Toyota Corolla (E120): Circuit description

The abs motor relay supplies power to the abs pump motor. While the abs is activated, the ecu switches the motor relay on and operates the abs pump motor.

Wiring diagram

Wiring diagram

Inspection procedure

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    Transmitter battery
    Replacement 1. Replace transmitter battery Notice: special caution should be taken for handling each component as they are precision electronic components. Using a screwdriver, pry out the transmitter case. Notice: do not forcibly pry out the case. Hint: tape the screwdriver tip ...

    Inspection procedure
    Hint: if different dtcs related to different systems that have terminal e2 as the ground terminal are output simultaneously, terminal e2 may be open. If dtc p0441 (purge flow), p0446 (vsv for ccv), p0451, p0452 or p0453 (evaporative pressure sensor) is output with dtc p0442 or p0456, ...

    Customer problem analysis
    Hint: in troubleshooting, the problem symptoms must be confirmed accurately, meaning that all preconceptions must be set aside in order to make an accurate judgement. To ascertain what the problem symptoms are, it is extremely important to ask the customer about the problem and cond ...