Other than above	Battery voltage
	27		Reclining switch ON (FORWARD operation)	0
	27		Other than above	Battery voltage

Fig 1: 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 and power seat switch LH.
2. Check continuity between driver seat control unit connector B401 terminals 12, 27 and power seat switch LH connector B407 terminals 9, 10.
  12 - 9 : Continuity should exist.
  
  27 - 10 : Continuity should exist.
3. Check continuity between driver seat control unit connector B401 terminals 12, 27 and ground.
  12 - Ground : Continuity should not exist.
  
  27 - Ground : Continuity should not exist.
OK or NG

OK: GO TO 3.

NG: Repair or replace harness.

Fig 2: Checking Continuity Between Driver Seat Control Unit Connector Terminals And Ground, And Between Connector Terminals And Power Seat Switch LH Connector Terminals
Courtesy of NISSAN MOTOR CO., U.S.A.

RECLINING SWITCH INSPECTION

Check continuity between power seat switch LH terminals as follows.

TERMINALS CONTINUITY CHART

Terminal		Condition	Continuity
9	3	Reclining switch ON (BACKWARD operation)	Yes
9		Other than above	No
10		Reclining switch ON (FORWARD operation)	Yes
10		Other than above	No

Fig 3: Checking Continuity Between Power Seat Switch LH Terminal 3 And Terminals 9 & 10

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

OK or NG

OK: Check the condition of the harness and connector.

NG: Replace power seat switch LH. Refer to "FRONT SEAT ".