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On-Vehicle Inspection

CHECK THROTTLE BODY

Check the throttle control motor operating sounds.
1. Connect the intelligent tester to the DLC3.
  
  Fig 1: Connecting Intelligent Tester To DLC3
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Turn the power 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.
5. Check the operating sound of the running motor. Make sure that no friction noises emit from the motor.
  If friction noise exists, replace the throttle body.
  
  Fig 2: Checking Throttle Control Motor Operating Sounds
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Check the throttle position sensor.

Connect the intelligent tester to the DLC3.
Turn the power switch ON (IG).
Push the intelligent tester main switch ON.

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

TERMINALS REFERENCE CHART

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.