2009 Toyota Corolla S, 1.8 U, StandardFACTORY OEM SERVICE PROCEDURE

Fail-Safe Chart

  1. FAIL SAFE OPERATION 
    • If there is a problem with sensor signals or the brake actuator system, the skid control ECU will prohibit power supply to the brake actuator and terminate ABS control.

      ABS control will be prohibited, but EBD control will continue to the extent that EBD control is possible. If EBD control is impossible, the brake warning light will come on to warn the driver (See DIAGNOSIS SYSTEM ).

    • If an ABS system component malfunctions before ABS control begins, ABS control will be prohibited. If an ABS system component malfunctions during ABS control, the system will gradually stop performing the control so as not to trigger a sudden change in vehicle operation.

      If it is impossible to control the systems, the warning light will come on to inform the driver of system control termination (See DIAGNOSIS SYSTEM ).

    FAIL-SAFE CHART

    Malfunctioning Area Control Method
    ABS system ABS control prohibited
    EBD system ABS and EBD control prohibited
Chapter Navigation
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Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.