Sliding Switch LH Circuit Inspection

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

CHECK FUNCTION

With CONSULT-III

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

SLIDE SW MONITOR ITEM CHART

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

Without CONSULT-III

Turn ignition switch OFF.

Check voltage between driver seat control unit connector and ground.

DRIVER SEAT CONTROL UNIT CONNECTOR AND GROUND

Connector	Terminal		Condition	Voltage (V) (Approx.)
Connector	(+)	(-)	Condition	Voltage (V) (Approx.)
B401	11	Ground	Sliding switch LH ON (BACKWARD operation)	0
	11		Other than above	Battery voltage
	26		Sliding switch LH ON (FORWARD operation)	0
	26		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: Sliding switch LH circuit is OK.

NG: GO TO 2.

CHECK POWER SEAT SWITCH LH HARNESS CONTINUITY
1. Disconnect driver seat control unit and power seat switch LH.
2. Check continuity between driver seat control unit connector B401 (A) terminals 11, 26 and power seat switch LH connector B408 terminals 1, 5.
  11 - 1: Continuity should exist.
  
  26 - 5: Continuity should exist.
3. Check continuity between driver seat control unit connector B401 (A) terminals 11, 26 and ground.
  11 - Ground: Continuity should not exist.
  
  26 - Ground: Continuity should not exist.
Fig 2: Checking Continuity Between Driver Seat Control Unit Terminals And Power Seat Switch LH Terminals
Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG

OK: GO TO 3.

NG: Repair or replace harness.

CHECK SLIDING SWITCH LH

Check continuity between power seat switch LH terminals as follows.

SLIDING SWITCH LH

Terminal		Condition	Continuity
1	9	Sliding switch LH ON (FORWARD operation)	Yes
1		Other than above	No
2		Sliding switch LH ON (BACKWARD operation)	Yes
2		Other than above	No

Fig 3: Checking Continuity Between Power Seat Switch LH Terminals

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 ".