DTC C1095, C1096 [DYNAMIC STABILITY CONTROL (DSC)]
id0402b2805900
DTC
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C1095, C1096
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Pump motor, motor relay system
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DETECTION CONDITION
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• C1095
• C1096
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POSSIBLE CAUSE
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• ABS 40A fuse malfunction
• Open or short to ground circuit in the wiring harness between the battery and the DSC HU/CM terminal B
• Open circuit in the wiring harness between the DSC HU/CM terminal A and the body ground
• Open or short circuit in the DSC HU/CM internal motor relay, or stuck motor relay
• Open or short circuit in the DSC HU/CM internal motor, or frozen motor
• Poor connection at connectors (female terminal)
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Diagnostic procedure
STEP |
INSPECTION |
ACTION |
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1
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INSPECT FUSE CONDITION
• Is the ABS 40A fuse normal?
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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 fuse, then go to Step 5.
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2
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INSPECT MOTOR RELAY POWER SUPPLY FOR OPEN CIRCUIT
• Turn the ignition switch to the LOCK position.
• Disconnect DSC HU/CM connector.
• Turn the ignition switch to the ON position (engine off).
• Measure voltage between DSC HU/CM terminal B (harness-side) and ground.
• Is the voltage B+?
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Yes
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Go to the next step.
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No
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Repair or replace the wiring harness for open circuit between battery positive terminal and DSC HU/CM terminal B, then go to Step 5.
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3
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INSPECT PUMP MOTOR GROUND FOR OPEN CIRCUIT
• Turn the ignition switch to the LOCK position.
• Inspect for continuity between DSC HU/CM terminal A (harness-side) and ground.
• Is there continuity?
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Yes
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Go to the next step.
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No
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Repair or replace the wiring harness for open circuit between DSC HU/CM terminal A and ground, then go to Step 5.
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4
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VERIFY PUMP MOTOR OPERATION
• Turn the ignition switch to the LOCK position.
• Connect the M-MDS to the DLC-2.
• Turn the ignition switch to the ON position (engine off).
• Access PMP_MOTOR active command modes using M-MDS.
• Does the pump motor 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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5
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VERIFY TROUBLESHOOTING COMPLETED
• Make sure to reconnect all disconnected connectors.
• 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 the vehicle.
• Is the same DTC present?
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Yes
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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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6
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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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