Toyota Corolla (E120): Ecm power source circuit

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Problem symptoms table
Proceed to the reference page shown in the table below for each malfunction symptom and troubleshoot each circuit. Hint: troubleshooting of the tvip system is based on the premise that the door lock control system and wireless door lock control system is operating normally. Accordingly, be ...

Engine assembly
Inspection 1. Inspect coolant 2. Inspect engine oil 3. Inspect battery 4. Inspect air cleaner filter element sub–assy 5. Inspect spark plug 6. Inspect fan and generator v belt Hint: you don’t need to check the belt deflection because auto tensioner is adopted. 7. Inspect ignition ti ...

Check mode procedure
1. Dtc check (check mode) Hint: hand–held tester only: compared to the normal mode, the check mode has more sensing ability to detect malfunctions. Furthermore, the same diagnostic items which are detected in the normal mode can also be detected in the check mode. Procedure for check m ...