Toyota Corolla (E120): Inspection procedure

1 Inspect skid control ecu connector(+bs terminal voltage)

  1. Disconnect the skid control ecu connector.
  2.  measure the voltage between terminals +bs (2) and gnd (1, 23) of skid control ecu harness side connector.

    Voltage: 10 – 14 v

2 Reconfirm dtc

2 Reconfirm dtc

  1. Check the dtc .

    Ok : normal code

3 Inspect contact condition

3 Inspect contact condition

  1. Inspect the condition of the each connector from engine room r/b to skid control ecu.

Check and replace brake actuator assy

Check and replace brake actuator assy

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    Monitor description
    While the engine is being cranked, the battery positive voltage is applied to terminal sta of the ecm. If the ecm detects the starter control signal (sta) while the vehicle is driving, it will conclude that there is a fault in the starter control circuit. The ecm will turn on the mil and a d ...

    Inspection procedure
    Hint: the switch described in this text is a switch for transmitting signals which is built in the door control transmitter. 1 Check wireless door lock control functions Normal 2 Replace transmitter battery with normal one After replacing the transmitter battery with a new or normal o ...

    Definition of terms
    Term Definition Monitor description Description of what the ecm monitors and how it detects malfunction (monitoring purpose and its details). Related dtcs Diagnostic code Typical enabling condition Preconditions that allow the ecm to detect m ...