2009 Toyota Matrix S, FWD, AutomaticFACTORY OEM SERVICE PROCEDURE

Inspection Procedure

  1. CHECK MIL 
    1. Check that the Malfunction Indicator Lamp (MIL) lights up when turning the ignition switch to ON.

      OK: 

      MIL lights up 

    NG: Go to step 2 

    OK: SYSTEM OK 

  2. CHECK COMMUNICATION BETWEEN TECHSTREAM AND ECM 
    1. Connect the Techstream to the DLC3.
    2. Turn the ignition switch to ON.
    3. Turn the Techstream on.
    4. Check the communication between the Techstream and ECM.

    Result 

    RESULT REFERENCE

    Result Proceed to
    Communication is not possible A
    Communication is possible B

    B: GO TO MIL CIRCUIT  (See MIL CIRCUIT )

    A: Go to next step 

  3. CHECK MIL (THROTTLE POSITION SENSOR) 
    1. Disconnect the throttle body connector.
    2. Turn the ignition switch to ON.
    3. Check the MIL

      Result 

      RESULT REFERENCE

      Result Proceed to
      MIL does not illuminate A
      MIL illuminates B
    4. Reconnect the throttle body connector.

    B: REPLACE THROTTLE BODY  (See THROTTLE BODY )

    A: Go to next step 

  4. CHECK MIL (ACCELERATOR PEDAL POSITION SENSOR) 
    1. Disconnect the accelerator pedal position sensor connector.
    2. Turn the ignition switch to ON.
    3. Check the MIL.

      Result 

      RESULT REFERENCE

      Result Proceed to
      MIL does not illuminate A
      MIL illuminates B
    4. Reconnect the accelerator pedal position sensor connector.

    B: REPLACE ACCELERATOR PEDAL ROD ASSEMBLY  (See ACCELERATOR PEDAL )

    A: Go to next step 

  5. CHECK MIL (CANISTER PUMP MODULE) 
    1. Disconnect the canister pump module connector.
    2. Turn the ignition switch to ON.
    3. Check the MIL.

      Result 

      RESULT REFERENCE

      Result Proceed to
      MIL does not illuminate A
      MIL illuminates (for 2WD) B
      MIL illuminates (for 4WD) C
    4. Reconnect the canister pump module connector.

    B: REPLACE CANISTER  (See CANISTER (FOR 2WD) )

    C: REPLACE CANISTER  (See CANISTER (FOR 4WD) )

    Fig 1: Locating Canister Pump Module Connector
    G06040248Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    A: Go to next step 

  6. CHECK HARNESS AND CONNECTOR (VC CIRCUIT) 
    1. Disconnect the throttle body connector.
    2. Disconnect the accelerator pedal position sensor connector.
    3. Disconnect the canister pump module connector.
    4. Disconnect the ECM connectors.
    5. Measure the resistance.

      Standard Resistance (Check for Short) 

      RESISTANCE REFERENCE

      Tester Connection Condition Specified Condition
      B29-67 (VCTA) - Body ground Always 10 kΩ or higher
      A37-57 (VCPA) - Body ground Always 10 kΩ or higher
      A37-58 (VCP2) - Body ground Always 10 kΩ or higher
      B29-70 (VCPP) - Body ground Always 10 kΩ or higher
    6. Reconnect the throttle body connector.
    7. Reconnect the accelerator pedal position sensor connector.
    8. Reconnect the canister pump module connector.
    9. Reconnect the ECM connectors.

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Fig 2: Identifying ECM Connector Terminal
    G06040249Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    OK: REPLACE ECM  (See ECM )

Chapter Navigation
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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.