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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    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 ...

    Inspection procedure
    1 Inspect shift solenoid valve(s1) Remove the shift solenoid valve s1. measure the resistance according to the value(s) in the table below. Standard: Connect the positive (+) battery lead to the solenoid connector terminal, and the negative (–) battery lead to the solenoid ...

    Meter display
    ■ Locations of gauges and meters The units of measure may differ depending on the intended destination of the vehicle. Tachometer Displays the engine speed in revolutions per minute Outside temperature Displays the outside temperature within the range of -40ºF (-40ºC) to 140ºF (60ºC) ...