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Toyota Corolla Repair Manual: How to proceed with troubleshooting

The handheld tester can be used at step 4, 6, 8 and 9.

1 Vehicle brought to workshop

2 Customer problem analysis

2 Customer problem analysis

3 Warning light check

3 Warning light check

4 The dtcs check (present and past dtcs)

4 The dtcs check (present and past dtcs)

5 The dtcs chart

5 The dtcs chart

6 Circuit inspection

6 Circuit inspection

7 Repair

7 Repair

8 Clear the dtcs (present and past dtcs)

8 Clear the dtcs (present and past dtcs)

9 The dtcs check (present and past dtcs)

9 The dtcs check (present and past dtcs)

10 Symptom simulation

10 Symptom simulation

11 Confirmation test

11 Confirmation test

End

End

Customer problem analysis check

Precheck

Supplemental restraint system
...

Precheck
1. Srs warning light check Turn the ignition switch to the on position and check that the srs warning light lights up. check that the srs warning light goes out after approx. 6 Seconds ...

Other materials:

Inspection procedure
1 Check security indicator light Set the system in 30 seconds after filliping the security indicator to check if the alarm is triggered. 2 Check glass breakage sensor ecu (glass breakage sensor) Check the continuity and voltage of the glass breakage sensor ecu, as shown in th ...

How to proceed with troubleshooting
1 Vehicle brought to workshop 2 Customer problem analysis 3 Check and clear dtc 4 Problem symptom confirmation Symptom does not occur (go to step 5) 5 Symptom simulation 6 Dtc check 7 Dtc chart 8 Problem symptoms table 9 Circuit inspection 10 Confirmation test End ...

Precaution
Caution: replace the faulty parts of the seat belt systems (outer belt, inner belt, bolts, nuts, adjustable shoulder anchor, tether anchor hardware, sillbar, etc.). Seat belt systems not in use at the time of a collision should also be inspected and replaced if found to be damaged or work ...

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