DTC C1093


BHE040243000W18

DTC

C1093

DSC OFF switch

DETECTION CONDITION

• Continuous ON signal from the DSC OFF switch for 5 s or more is detected.

POSSIBLE CAUSE

• The driver pressed and held the DSC OFF switch for 5 s or more.
• Short to ground in the wiring harness between the DSC HU/CM terminal AP and the DSC OFF switch terminal C
• DSC OFF switch malfunction

Diagnostic procedure

STEP

INSPECTION

ACTION

1

INSPECT DSC HU/CM TO DSC OFF SWITCH FOR SHORT TO GROUND

• Turn the ignition switch off.
• Disconnect DSC HU/CM and DSC OFF switch connector.
• Inspect for continuity between the DSC HU/CM terminal AP and ground.
• Is there continuity?
Yes
Repair or replace the wiring harness for short to ground between DSC HU/CM terminal AP and DSC OFF switch terminal C, then go to the next step.
No
Go to the next step.
2

INSPECT DSC OFF SWITCH

• Inspect the DSC OFF switch.
• Is the DSC OFF switch normal?
Yes
Go to the next step.
No
Replace the DSC OFF switch, then go to the next step.
3

VERIFY TROUBLESHOOTING COMPLETED

• Make sure to reconnect all disconnected connectors.
• Clear the DTC from the memory.
• Is the same DTC present?
Yes
Replace the DSC HU/CM, then go to the next step.
No
Go to the next step.
4

VERIFY AFTER REPAIR PROCEDURE

• Are any other DTCs present?
Yes
Go to the applicable DTC inspection.
(See DTC Table.)
No
DTC troubleshooting completed.