DTC

C0040:64

Brake switch

DETECTION CONDITION

• Accelerator pedal is depressed and brake switch on condition continues for 30 to 60 s while vehicle is driven at 10.8 km/h {6.71 mph} or more.

• A brake switch ON signal is not input when the brake fluid pressure sensor signal reaches the specified value.

FAIL-SAFE FUNCTION

• Refer to “Fail-safe function table”. (See DTC TABLE [DSC HU/CM].)

POSSIBLE CAUSE

• Brake switch malfunction

• Poor connection at each connector

• DSC HU/CM malfunction

SYSTEM WIRING DIAGRAM

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Step

Inspection

Action

1

• Inspect the brake switch.

  (See BRAKE SWITCH INSPECTION.)

• Is the brake switch normal?

Yes

Go to the next step.

No

Replace the brake switch, then go to the next step.

(See BRAKE PEDAL REMOVAL/INSTALLATION.)

2

• Using the M-MDS, clear the DTC from the DSC HU/CM.

  (See CLEARING DTC [DSC HU/CM].)

• Using the M-MDS, perform the DSC HU/CM DTC inspection.

  (See DTC INSPECTION [DSC HU/CM].)

• Is the same DTC present?

Yes

If the malfunction recurs, replace the DSC HU/CM, then go to the next step.

(See DSC HU/CM REMOVAL/INSTALLATION.)

No

Go to the next step.

3

• Are any DTCs present?

Yes

Go to the applicable DTC inspection.

(See DTC TABLE [DSC HU/CM].)

No

DTC troubleshooting completed.