2007 Toyota Land CruiserFACTORY OEM SERVICE PROCEDURE

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 CONNECTION BETWEEN INTELLIGENT TESTER AND ECM 
    1. Connect the intelligent tester to the CAN VIM. Then connect the CAN VIM to the DLC3.
    2. Turn the ignition switch ON and intelligent tester ON.
    3. Check the communication between the intelligent tester and ECM.

    Result 

    RESULT CHART

    Communication is possible A
    Communication is not possible B

    A: GO TO  MIL CIRCUIT  

    B: GO TO Next Step 

  3. INSPECT ECM 
    1. Turn the ignition switch ON.
    2. Measure the voltage between E5-23 (VC) and E7-1 (E1) of the ECM connectors.

    Result: Voltage is not 5 V 

    Fig 1: Identifying ECM E5 And E7 Connectors
    G05196877Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  4. CHECK MIL (THROTTLE POSITION SENSOR) 
    1. Disconnect the T16 throttle body connector.
    2. Turn the ignition switch ON.
    3. Check the MIL.

    Result 

    RESULT CHART

    MIL illuminates A
    MIL does not illuminate B

    A REPLACE THROTTLE BODY 

    B: GO TO Next Step 

  5. CHECK MIL (CAMSHAFT POSITION SENSOR) 
    1. Disconnect the C31 camshaft position sensor connector.
    2. Turn the ignition switch ON.
    3. Check the MIL.

    Result 

    RESULT CHART

    MIL illuminates A
    MIL does not illuminate B

    A: REPLACE CAMSHAFT POSITION SENSOR 

    B: GO TO Next Step 

  6. CHECK MIL (CANISTER PUMP MODULE) 
    1. Remove the spare tire.
    2. Disconnect the L5 canister pump module connector.
    3. Turn the ignition switch ON.
    4. Check the MIL.
    Fig 2: Locating L5 Canister Pump Module Connector
    G05196878Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    Result 

    RESULT CHART

    MIL illuminates A
    MIL does not illuminate B

    A: REPLACE CANISTER 

    B: GO TO Next Step 

  7. CHECK MIL (PRESSURE SENSOR) 
    1. Remove the intake manifold (see REMOVAL ).
    2. Disconnect the A54 pressure sensor.
    3. Turn the ignition switch ON.
    4. Check the MIL.

    Result 

    RESULT CHART

    MIL illuminates A
    MIL does not illuminate B

    A: REPLACE AIR SWITCHING VALVE 

    B: GO TO Next Step 

  8. CHECK HARNESS AND CONNECTOR 
    1. Disconnect the T16 throttle body connector.
    2. Disconnect the C31 camshaft position sensor connector.
    3. Disconnect the L5 canister pump module connector.
    4. Disconnect the A54 pressure sensor.
    5. Disconnect the E5 ECM connector.
    6. Measure the resistance of the wire harness side connector.

    Standard resistance (check for short) 

    TESTER CONNECTION SPECIFIED CONDITION CHART

    Tester Connection Specified Condition
    E5-23 (VC) - Body ground 10 kΩ or higher

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Fig 3: Disconnecting L5 Canister Pump Module Connector
    G05196879Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    OK: REPLACE ECM 

Factory Service Tools

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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.

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