Toyota Corolla (E120): Diagnostic trouble code chart

Diagnostic trouble code chart

Location

Location

Terminals of ecu

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    Cruise control
    Preparation Sst Recomended tools Equipment ...

    Inspection procedure
    1 Check courtesy lamp switch Check the courtesy switch, as shown in the illustration and table. Standard: 2 Check wire harness (integration relay  door courtesy sw) Disconnect the integration relay and door courtesy connectors.  check the continuity between th ...

    Symptom simulation
    Hint: the most difficult case in troubleshooting is when no symptoms occurs. In such cases, a thorough customer problem analysis must be carried out. Then the same or similar conditions and environment in which the problem occurred in the customer’s vehicle should be simulated. No matter ho ...