Diagnostic procedure
STEP
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INSPECTION
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ACTION
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---|---|---|---|
1
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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?
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Yes
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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.
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No
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Go to the next step.
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||
2
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INSPECT DSC OFF SWITCH
• Inspect the DSC OFF switch.
(See DSC OFF SWITCH INSPECTION.)
• Is the DSC OFF switch 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 DSC OFF switch, then go to the next step.
|
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3
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VERIFY TROUBLESHOOTING COMPLETED
• Make sure to reconnect all disconnected connectors.
• Clear the DTC from the memory.
(See Clearing DTCs Procedures.)
• Is the same DTC present?
|
Yes
|
Replace the DSC HU/CM, then go to the next step.
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No
|
Go to the next step.
|
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4
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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.
(See DTC Table.)
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No
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DTC troubleshooting completed.
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