Toyota Corolla (E120) 2002–2008 Repair Manual / Introduction / How to troubleshoot ecu controlled
systems
Toyota Corolla (E120): How to troubleshoot ecu controlled systems
- General information
- How to proceed with troubleshooting
- Customer problem analysis
- Symptom confirmation and diagnostic trouble code
- Symptom simulation
- Diagnostic trouble code chart
- Problem symptoms table
- Circuit inspection
- Electronic circuit inspection procedure
Other materials:
Overhaul
1. Inspect 4th gear thrust clearance
Using a feeler gauge, measure the 4th gear thrust clearance.
4Th gear thrust clearance:
2. Inspect 3rd gear thrust clearance
Using a dial indicator, measure the 3rd gear thrust clearance.
3Rd gear thrust clearance:
3. Inspect 4th gear ...
Body panel sealing areas
Be sure to apply body sealer to the body panel joints and door edges (tip of
outer panel folded part), etc., To waterproof
and rustproof them.
Hint:
apply degreasing agent to a clean cloth and clean the sealer
application areas.
After removing the applied spot sealer from the se ...
Inspection procedure
1 Reconfirm dtc
Check the dtc
2 Inspect skid control ecu connector securely connected
3 Inspect skid control ecu connector(ig1 terminal voltage)
In case of using hand–held tester:
check the voltage condition output from the ecu displayed on the
hand–held tester.
O ...