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Home >> Toyota >> 2008 >> RAV4 Base, 2.4 D, AWD >> Repair and Diagnosis >> Engine Performance >> Engine Control System (2AZ-FE) >> SFI System >> VC Output Circuit >> Inspection Procedure
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Inspection Procedure

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

      OK: 

      MIL lights up 

    OK: SYSTEM OK 

    NG: Go to next step 

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

      Result 

      RESULT REFERENCE

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

    A:  GO TO MIL CIRCUIT 

    B: Go to next step 

  3. CHECK MIL (THROTTLE POSITION SENSOR) 
    1. Disconnect the B3 throttle body connector.
    2. Turn the ignition switch ON.
    3. Check the MIL.

      Result 

      RESULT REFERENCE

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

    A: REPLACE THROTTLE BODY ASSEMBLY 

    B: Go to next step 

  4. CHECK MIL (ACCELERATOR PEDAL POSITION SENSOR) 
    1. Disconnect the A4 accelerator pedal position sensor connector.
    2. Turn the ignition switch ON.
    3. Check the MIL.

      Result 

      RESULT REFERENCE

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

    A: REPLACE ACCELERATOR PEDAL POSITION SENSOR 

    B: Go to next step 

  5. CHECK MIL (CANISTER PUMP MODULE) 
    1. Disconnect the S3 canister pump module connector.
      2. Fig 1: Identifying Canister Pump Module Connector
      G05183781Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Turn the ignition switch ON.
    3. Check the MIL

      Result 

      RESULT REFERENCE

      Result Proceed To
      MIL illuminates A
      MIL does not illuminate B
    4. Reconnect the canister pump module connector.

    A: REPLACE CHARCOAL CANISTER ASSEMBLY 

    B: Go to next step 

  6. CHECK MIL (BATTERY CURRENT SENSOR) 
    1. Disconnect the B29 battery current sensor connector.
    2. Turn the ignition switch ON.
    3. Check the MIL

      Result 

      RESULT REFERENCE

      Result Proceed To
      MIL illuminates A
      MIL does not illuminate B
    4. Reconnect the battery current sensor connector.

    A: REPLACE BATTERY CURRENT SENSOR 

    B: Go to next step 

  7. CHECK HARNESS AND CONNECTOR 
    1. Disconnect the B3 throttle body connector.
    2. Disconnect the A4 accelerator pedal position sensor connector.
    3. Disconnect the S3 canister pump module connector.
    4. Disconnect the B29 battery current sensor connector.
    5. Disconnect the A9 and B30 ECM connectors.
      6. Fig 2: Identifying ECM Connector Terminals
      G05183782Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    6. Measure the resistance.

      Standard resistance (check for short) 

      RESISTANCE SPECIFICATION

      Tester Connections Specified Conditions
      B30-67 (VCTA) - Body ground 10 kΩ or higher
      A9-57 (VCPA) - Body ground 10 kΩ or higher
      A9-58 (VCP2) - Body ground 10 kΩ or higher
      B30-70 (VCPP) - Body ground 10 kΩ or higher
      B30-69 (VCIB) - Body ground 10 kΩ or higher
    7. Reconnect the throttle body connector.
    8. Reconnect the accelerator pedal position sensor connector.
    9. Reconnect the canister pump module connector.
    10. Reconnect the battery current sensor connector.
    11. Reconnect the ECM connectors.

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK: REPLACE ECM 

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