On-Vehicle Inspection

1. Check the operation.
   1. Connect the hand-held tester to the DLC3.
   2. Turn the ignition switch to ON.
   3. Turn the hand-held tester ON.
   4. Start the engine and warm it up.
   5. Select the following menu items: DIAGNOSIS / ENHANCED OBD II / ACTIVE TEST / VVT CTRL B1.
   6. Operate the OCV using the hand-held tester, then check the engine speed.
   Fig 1: Connecting Hand-Held Tester To DLC3

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   Standard: 

   TESTER CONNECTION AND SPECIFIED CONDITION SPECIFICATION
   
   

   Tester Operation	Specified Condition
   OCV is OFF	Normal engine speed
   OCV is ON	Rough idling engine stall

If the operation is not as specified, check the camshaft timing oil control valve, wire harness and ECM.

1. Listen to the throttle control motor operating sounds.
   1. Turn the ignition switch to ON.
   2. When pressing the accelerator pedal, listen to the running sounds of the motor. Make sure no friction noises come from the motor.

   If friction noises exist, check the throttle body, wire harness and ECM.

2. Inspect the throttle position sensor.
   1. Connect the hand-held tester to the DLC3. (See Fig 1)
   2. Turn the ignition switch to ON.
   3. Turn the hand-held tester ON.
   4. Select the following menu items: DIAGNOSIS / ENHANCED OBD II / DATA LIST / ALL / THROTTLE POS.
   5. Depress the accelerator pedal. When the throttle valve is fully opened, check that the THROTTLE POS value is within the specified values.

Standard : 60% or more 

If the result is not as specified, check the throttle body, wire harness and ECM.

1. Check the voltage.
   1. Connect the hand-held tester to the DLC3. (See Fig 1)
   2. Turn the ignition switch to ON.
   3. Turn the hand-held tester ON.
   4. Select the following menu items: DIAGNOSIS / ENHANCED OBD II / DATA LIST / ALL / ACCEL POS #1, ACCEL POS #2.
   5. Operate the accelerator pedal, then check that the ACCEL POS #1 and ACCEL POS #2 values are within the specified values.

ACCEL POS #1: 

ACCEL POS #2: 

If the result is not as specified, check the accelerator pedal, wire harness and ECM.