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Toyota Corolla Repair Manual: How to proceed with troubleshooting

Hint

:

1 Vehicle brought to workshop

2 Customer problem analysis check and symptom check

2 Customer problem analysis check and symptom check

3 Problem symptoms table

3 Problem symptoms table

  1. If the fault is not listed on the problem symptoms table, proceed to a.
  2. if the fault is listed on the problem symptoms table, proceed to b.

4 Overall analysis and troubleshooting

4 Overall analysis and troubleshooting

  1. Terminals of ecu
  2.  onvehicle inspection

5 Adjust, repair or replace

6 Confirmation test

6 Confirmation test

End

End

Customer problem analysis check

Location

Location

Terminals of ecu

Wireless door lock control system
...

Terminals of ecu
1. Inspect integration relay Disconnect the connector from the integration relay. check the continuity between each terminal of the disconnected connector and the body ground, as shown ...

Other materials:

Inspection procedure
Hint: when the throttle position is slightly opened (the accelerator pedal is slightly depressed) because a floor carpet is overlapped on the accelerator pedal, or if not fully releasing the accelerator pedal, etc., Dtc p505 will possibly be detected. Read freeze frame data using the ...

Inspection procedure
1 Check p squib circuit(airbag sensor assy center instrument panel passenger airbag assy) Disconnect the negative () terminal cable from the battery, and wait at least for 90 seconds.  disconnect the connectors between the airbag sensor assy center and the instrument panel pas ...

Using the audio system
Optimal use of the audio system Sound quality (treble/bass) and volume balance can be adjusted. 1 Displays the current mode 2 Changes the following setting Sound quality and volume balance  The sound quality and balance setting can be changed to produce the best sound. Automatic Soun ...

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