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Toyota Corolla Repair Manual: How to proceed with troubleshooting

Toyota Corolla Repair Manual / Diagnostics / Combination meter / How to proceed with troubleshooting

1 Vehicle brought to workshop

2 Customer problem analysis

2 Customer problem analysis

3 Problem symptom confirmation

3 Problem symptom confirmation

4 Circuit inspection

4 Circuit inspection

5 Repair or replace

5 Repair or replace

6 Confirmation test

6 Confirmation test

7 End

7 End

Customer problem analysis check

Location

Combination meter
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Location
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Other materials:

Inspection procedure
1 Inspect ecm(+b voltage) Turn the ignition switch on.  measure the voltage between the terminals of the e4 and e6 ecm connectors. Standard: 2 Check harness and connector(ecm body ground) Disconnect the e4 ecm connector. check the resistance between the wire ha ...

Transmission valve body assy (atm)
Replacement 1. Remove engine under cover lh 2. 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) 3. Remove automatic transaxle oil pan subassy Remove the 18 bolt ...

Inspection procedure
1 Check side squib(rh) circuit(airbag sensor assy center front seat airbag assy rh) Disconnect the negative () terminal cable from the battery, and wait at least for 90 seconds. disconnect the connectors between the front seat airbag assy (rh) and the airbag sensor assy center. & ...

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