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2008 - MX-5 - Brakes

DTC C1194, C1198, C1210, C1214, C1242, C1246, C1250, C1254 [ABS]



DTC

C 1194

C 1198

C 1210

C 1214

C 1242

C 1246

C 1250

C 1254

LF outlet solenoid valve system

LF inlet solenoid valve system

RF outlet solenoid valve system

RF inlet solenoid valve system

LR outlet solenoid valve system

RR outlet solenoid valve system

LR inlet solenoid valve system

RR inlet solenoid valve system

DETECTION CONDITION

  • Solenoid valve operation does not correspond to solenoid ON/OFF commands from the ABS HU/CM.

POSSIBLE CAUSE

  • Open or short circuit in the ABS HU/CM internal solenoid valves

  • Solenoid valve malfunction

  • Poor connection at connectors (female terminal)


Diagnostic procedure

STEP

INSPECTION

ACTION

1

VERIFY SOLENOID VALVE OPERATION
  • Turn the ignition switch off.

  • Connect the M-MDS to the DLC-2.

  • Turn the ignition switch to the ON position (engine off).

  • Access the active command mode for the solenoid valve using the M-MDS.

  • Does the solenoid valve operate?

Yes

Go to the next step.

No

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

(See ABS HU/CM REMOVAL/INSTALLATION.)

2

VERIFY DTC TROUBLESHOOTING COMPLETED
  • Clear the DTC from the memory.

    (See ON-BOARD DIAGNOSIS[ABS].)

  • Start the engine and drive the vehicle at 10 km/h {6.2 mph} or more.

  • Gradually slow down and stop vehicle.

  • Are the same DTCs present?

Yes

Repeat the inspection from Step 1.

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

(See ABS HU/CM REMOVAL/INSTALLATION.)

No

Go to the next step.

3

VERIFY AFTER REPAIR PROCEDURE
  • Are any other DTCs present?

Yes

Go to the applicable DTC inspection.

(See ON-BOARD DIAGNOSIS[ABS].)

No

DTC troubleshooting completed.




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