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Inspection Procedure: Procedure

WARNING: This page is about a different car, the 2011 Toyota Corolla. However, it is still accessible from the selected car via links, so may be relevant.
  1. INSPECT ECM 
    1. Disconnect the ECM connector.
      Fig 1: ECM Connector Terminal Identification
      GTY292291Courtesy 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 Resistance (2AZ-FE)

      Tester Connection Condition Specified Condition
      B31-56 (D) - Body ground Clutch pedal depressed Below 1 V
      Clutch pedal released 11 to 14 V

      Standard Resistance (2GR-FE)

      Tester Connection Condition Specified Condition
      B31-47 (D) - Body ground Clutch pedal depressed Below 1 V
      Clutch pedal released 11 to 14 V
    4. Reconnect the ECM connector.

    NG → See step   2 

    OK → See step   4 

  2. INSPECT CLUTCH SWITCH ASSEMBLY 
    1. Turn the ignition switch off.
    2. Remove the clutch switch assembly. Refer to COMPONENTS .
      Fig 2: Inspecting Clutch Switch Assembly
      GTY207513Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Switch Condition Specified Condition
      1 - 2 Switch pin free 10 kΩ or higher
      Switch pin pushed in Below 1 Ω
    4. Install the clutch switch assembly. Refer to INSTALLATION .

    NG → See step   5 

    OK: Go to next step 

  3. CHECK HARNESS AND CONNECTOR (ECM - CLUTCH SWITCH ASSEMBLY) 
    1. Measure the resistance according to the value(s) in the table below.

      Standard Resistance (2AZ-FE)

      Tester Connection Condition Specified Condition
      B31-56 (D) - A4-2 Always Below 1 Ω
      B31-56 (D) - Body ground Always 10 kΩ or higher

      Standard Resistance (2ZR-FE)

      Tester Connection Condition Specified Condition
      B31-47 (D) - A4-2 Always Below 1 Ω
      B31-47 (D) - Body ground Always 10 kΩ or higher

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

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

  4. PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to  PROBLEM SYMPTOMS TABLE 
  5. REPLACE CLUTCH SWITCH ASSEMBLY. Refer to  COMPONENTS