FixVault

Pedal Adjusting Switch Circuit Inspection

WARNING: This page is about a different car, the 2003 Nissan Murano. However, it is still accessible from the selected car via links, so may be relevant.
  1. 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.

    MONITOR ITEM

    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: Displaying "PEDAL SW-FR, PEDAL SW-RR" on DATA MONITOR
    G03359225Courtesy of NISSAN MOTOR CO., U.S.A.

    Without CONSULT-II 

    1. Turn ignition switch OFF.
    2. Check voltage between driver seat control unit connector and ground.
      TERMINALS (WIRE COLOR)

      Connector Terminals (Wire color) Condition Voltage (V) (Approx)
      (+) (-)
      B303 15 (G/R) Ground Pedal adjusting switch ON (RR operation) 0
      Pedal adjusting switch OFF Battery voltage
      30 (W/L) Pedal adjusting switch ON (FR operation) 0
      Pedal adjusting switch OFF Battery voltage
      Fig 2: Checking Voltage Between Driver Seat Control Unit Connector And Ground
      G03359226Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG

    1. OK : Pedal adjusting switch circuit is OK.
    2. NG : GO TO 2.
  2. CHECK PEDAL ADJUSTING SWITCH CIRCUIT HARNESS CONTINUITY 
    1. Disconnect driver seat control unit connector and pedal adjusting switch connector.
    2. Check continuity between driver seat control unit connector B303 terminals 15 (G/R), 30 (W/L) and pedal adjusting switch connector B306 terminals 15 (G/R), 30 (W/L).
      1. 15 (G/R) - 15 (G/R): Continuity should exist. 
      2. 30 (W/L) - 30 (W/L): Continuity should exist. 
    3. Check continuity between driver seat control unit connector B303 terminals 15 (G/R), 30 (W/L) and ground.
      1. 15 (G/R) - Ground: Continuity should not exist. 
      2. 30 (W/L) - Ground: Continuity should not exist. 

    OK or NG

    1. OK : GO TO 3.
    2. NG : Repair or replace harness between driver seat control unit and pedal adjusting switch.
    Fig 3: Checking Continuity Between Connector B303 Terminals 15, 30 And Pedal Adjusting Switch Connector B306 Terminals 15, 30, And Between Connector B303 Terminals 15, 30 And Ground
    G03359227Courtesy of NISSAN MOTOR CO., U.S.A.
  3. CHECK PEDAL ADJUSTING SWITCH 

    Check continuity between pedal adjust switch as follows.

    TERMINALS (WIRE COLOR)

    Connector Terminals (Wire color) Condition Voltage (V) (Approx)
    (+) (-)
    B306 15 48C Pedal adjusting switch ON (RR operation) Yes
    Pedal adjusting switch OFF No
    30 Pedal adjusting switch ON (FR operation) Yes
    Pedal adjusting switch OFF No

    OK or NG

    1. OK : GO TO 4.
    2. NG : Replace pedal adjusting switch.
    Fig 4: Checking Continuity Between Pedal Adjust Switch Terminals 15, 30 And 48C
    G03359228Courtesy of NISSAN MOTOR CO., U.S.A.
  4. CHECK PEDAL ADJUSTING SWITCH GROUND CIRCUIT 

    Check continuity between pedal adjusting switch connector B306 terminal 48C (B) and ground.

    1. 48C (B) - Ground: Continuity should exist. 
      Fig 5: Checking Continuity Between Connector B306 Terminal 48C And Ground
      G03359229Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG

    1. OK : Check the condition of the harness and connector.
    2. NG : Replace or replace harness between pedal adjusting switch and ground.