Toyota Corolla (E120): Circuit description

The integration relay receives a switch signal from the master switch, door lock control switch or the driver’s door key and then drives the door lock motor.

Wiring diagram

Inspection procedure

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    Replacement
    Hint: components: 1. Remove floor shift shift lever knob sub–assy 2. Remove console panel upper 3. Remove parking brake hole cover sub–assy 4. Remove console box sub–assy rear 5. Separate floor shift cable transmission control shift Separate the end of the shift cable from the ...

    Terminals of ecu
    1. Inspect integration relay Disconnect the connector and check the continuity of each terminal of the disconnected connector. Standard : If the result is not as specified, the vehicle’s side may malfunction. Reconnect the connector and check each terminal. Standard: If ...

    Adjustment
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