CRUISE CONTROL SYSTEM Clutch Switch Circuit

DESCRIPTION

While depressing the clutch pedal, the clutch switch sends a signal to terminal 73 (CLSW)*1 or 47 (D)*2 of the ECM. The ECM cancels cruise control when terminal 73 (CLSW)*1 or 47 (D)*2 receives the signal.

*1: for 1KD-FTV

*2: for 2TR-FE

WIRING DIAGRAM

A003FNNE03
A003C6YE01

INSPECTION PROCEDURE

Note

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

PROCEDURE


  1. INSPECT CLUTCH SWITCH ASSEMBLY


    1. Remove the clutch switch assembly Click here.

    2. Inspect the clutch switch assembly Click here.


    NG

    REPLACE CLUTCH SWITCH ASSEMBLY Click here

    OK

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


    1. Disconnect the B54 clutch switch assembly connector.

    2. Disconnect the D98*1 or B71*2 ECM connector.

      *1: for 1KD-FTV

      *2: for 2TR-FE

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

      Standard Voltage
      Tester Connection Switch Condition Specified Condition
      B54-1 - Body ground Ignition switch ON 11 to 14 V
      Ignition switch off Below 1 V

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

      Standard Resistance
      for 1KD-FTV
      Tester Connection Condition Specified Condition
      B54-2 - D98-73 (CLSW) Always Below 1 Ω
      B54-2 - Body ground Always 10 kΩ or higher
      for 2TR-FE
      Tester Connection Condition Specified Condition
      B54-2 - B71-47 (D) Always Below 1 Ω
      B54-2 - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

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