Toyota Corolla (E120): How to proceed with troubleshooting

1 Vehicle brought to workshop

2 Customer problem analysis

2 Customer problem analysis

3 Check and clear dtc

3 Check and clear dtc

4 Problem symptom confirmation

4 Problem symptom confirmation

5 Symptom simulation

5 Symptom simulation

6 Dtc check

6 Dtc check

7 Dtc chart

7 Dtc chart

8 Problem symptoms table

8 Problem symptoms table

9 Circuit inspection

9 Circuit inspection

10 Identification of problem

10 Identification of problem

11 Parts inspection

11 Parts inspection

12 Repair

12 Repair

13 Confirmation test

13 Confirmation test

End

End

Customer problem analysis check

Pre–check

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    Other materials:

    Replacing a flat tire
    1 Chock the tires. 2 For vehicles with steel wheels, remove the wheel ornament using the wrench. To protect the wheel ornament, place a rag between the wrench and the wheel ornament, as shown in the illustration. 3 Slightly loosen the wheel nuts (one turn). 4 Turn the tire jack portion ...

    Rear axle lh hub bolt
    Replacement Hint: components: 1. Remove rear wheel 2. Remove rear brake drum sub–assy 3. Remove rear axle lh hub bolt Using sst and a hammer handle or an equivalent, remove the lh hub bolt. Sst 09628–10011 4. Install rear axle lh hub bolt Install a washer and nut to a ...

    Inspection procedure
    1 Check p/t squib(rh) circuit(airbag sensor assy center – front seat outer belt assy rh) 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 seat belt pretensio ...