Toyota Corolla (E120): Circuit description

This solenoid goes on when signals are received from the ecu and controls the pressure acting on the wheel cylinders thus controlling the braking force.

Wiring diagram

Wiring diagram

Inspection procedure

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    Inspection procedure
    Hint: read freeze frame data using the hand-held tester or the obd ii scan tool. Freeze frame data records the engine conditions when a malfunction is detected. When troubleshooting, it is useful for determining whether the vehicle was running or stopped, the engine was warmed up or not, the ...

    Using the audio system
    Optimal use of the audio system Sound quality (treble/bass) and volume balance can be adjusted. 1 Displays the current mode 2 Changes the following setting • Sound quality and volume balance  The sound quality and balance setting can be changed to produce the best sound. • Automatic ...

    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, ...