Pedal Adjusting Switch Circuit Inspection

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

CHECK FUNCTION

With CONSULT-II

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

DATA MONITOR REFERENCE

Monitor item [OPERATION or UNIT]		Contents
PEDAL SW-FR	"ON/OFF"	Operation (ON)/open (OFF) status judged from the pedal adjusting switch (FR) signal is displayed.
PEDAL SW-RR	"ON/OFF"	Operation (ON)/open (OFF) status judged from the pedal adjusting switch (RR) 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.

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	15	Ground	Pedal adjusting switch ON (BACKWARD operation)	0
	15		Other than above	Battery voltage
	30		Pedal adjusting switch ON (FORWARD operation)	0
	30		Other than above	Battery voltage

Fig 2: Checking Voltage Between Driver Seat Control Unit Connector Terminal 15, 30 And Ground

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

OK or NG

OK: Pedal adjusting switch circuit is OK.

NG: GO TO 2.

CHECK PEDAL ADJUSTING SWITCH CIRCUIT HARNESS CONTINUITY
1. Disconnect driver seat control unit and pedal adjusting switch.
2. Check continuity between driver seat control unit connector B401 terminals 15, 30 and pedal adjusting switch connector B22 terminals 2, 3.
  15 - 3 : Continuity should exist.
  
  30 - 2 : Continuity should exist.
3. Check continuity between driver seat control unit connector B401 terminals 15, 30 and ground.
  15 - Ground : Continuity should not exist.
  
  30 - Ground : Continuity should not exist.
OK or NG

OK: GO TO 3.

NG: Repair or replace harness.

Fig 3: Checking Continuity Between Driver Seat Control Unit Connector B401 Terminals 15, 30 And Ground, And Between Connector B401 Terminals 15, 30 And Pedal Adjusting Switch Connector B22 Terminals 2, 3
Courtesy of NISSAN MOTOR CO., U.S.A.

CHECK PEDAL ADJUSTING SWITCH

Check continuity between pedal adjusting switch terminals as follows.

TERMINALS CONTINUITY CHART

Terminals		Condition	Continuity
2	4	Pedal adjusting switch ON (BACKWARD operation)	Yes
2		Other than above	No
3		Pedal adjusting switch ON (FORWARD operation)	Yes
3		Other than above	No

OK or NG

OK: GO TO 4.

NG: Replace pedal adjusting switch.

Fig 4: Checking Continuity Between Pedal Adjusting Switch Terminal 4 And Terminals 2 & 3

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

CHECK PEDAL ADJUSTING SWITCH GROUND CIRCUIT
Check continuity between pedal adjusting switch connector B22 terminal 4 and ground.

4 - Ground : Continuity should exist.

OK or NG

OK: Check the condition of the harness and connector.

NG: Repair or replace harness.

Fig 5: Checking Continuity Between Pedal Adjusting Switch Connector B22 Terminal 4 And Ground
Courtesy of NISSAN MOTOR CO., U.S.A.