Toyota Corolla (E120): Circuit description

Hint:

Hint

: there is a case that hand–held tester cannot be used when ecu is abnormal.

Wiring diagram

Inspection procedure

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    Audio & visual system
    Preparation Sst Recomended tools Equipment ...

    Interior
    SRS airbags Floor mats Front seats Head restraints Seat belts Console box Inside lock buttons Cup holders Rear seats Rear seat heater switches* *: If equipped ■Ceiling Inside rear view mirror Sun visors Vanity mirrors Vanity lights* Interior lights/personal lights Moon roof sw ...

    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 ...