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DTC U2300:54/U2300:55/U2300:56/U2300:64 [DSC HU/CM]

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2016 – MX-5 – Brakes

DTC U2300:54/U2300:55/U2300:56/U2300:64 [DSC HU/CM]

DTC

U2300:54

Configuration

U2300:55

U2300:56

U2300:64

DETECTION CONDITION

  • Configuration error is detected.

FAIL-SAFE FUNCTION

POSSIBLE CAUSE

  • Configuration procedure is not done properly

  • Correct data cannot be received from instrument cluster

  • Another vehicles control modules (instrument cluster, PCM, DSC HU/CM) been installed

SYSTEM WIRING DIAGRAM

Diagnostic Procedure

Step

Inspection

Action

1

RECORD CONFIGURATION DATA

  • Switch the ignition OFF.

  • Switch the ignition ON (engine off), and maintain this condition for approx. 10 s or more.

  • Switch the ignition OFF, and maintain this condition for approx. 3 s or more.

  • Switch the ignition ON (engine off), and maintain this condition for approx. 3 s or more.

Go to the next step.

2

VERIFY DSC HU/CM DTC

Yes

Repeat the inspection from Step1.

If the malfunction recurs, go to the next step.

No

Go to Step6.

3

VERIFY IF PARTS FROM ANOTHER VEHICLE INSTALLED TO INSTRUMENT CLUSTER, PCM OR DSC HU/CM

  • Verify if an instrument cluster, PCM or DSC HU/CM from another vehicle is installed.

  • Has an instrument cluster, PCM, DSC HU/CM or other vehicle part been installed to vehicle?

Yes

Install the correct instrument cluster, PCM or DSC HU/CM, then go to Step1.

(See INSTRUMENT CLUSTER REMOVAL/INSTALLATION.)

(See PCM REMOVAL/INSTALLATION [SKYACTIV-G 2.0].)

(See DSC HU/CM REMOVAL/INSTALLATION.)

No

Go to the next step.

4

VERIFY INSTRUMENT CLUSTER AND PCM DTC

Yes

Go to the applicable DTC inspection.

(See DTC TABLE [INSTRUMENT CLUSTER].)

(See DTC TABLE [PCM (SKYACTIV-G 2.0)].)

DTC troubleshooting completed, then go to the next step.

No

Go to the next step.

5

VERIFY DSC HU/CM DTC

Yes

Repeat the inspection from Step1.

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.

6

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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