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Home >> Toyota >> 2007 >> RAV4 Base, 2.4 D, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 14 (Engine Control System (2GR-FE)) >> SFI System >> MIL Circuit >> Inspection Procedure
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Inspection Procedure

WARNING: This page is about a different variant/trim than selected.
  1. CHECK THAT MIL IS ILLUMINATED 
    1. Perform troubleshooting in accordance with the table below.
    RESULT CHART

    Condition Proceed to
    MIL remains ON A
    MIL does not illuminate B

    B: GO to step  5

    A: GO to Next Step 

  2. CHECK WHETHER MIL TURNS OFF 
    1. Connect the intelligent tester to the DLC3.
    2. Turn the ignition switch ON and turn the tester ON.
    3. Select the following menu items: DIAGNOSIS / ENHANCED OBD II / DTC INFO / CURRENT CODES.
    4. Check if any DTCs have been stored. Note down any DTCs.
    5. Clear DTCs (see DTC CHECK/CLEAR ).
    6. Check if the MIL goes off.

    Standard: MIL should go off. 

    OK: REPAIR CIRCUITS INDICATED BY OUTPUT DTCS 

    NG: GO to Next Step 

  3. CHECK WIRE HARNESS (CHECK FOR SHORT IN WIRE HARNESS) 
    1. Disconnect the A9 ECM connector.
    2. Turn the ignition switch ON.
    3. Check that the MIL is not illuminated.

      OK: MIL is not illuminated. 

    4. Reconnect the ECM connector.

    OK: REPLACE ECM 

    Fig 1: Identifying A9 ECM Connector Terminals
    G05184247Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG: GO to Next Step 

  4. CHECK WIRE HARNESS (COMBINATION METER - ECM) 
    1. Disconnect the A9 ECM connector.
    2. Disconnect the E19 combination meter connector.
    3. Measure the resistance.

      Standard resistance 

      TESTER CONNECTION SPECIFIED CONDITION

      Tester Connection Specified Condition
      A9-24 (W) or E19-8 (EFI) - Body ground 10 kΩ or higher
    4. Reconnect the ECM connector.
    5. Reconnect the combination meter connector.

    OK: REPAIR OR REPLACE COMBINATION METER ASSEMBLY 

    Fig 2: Identifying E19 Combination Meter Connector Terminals
    G05184248Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG: REPAIR OR REPLACE HARNESS AND CONNECTOR 

  5. CHECK THAT MIL IS ILLUMINATED 
    1. Check if the MIL is illuminated when the ignition switch is turned ON.

    OK: MIL should be illuminated. 

    OK: SYSTEM OK 

    NG: GO to Next Step 

  6. CHECK THAT ENGINE STARTS 
    1. Turn the ignition switch ON.
    2. Start the engine.
    RESULT CHART

    Result Proceed to
    Engine starts A
    Engine does not start* B

    HINT:

    *: The intelligent tester cannot communicate with the ECM.

    B: GO TO VC OUTPUT CIRCUIT 

    A: GO to Next Step 

  7. INSPECT COMBINATION METER ASSEMBLY (MIL CIRCUIT) 
    1. Check the MIL Circuit  .

    NG: REPAIR OR REPLACE COMBINATION METER ASSEMBLY 

    OK: CHECK AND REPLACE HARNESS AND CONNECTOR (COMBINATION METER - ECM) 

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