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:

Driving monitor
■ Switching the display Items displayed can be switched by pressing the DISP switch. ■ Average fuel consumption Displays the average fuel consumption since the function was reset. Press and hold the DISP switch to reset when the average fuel consumption is displayed. Use ...

Front differential oil seal (atm)
Replacement 1. Remove front wheels 2. Remove engine under cover rh 3. Remove engine under cover lh 4. Drain automatic transaxle fluid  remove the drain plug, gasket and drain atf.  install a new gasket and drain plug. Torque: 17.5 Nvm (178 Kgfcm, 13 ftlbf) 5. Remove front ...

Onvehicle inspection
1. Check fuel pump operation Connect the handheld tester to the dlc3.  turn the ignition switch on and handheld tester main switch on. Notice: do not start the engine.  select the active test mode on the handheld tester.  please refer to the handheld tester ope ...

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