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DTC C0044:01/C0044:28/C0044:49/C0044:54 [DSC HU/CM]

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2016 – MX-5 – Brakes

DTC C0044:01/C0044:28/C0044:49/C0044:54 [DSC HU/CM]

DTC

C0044:01

Brake fluid pressure sensor

C0044:28

C0044:49

C0044:54

DETECTION CONDITION

  • C0044:01

    • Brake fluid pressure sensor voltage outside of specified value.

  • C0044:28

    • Brake fluid pressure sensor pressure outside of specified value.

  • C0044:49

    • Brake fluid pressure sensor signal outside of specified value.

  • C0044:54

    • No brake fluid pressure sensor initialization is detected.

FAIL-SAFE FUNCTION

POSSIBLE CAUSE

  • The initialization procedure for the brake fluid pressure sensor has not been performed

  • Brake fluid pressure sensor malfunction

SYSTEM WIRING DIAGRAM

Diagnostic Procedure

Step

Inspection

Action

1

VERIFY BRAKE FLUID PRESSURE SENSOR INITIALIZATION

  • Has the brake fluid pressure sensor initialization procedure been performed?

Yes

Go to the next step.

No

Perform the brake fluid pressure sensor initialization procedure, then go to the next step.

(See DSC RELATED PARTS SENSOR INITIALIZATION PROCEDURE.)

2

VERIFY DTC TROUBLESHOOTING COMPLETED

Yes

Replace the DSC HU/CM, then go to the next step.

(See DSC HU/CM REMOVAL/INSTALLATION.)

No

Go to the next step.

3

VERIFY NO DTC IS PRESENT

  • Are any DTCs present?

Yes

Go to the applicable DTC inspection.

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

No

DTC troubleshooting completed.

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