DTC C0001:01/C0002:01/C0003:01/C0004:01/C0010:01/C0011:01/C0014:01/C0015:01/C0018:01/C0019:01/C001C:01/C001D:01 [DYNAMIC STABILITY CONTROL (DSC)]
id0402b2878200
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DTC
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C0001:01, C0002:01
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Traction control solenoid valve system
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C0003:01, C0004:01
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Stability control solenoid valve system
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C0010:01
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LF inlet solenoid valve system
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C0011:01
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LF outlet solenoid valve system
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C0014:01
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RF inlet solenoid valve system
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C0015:01
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RF outlet solenoid valve system
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C0018:01
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LR inlet solenoid valve system
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C0019:01
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LR outlet solenoid valve system
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C001C:01
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RR inlet solenoid valve system
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C001D:01
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RR outlet solenoid valve system
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DETECTION CONDITION
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• Malfunction detected in the DSC HU/CM solenoid valve or internal circuit by the DSC HU/CM on-board diagnostic function
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FAIL-SAFE FUNCTION
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• Illuminates the ABS warning light, brake system warning light, TCS/DSC indicator light, Mazda Radar Cruise Control (MRCC) warning light*1, and Smart Brake Support/Smart City Brake Support (SBS/SCBS) indicator light (amber)*1.
• Inhibits the ABS, EBD, TCS, DSC, brake assist control, vehicle roll prevention function*1, Hill Launch Assist (HLA), Secondary Collision Reduction (SCR)*1, Mazda Radar Cruise Control (MRCC)*1, Smart Brake Support (SBS)*1, and Smart City Brake Support (SCBS)*1 controls.
*1: If equipped.
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POSSIBLE CAUSE
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• Open or short circuit in the DSC HU/CM internal solenoid valves
• Solenoid valve malfunction
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SYSTEM WIRING DIAGRAM
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Not applicable
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Diagnostic procedure
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STEP |
INSPECTION |
ACTION |
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1
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VERIFY SOLENOID VALVE OPERATION
• Switch the ignition to off.
• Connect the M-MDS to the DLC-2.
• Switch the ignition ON (engine off).
• Access the active command mode for the solenoid valve using the M-MDS.
• Does the solenoid valve operate?
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Yes
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Go to the next step.
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No
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Replace the DSC HU/CM, then go to the next step.
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2
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VERIFY DTC TROUBLESHOOTING COMPLETED
• Clear the DTC from the memory.
• 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?
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Yes
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Repeat the inspection from Step 1.
If the malfunction recurs, replace the DSC HU/CM, then go to the next step.
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No
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Go to the next step.
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3
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VERIFY AFTER REPAIR PROCEDURE
• Are any other DTCs present?
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Yes
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Go to the applicable DTC inspection.
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No
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DTC troubleshooting completed.
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