Check Front Lifting Switch Circuit

WARNING: This page is about a different car, the 2006 Infiniti G35. However, it is still accessible from the selected car via links, so may be relevant.

CHECK FUNCTION

With CONSULT-II

With "LIFT FR SW-UP, LIFT FR SW-DN" on the DATA MONITOR, operate the front lifting switch to check ON/OFF operation.

DATA MONITOR ITEM REFERENCE TABLE

Monitor item [OPERATION or UNIT]		Contents
LIFT FR SW - DN	"ON/OFF"	ON/OFF status judged from the FR lifter switch (DOWN) signal is displayed.
LIFT RR SW - UP	"ON/OFF"	ON/OFF status judged from the RR lifter switch (UP) signal is displayed.

Fig 1: CONSULT-II Display Data Monitor

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

Without CONSULT-II

Turn ignition switch OFF.

Front lifting switch operate, check voltage between driver seat control unit connector and ground.

VOLTAGE CHECK TABLE

Connector	Terminals (Wire color)		Front lifting switch condition	Voltage (V) (Approx.)
Connector	(+)	(-)	Front lifting switch condition	Voltage (V) (Approx.)
B352	28 (W/B)	Ground	UP	0
	28 (W/B)		Other than above	Battery voltage
	13 (LG/R)		DOWN	0
	13 (LG/R)		Other than above	Battery voltage

OK or NG

OK: Front lifting switch circuit is OK.

NG: GO TO 2.

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

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

CHECK HARNESS CONTINUITY
1. Disconnect driver seat control unit connector and power seat switch connector.
2. Check continuity between driver seat control unit connector B352 terminals 13, 28 and power seat switch connector B356 terminals 13, 28.
  13 (LG/R) - 13 (LG/R): Continuity should exist .
  
  28 (W/B) - 28 (W/B): Continuity should exist .
3. Check continuity between driver seat control unit connector B352 terminals 13, 28 and ground
  13 (LG/R) - Ground: Continuity should not exist .
  
  28 (W/B) - Ground: Continuity should not exist .
  
  Fig 3: Checking Continuity Between Driver Seat Control Unit And Power Seat Switch Terminals
  Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG

OK: GO TO 3.

NG: Repair or replace harness between driver seat control unit and power seat switch.

CHECK FRONT END LIFTING SWITCH

Check continuity between power seat switch as follows.

CONTINUITY CHECK TABLE

Terminals		Front lifting switch condition	Continuity
28	32	UP	Yes
28		Other than above	No
13		DOWN	Yes
13		Other than above	No

Fig 4: Checking Continuity Between Power Seat Switch 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.