Toyota Corolla (E120): Location

Problem symptoms table

Problem symptoms table

Inspection

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    Overhaul
    Caution: wear the gloves, because the cutting surface of the seat back frame and seat adjuster may injure your hand. Hint: tape the screwdriver tip before use when prying parts. 1. Disconnect battery negative terminal Caution: wait for 90 seconds after disconnecting the battery terminal a ...

    Inspection procedure
    1 Check un–lock warning switch assy Disconnect the key unlock warning switch connector.  check the continuity between the terminals of the key unlock warning switch connector, as shown in the illustration and table. Standard: 2 Check wire harness (tvip ecu unlock warni ...

    General information
    There are many ecu controlled systems used in the corolla. In general, ecu controlled system are considered to be very intricate and require a high level of technical knowledge and expert skill to troubleshoot. The fact is, however, that if you proceed by inspecting the circuits one by one, ...