FixVault

Inspection Procedure

  1. INSPECT ECM 
    1. Disconnect the C19 ECM connector.
      Fig 1: Identifying C19 ECM Connector
      G05402365Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Turn the ignition switch to ON.
    3. Measure the voltage according to the value(s) in the table below.

      Standard voltage 

      STANDARD VOLTAGE SPECIFICATIONS

      Tester Connection Condition Specified Condition
      C19-56 (D) - Body ground Clutch pedal depressed Below 1 V
      Clutch pedal released 11 to 14 V

    NG: Go to step 2 

    OK : PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE  (See PROBLEM SYMPTOMS TABLE  )

  2. INSPECT CLUTCH SWITCH 
    1. Turn the ignition switch to OFF.
    2. Disconnect the A16 clutch switch connector.
    3. Remove the clutch switch, (see REMOVAL  )
    4. Measure the resistance according to the value(s) in the table below.

      Standard resistance 

      STANDARD RESISTANCE SPECIFICATIONS

      Tester Connection Switch Condition Specified Condition
      1 - 2 Switch pin free (Clutch pedal depressed) 10 kΩ or higher
      Switch pin pushed in (Clutch pedal released) Below 1 Ω
    5. Install the clutch switch.
    6. Reconnect the clutch switch connector.

    NG: REPLACE CLUTCH SWITCH  (See REMOVAL  )

    Fig 2: Inspecting Clutch Switch
    G05402366Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    OK: Go to next step 

  3. CHECK HARNESS AND CONNECTOR (ECM - CLUTCH SWITCH) 
    1. Disconnect the C19 ECM connector.
    2. Disconnect the A16 clutch switch connector.
    3. Measure the resistance according to the value(s) in the table below.
      Fig 3: Identifying C19 ECM And A16 Clutch Switch Connectors
      G05390646Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Standard resistance 

      STANDARD RESISTANCE SPECIFICATIONS

      Tester Connection Condition Specified Condition
      C19-56 (D) - A16-2 Always Below 1 Ω
      C19-56 (D) - Body ground Always 10 kΩ or higher
    4. Reconnect the ECM connector.
    5. Reconnect the clutch switch connector.

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK : REPAIR OR REPLACE HARNESS OR CONNECTOR (BATTERY - CLUTCH SWITCH)