Toyota Corolla (E120): Circuit description

Wiring diagram

Wiring diagram

Inspection procedure

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    On–vehicle inspection
    1. Inspect speedometer  check the operation. Using a speedometer tester, inspect the speedometer fro allowable indication error and check the operation of the odometer. Reference: Notice: tire wear and tire over or under inflation will increase the indication error. ...

    Terminals of ecu
    1. Inspect integration relay Disconnect the connector from the integration relay. check the continuity between each terminal of the disconnected connector and the body ground, as shown in the illustration and table. Standard: If the result is not as specified, the vehicle’s ...

    Receiving a phone call
    Answering the phone Press the off-hook switch. Refusing a call Press the on-hook switch. Receiving a call when on another call Press the off-hook switch. Pressing the off-hook switch again returns you to the previous call. Adjusting the ringtone volume when receiving a call Change the ringto ...