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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    Inspection procedure
    1 Inspect stop lamp switch assy 2 Check harness and connector(stop lamp switch assy – ecm)   Install the stop lamp switch assy.  disconnect the ecm connector.  measure the voltage according to the value(s) in the table below when the brake pedal is depressed and rele ...

    Horn
    To sound the horn, press on or close to the mark. CAUTION ■Caution while driving Do not adjust the steering wheel while driving. Doing so may cause the driver to mishandle the vehicle and cause an accident, resulting in death or serious injury. ■After adjusting the steering wh ...

    Circuit description
    Refer to dtc p0335 Dtc no. Dtc detection condition Trouble area P0016 Deviation in crankshaft position sensor signal and camshaft position sensor signal (2 trip detection logic) Mechanical system (timing chain has jumped a tooth, chain stretch ...