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

DTC Code DTC Name
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

B283123E29
B283123E30
B283123E23

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)

      Table 1. for 1NR-FE, 1ZR-FE, 2ZR-FE

      Tester Connection

      Condition

      Specified Condition

      B31-81 (D) - A4-2 (CL-)

      Always

      Below 1 Ω
      Table 2. for 1ZR-FAE

      Tester Connection

      Condition

      Specified Condition

      B186-65 (D) - A4-2 (CL-)

      Always

      Below 1 Ω
      Table 3. for 1WW

      Tester Connection

      Condition

      Specified Condition

      A50-7 (D) - A4-2 (CL-)

      Always

      Below 1 Ω

      Standard Resistance (Check for Short)

      Table 4. 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
      Table 5. for 1ZR-FAE

      Tester Connection

      Condition

      Specified Condition

      B186-65 (D) or A4-2 (CL-) - Body ground

      Always

      10 kΩ or higher
      Table 6. 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)