DTC C1109:64 [DYNAMIC STABILITY CONTROL (DSC)]


id0402b2878700

DTC
C1109:64
DSC OFF switch
DETECTION CONDITION
•  An error is detected for the voltage to the DSC OFF switch
POSSIBLE CAUSE
•  Short to ground in the wiring harness between DSC OFF switch and DSC HU/CM terminal AA
•  DSC OFF switch malfunction
•  Poor connection at connectors (female terminal)

Diagnostic procedure

STEP

INSPECTION

ACTION

1
INSPECT DSC OFF SWITCH SIGNAL CIRCUIT FOR SHORT TO GROUND
•  Turn the ignition switch to the LOCK position.
•  Disconnect the DSC HU/CM connector.
•  Inspect for continuity between DSC HU/CM connector (vehicle harness-side) terminal AA and body ground.
•  Is there continuity?
Yes
Repair or replace the wiring harness, then go to Step 3.
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 THAT THE SAME DTC IS NOT PRESENT
•  Reconnect all disconnected connectors.
•  Clear the DTCs from the memory.
•  Are the same DTCs present?
Yes
Repeat the inspection from Step 1.
If the malfunction recurs, replace the DSC CM, then go to the next step.
No
Go to the next step.
4
VERIFY THAT NO OTHER DTCS ARE PRESENT
•  Are any other DTCs output?
Yes
Go to the applicable DTC inspection.
No
DTC troubleshooting completed.