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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    General information
    There are many ecu controlled systems used in the corolla. In general, ecu controlled system are considered to be very intricate and require a high level of technical knowledge and expert skill to troubleshoot. The fact is, however, that if you proceed by inspecting the circuits one by one, ...

    Replacement
    1. Drain brake fluid Notice: wash the brake fluid off immediately if it comes into contact with any painted surface. 2. Remove front wheel rh 3. Remove front fender liner rh 4. Remove brake actuator with bracket  turn the latch of the actuator connector to disconnect the connector. ...

    Circuit description
    Monitor description The ecm commands gearshift by turning the shift solenoid valves ”on/off”. When there is an open or short circuit in any shift solenoid valve circuit, the ecm detects the problem and the mil comes on. Illuminating the mil, the ecm performs the fail–safe and turns ...