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
    1 Check seat position air bag sensor Sst 09843–18040 Turn the ignition switch to on, and wait at least for 20 seconds.  clear the dtc stored in memory .  turn the ignition switch to lock, and wait at least for 20 seconds.  turn the ignition switch to on, and wait at ...

    Diagnostics
    Preparation Sst 09816–30010 Oil pressure switch socket Sfi system 09843–18040 Diagnosis check wire no.2 Sfi system supplemental restraint system Recomended tools 09082–00040 Toyota electrical tester Sfi system supplemen ...

    Replacement
    Hint: components: 1. Discharge refrigerant from refrigeration system sst 07110–58060 (07117–58080, 07117–58090, 07117–78050, 07117–88060, 07117–88070, 07117–88080) 2. Disconnect cooler refrigerant suction hose no.1   Remove the bolt and disconnect the cooler refriger ...