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Home › Lexus › 2007 › GS 350 AWD › Repair and Diagnosis › Engine Performance › System › Engine Control System (2GR-FSE) - System And Circuit Testing, On-Vehicle Inspection, Removal, Inspection, Installation › Throttle Body › On-Vehicle Inspection

On-Vehicle Inspection

  1. CHECK THROTTLE BODY 
    1. Check the throttle control motor operating sounds.
      1. Connect the intelligent tester to the DLC3.
      2. Turn the engine switch on (IG).
      3. Push the intelligent tester main switch ON.
      4. Enter the following menus: DIAGNOSIS / ENHANCED OBD II / ACTIVE TEST / ETCS OPEN SLOW or ETCS CLOSE SLOW or ETCS OPEN FAST or ETCS CLOSE FAST.
        Fig 1: Connecting Intelligent Tester To DLC3
        G05285048Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      5. Check the operating sound of the running motor. Make sure that no friction noises emit from the motor.

        If a friction noise exists, replace the throttle body.

    2. Check the throttle position sensor.
      1. Connect the intelligent tester to the DLC3.
      2. Turn the engine switch on (IG).
      3. Push the intelligent tester main switch ON.
      4. Enter the following menus: DIAGNOSIS / ENHANCED OBD II / ACTIVE TEST / ETCS OPEN SLOW or ETCS CLOSE SLOW or ETCS OPEN FAST or ETCS CLOSE FAST.

        Specified Condition 

        TESTER DISPLAY AND SPECIFIED CONDITION

        Tester Display Specified Condition
        THROTTLE POS Value varies according to Active Test
        THROTTLE POS #1
        THROTTLE POS #2

        If the result is not as specified, replace the throttle body.

    Fig 2: Checking Throttle Control Motor Operating Sounds
    G05285372Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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