Lifting Switch (Rear) Circuit Inspection

WARNING: This page is about a different car, the 2007 Nissan Pathfinder. However, it is still accessible from the selected car via links, so may be relevant.

CHECK FUNCTION

With CONSULT-II

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

MONITOR ITEM CONTENTS

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

Fig 1: Identifying CONSULT-II Display - DATA MONITOR

Without CONSULT-II

Turn ignition switch OFF.

Check voltage between driver seat control unit connector and ground.

TERMINALS VOLTAGE SPECIFICATION

Connector	Terminals		Condition	Voltage (V) (Approx.)
Connector	(+)	(-)	Condition	Voltage (V) (Approx.)
P2	14	Ground	Rear lifting switch ON (DOWN operation)	0
	14		Other than above	Battery voltage
	29		Rear lifting switch ON (UP operation)	0
	29		Other than above	Battery voltage

OK or NG

OK: Rear lifting switch circuit is OK.

NG: GO TO 2.

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

CHECK LIFTING SWITCH (REAR) CIRCUIT HARNESS CONTINUITY
1. Disconnect driver seat control unit and power seat switch LH.
2. Check continuity between driver seat control unit connector P2 terminals 14, 29 and power seat switch connector P8 terminals 2, 8.
  14 - 8 : Continuity should exist.
  
  29 - 2 : Continuity should exist.
3. Check continuity between driver seat control unit connector P2 terminals 14, 29 and ground.
  14 - Ground : Continuity should not exist.
  
  29 - Ground : Continuity should not exist.
  
  Fig 3: Checking Continuity Between Driver Seat Control Unit Connector P2 Terminals 14, 29 And Ground
OK or NG

OK: GO TO 3.

NG: Repair or replace harness.

CHECK LIFTING SWITCH (REAR)

Check continuity between power seat switch LH as follows.

TERMINALS CONTINUITY REFERENCE

Terminals		Condition	Continuity
8	3	Lifting switch (rear) ON (DOWN operation)	Yes
8		Other than above	No
2		Lifting switch (rear) ON (UP operation)	Yes
2		Other than above	No

Fig 4: Checking Continuity Between Power Seat Switch LH Terminals

OK or NG

OK: Replace driver seat control unit. Refer to "FRONT SEAT ".

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