On-Vehicle Inspection

1. Inspect the throttle control motor for operating sound.
   1. Turn the ignition switch on (IG).
   2. When turning the accelerator pedal position sensor lever, check the running sound of the motor. The motor should be running smoothly without friction sounds.

      If operation is not as specified, check the throttle control motor, wiring and ECM (see INSPECTION ).

   Fig 1: Inspecting Throttle Control Motor

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Inspect the throttle position sensor.
   1. Connect the hand-held tester (with CAN VIM) to the DLC3.
      Fig 2: Connecting Hand-Held Tester (With CAN VIM) To DLC3

      Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
   2. Turn the ignition switch on (IG).
   3. Check that the MIL does not light up.
   4. Check that, under the CURRENT DATA, THROTTLE POS (throttle valve opening percentage) is within the standard value below.

   Standard throttle valve opening percentage: 60 % or more 

   If operation is not as specified, check the throttle position sensor, wiring and ECM (see INSPECTION ).

1. Connect the hand-held tester (with CAN VIM) to the DLC3.
   Fig 3: Connecting Hand-Held Tester (With CAN VIM) To DLC3

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Turn the ignition switch on (IG).
3. Start and warm up the engine.
4. Connect the hand-held tester and select VVT from the ACTIVE TEST menu.
5. Check the engine speed when the OCV is operated by the hand-held tester.

OK: