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 Check d squib circuit(airbag sensor assy center – horn button assy) Disconnect the negative (–) terminal cable from the battery, and wait at least for 90 seconds.  disconnect the connectors between the airbag sensor assy center and the horn button assy.  for the oran ...

    Replacement
    Hint: components: 1. Precaution 2. Disconnect battery negative terminal 3. Remove parking brake hole cover sub–assy 4. Remove floor shift shift lever knob sub–assy (m/t transaxle) 5. Remove shifting hole cover sub–assy (m/t transaxle) 6. Remove console panel upper 7. Remove conso ...

    Circuit description
    The vapor pressure sensor and the vsv for the canister closed valve (ccv) are used to detect abnormalities in the evaporative emission control system. The ecm decides whether there is an abnormality in the evaporative emission control system based on the vapor pressure sensor signal. Dtc p0 ...