Toyota Tacoma manuals

Toyota Corolla Repair Manual: Inspection procedure

Hint

:

Handheld tester

1 Read value of handheld tester(starter signal)

  1. Connect the handheld tester or obd ii scan tool to the dlc3.
  2.  turn the ignition switch on and push the handheld tester main switch on.
  3.  select the item diagnosis / enhanced obd ii / data list / all / starter sig and read the value displayed the handheld tester.

Result:

2 Inspect park/neutral position switch or clutch start switch

2 Inspect park/neutral position switch or clutch start switch

  1. Inspect the park/neutral position switch. (A/t)
  1.  disconnect the a2 park/neutral position switch connector.
  2.  Check for continuity between each terminal shown below when the shift lever is moved to each range.

Standard:

  1. Reconnect the park/neutral position switch connector.
  1.  inspect the clutch start switch. (M/t)
  1.  disconnect the c8 clutch start switch connector.
  2.  Check for continuity between terminals when the switch on and off.

Standard:

  1. Reconnect the clutch start switch connector.

3 Read value of handheld tester(starter signal)

3 Read value of handheld tester(starter signal)

  1. Connect the handheld tester to or obd ii scan tool the dlc3.
  2.  turn the ignition switch on and push the handheld tester main switch on.
  3.  select the item diagnosis / enhanced obd ii / data list / all / starter sig and read its value displayed the handheld tester.

Result:

4 Inspect ignition or starter switch assy

4 Inspect ignition or starter switch assy

  1. Check for continuity between the connector terminals shown in the chart below

5 Read value of handheld tester(starter signal)

5 Read value of handheld tester(starter signal)

  1. Connect the handheld tester or obd ii scan tool to the dlc3.
  2.  turn the ignition switch on and push the handheld tester main switch on.
  3.  select the item diagnosis / enhanced obd ii / data list / all / starter sig and read its value displayed the handheld tester.

Result:

Repair or replace harness and connector

Repair or replace harness and connector

Obd ii scan tool (excluding handheld tester):

1 Inspect ecm

  1. Turn the ignition switch on.
  2.  measure the voltage between the terminals of the e4 ecm connector.

Standard:

  1. Measure the voltage between the terminals of the e4 ecm connector when the engine is cranked.
  2. Standard:

2 Inspect park/neutral position switch or clutch start switch

2 Inspect park/neutral position switch or clutch start switch

  1. Inspect the park/neutral position switch. (A/t)
  1.  disconnect the a2 park/neutral position switch connector.
  2.  Check for continuity between each terminal shown below when the shift lever is moved to each range.

Standard:

  1. Reconnect the park/neutral position switch connector.
  1.  inspect the clutch start switch. (M/t)
  1.  disconnect the c8 clutch start switch connector.
  2.  Check for continuity between terminals when the switch on and off.

Standard:

  1. Reconnect the clutch start switch connector.

3 Inspect ecm

3 Inspect ecm

  1. Turn the ignition switch on.
  2.  measure the voltage between the terminals of the e4 ecm connector.

Standard:

  1. Measure the voltage between the terminals of the e4 ecm connector when the engine is cranked.

Standard:

4 Inspect ignition or starter switch assy

4 Inspect ignition or starter switch assy

  1. Disconnect the i10 ignition switch connector.
  2.  check for continuity between the connector terminals shown in the chart below.

  1. Reconnect the ignition switch connector.

5 Inspect ecm

5 Inspect ecm

  1. Turn the ignition switch on.
  2.  measure the voltage between the terminals of the e4 ecm connector.

Standard:

  1. Measure the voltage between the terminals of the e4 ecm connector when the engine is cranked.

Standard:

Repair or replace harness or connector

Repair or replace harness or connector

Monitor description
While the engine is being cranked, the battery positive voltage is applied to terminal sta of the ecm. If the ecm detects the starter control signal (sta) while the vehicle is driving, it will ...

Ecm power source circuit
...

Other materials:

Battery
Check the battery as follows. ■ Battery exterior Make sure that the battery terminals are not corroded and that there are no loose connections, cracks, or loose clamps. 1 Terminals 2 Hold-down clamp ■Before recharging When recharging, the battery produces hydrogen gas which is ...

Front seat airbag assy rh
Disposal Hint: when scrapping vehicles equipped with an srs or disposing of the front seat airbag assy always first deploy the airbag in accordance with the procedure described below. If any abnormality occurs with the airbag deployment, contact the service dept. Of toyota motor sales ...

How to proceed with troubleshooting
The handheld tester can be used at step 3, 4, 5, 7, 10. 1 Vehicle brought to workshop 2 Customer problem analysis 3 Connect handheld tester to dlc3 Hint: if the display indicates a communication fault in the tool, inspect dlc3. 4 Check dtc and freeze frame data Hint: record or print ...

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