CRUISE CONTROL SYSTEM Clutch Switch Circuit

DESCRIPTION

While depressing the clutch pedal, the clutch switch sends a signal to terminal D of the ECM. The ECM cancels cruise control when terminal D receives the signal.

WIRING DIAGRAM

B001FXLE11
B001FXLE10
B001FXLE12

CAUTION / NOTICE / HINT

Note


  • Inspect the fuses for circuits related to this system before performing the following inspection procedure.

  • Before replacing the ECM refer to Service Bulletin.

PROCEDURE


  1. INSPECT CLUTCH SWITCH ASSEMBLY


    1. Remove the clutch switch assembly.

      Click here

    2. Inspect the clutch switch assembly.

      Click here

      Result
      Proceed to
      OK
      NG

    NG

    REPLACE CLUTCH SWITCH ASSEMBLY Click here

    OK

  2. CHECK HARNESS AND CONNECTOR (CLUTCH SWITCH ASSEMBLY - BATTERY)


    1. B001HHRC20
      *A for LHD
      *B for RHD
      *a

      Front view of wire harness connector

      (to Clutch Switch Assembly)

      Disconnect the A43*1 or r3*2 clutch switch connector.


      • *1: for LHD

      • *2: for RHD

    2. Measure the voltage according to the value(s) in the table below.

      Standard Voltage (for LHD)
      Tester Connection Switch Condition Specified Condition
      A43-1 - Body ground Ignition Switch ON 11 to 14 V
      A43-1 - Body ground Ignition Switch off Below 1 V
      Standard Voltage (for RHD)
      Tester Connection Switch Condition Specified Condition
      r3-1 - Body ground Ignition Switch ON 11 to 14 V
      r3-1 - Body ground Ignition Switch off Below 1 V
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  3. CHECK HARNESS AND CONNECTOR (CLUTCH SWITCH ASSEMBLY - ECM)


    1. for 1GR-FE


      1. Disconnect the A43 clutch switch connector.

      2. Disconnect the C34 ECM connector.

      3. Measure the resistance according to the value(s) in the table below.

        Standard Resistance
        Tester Connection Condition Specified Condition
        A43-2 - C34-27 (D) Always Below 1 Ω
        A43-2 or C34-27 (D) - Body ground Always 10 kΩ or higher

    2. for 1KD-FTV


      1. Disconnect the A43*1 or r3*2 clutch switch connector.


        • *1: for LHD

        • *2: for RHD

      2. Disconnect the C91 ECM connector.

      3. Measure the resistance according to the value(s) in the table below.

        Standard Resistance (for LHD)
        Tester Connection Condition Specified Condition
        A43-2 - C91-15 (D) Always Below 1 Ω
        A43-2 or C91-15 (D) - Body ground Always 10 kΩ or higher
        Standard Resistance (for RHD)
        Tester Connection Condition Specified Condition
        r3-2 - C91-15 (D) Always Below 1 Ω
        r3-2 or C91-15 (D) - Body ground Always 10 kΩ or higher

    3. for 1GD-FTV


      1. Disconnect the A43*1 or r3*2 clutch switch connector.


        • *1: for LHD

        • *2: for RHD

      2. Disconnect the C149 ECM connector.

      3. Measure the resistance according to the value(s) in the table below.

        Standard Resistance (for LHD)
        Tester Connection Condition Specified Condition
        A43-2 - C149-14 (D) Always Below 1 Ω
        A43-2 or C149-14 (D) - Body ground Always 10 kΩ or higher
        Standard Resistance (for RHD)
        Tester Connection Condition Specified Condition
        r3-2 - C149-14 (D) Always Below 1 Ω
        r3-2 or C149-14 (D) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE ECM for 1GR-FE: Click here
    REPLACE ECM for 1KD-FTV: Click here
    REPLACE ECM for 1GD-FTV: Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR