Toyota Tacoma manuals

Toyota Corolla Repair Manual: Inspection procedure

Hint

:

Handheld tester:

1 Read value of handheld tester(throttle valve opening percentage)

  1. Connect the handheld tester to the dlc3.
  2.  turn the ignition switch on.
  3.  select the item diagnosis / enhanced obd ii / data list / etcs / throttle pos and read its value displayed on the handheld tester.

Result:

2 Inspect throttle position sensor

2 Inspect throttle position sensor

  1. Disconnect the t1 throttle position sensor connector.
  2.  measure the resistance between the terminals of the throttle position sensor.

Standard

  1. Reconnect the throttle position sensor connector.

3 Check harness and connector(ecm  throttle position sensor)

3 Check harness and connector(ecm throttle position sensor)

  1. Disconnect the e3 ecm connector.
  2.  measure the resistance between the terminals of the e3 ecm connector.

Standard:

  1. Check the resistance between the terminals of the e3 ecm connector.

Standard (check for short):

  1. Reconnect the ecm connector.

Replace ecm

Replace ecm

4 Inspect throttle position sensor

  1. Disconnect the t1 throttle position sensor connector.
  2.  measure the resistance between the terminals of the throttle position sensor.

Standard:

  1. Reconnect the throttle position sensor connector.

5 Check harness and connector(ecm  throttle position sensor)

5 Check harness and connector(ecm throttle position sensor)

  1. Disconnect the e3 ecm connector.
  2.  disconnect the t1 throttle position sensor connector.
  3.  check the resistance between the wire harness side connectors.

Standard (check for open):

Standard (check for short):

Standard (check for short):

  1. Reconnect the throttle position sensor connector.
  2.  reconnect the ecm connector.

Replace ecm

Replace ecm

Obd ii scan tool (excluding handheld tester):

1 Inspect throttle position sensor

  1. Disconnect the t1 throttle position sensor connector.
  2.  measure the resistance between the terminals of the throttle position sensor.

Standard:

  1. Reconnect the throttle position sensor connector.

2 Check harness and connector(throttle position sensor  ecm)

2 Check harness and connector(throttle position sensor ecm)

  1. Disconnect the e3 ecm connector.
  2. measure the resistance between the terminals of the e3 ecm connector.

Standard:

  1. Check the resistance between the terminals of the e3 ecm connector.

Standard (check for short):

  1. Reconnect the ecm connector.

Throttle/pedal position

Circuit description
The throttle position sensor is mounted in the throttle body and detects the throttle valve opening angle. When the throttle valve is fully closed, a voltage of approximately 0.3 To 1.0 V is ...

Throttle/pedal position sensor/switch a circuit range/performance problem
Dtc p0121 throttle/pedal position sensor/switch a circuit range/performance problem Hint: this is the purpose of the throttle position sensor. ...

Other materials:

Eco Driving Indicator Light customization (except vehicles with a manual transmission)
Eco Driving Indicator Light can be activated or deactivated. 1 While the odometer is being displayed, press and hold the DISP switch to display the Eco Driving Indicator Light customization screen. 2 Press the DISP switch to set Eco Driving Indicator Light to on or off. 3 Press and hold the ...

Adjustment
1. Put vehicle these conditions  tire inflation pressure is the specified value .  start the engine. 2. Adjust fog light aim The fog light aim can be adjusting by moving the aiming screw in the vertical direction. Hint: the optical aim moves upward when turning a scr ...

Horn
To sound the horn, press on or close to the mark. CAUTION ■Caution while driving Do not adjust the steering wheel while driving. Doing so may cause the driver to mishandle the vehicle and cause an accident, resulting in death or serious injury. ■After adjusting the steering wh ...

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