CRUISE CONTROL SYSTEM(except 1ND-TV, 8NR-FTS) Clutch Switch Circuit

DESCRIPTION

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

WIRING DIAGRAM

A01M0JZE29
A01M0JZE30
A01M0JZE23

CAUTION / NOTICE / HINT

Note

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

PROCEDURE


  1. INSPECT CLUTCH START SWITCH ASSEMBLY


    1. Inspect the No. 2 clutch pedal switch assembly.

      Click here

      Result
      Proceed to
      OK
      NG

    NG

    REPLACE CLUTCH START SWITCH ASSEMBLY Click here

    OK

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


    1. Disconnect the clutch start switch assembly connector.

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

      Standard Voltage
      Tester Connection Condition Specified Condition
      A4-1 (CL+) - Body ground Ignition switch ON 11 to 14 V
      A4-1 (CL+) - Body ground Ignition switch off Below 1 V

    3. Reconnect the clutch start switch assembly connector.

      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR (CLUTCH START SWITCH ASSEMBLY - BATTERY)

    OK

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


    1. Disconnect the clutch start switch assembly connector.

    2. Disconnect the ECM connector.

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

      Standard Resistance (Check for Open)
      for 1NR-FE, 1ZR-FE, 2ZR-FE
      Tester Connection Condition Specified Condition
      B31-81 (D) - A4-2 (CL-) Always Below 1 Ω
      for 1ZR-FAE
      Tester Connection Condition Specified Condition
      B186-65 (D) - A4-2 (CL-) Always Below 1 Ω
      for 1WW
      Tester Connection Condition Specified Condition
      A50-7 (D) - A4-2 (CL-) Always Below 1 Ω
      Standard Resistance (Check for Short)
      for 1NR-FE, 1ZR-FE, 2ZR-FE
      Tester Connection Condition Specified Condition
      B31-81 (D) or A4-2 (CL-) - Body ground Always 10 kΩ or higher
      for 1ZR-FAE
      Tester Connection Condition Specified Condition
      B186-65 (D) or A4-2 (CL-) - Body ground Always 10 kΩ or higher
      for 1WW
      Tester Connection Condition Specified Condition
      A50-7 (D) or A4-2 (CL-) - Body ground Always 10 kΩ or higher

    4. Reconnect the clutch start switch assembly connector.

    5. Reconnect the ECM connector.

      Result
      Proceed to
      OK
      NG

    OK

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR (CLUTCH START SWITCH ASSEMBLY - ECM)