DTC P0942:46/P0942:49 [DSC HU/CM]
id040262893600
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DTC
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P0942:46
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DSC HU/CM mismatched installation
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P0942:49
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DETECTION CONDITION
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• No match between DSC CM ID and DSC HU ID detected
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FAIL-SAFE FUNCTION
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Refer to DTC TABLE. (See DTC TABLE [DSC HU/CM].)
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POSSIBLE CAUSE
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• DSC CM ID and DSC HU ID do not match (DSC HU/CM internal malfunction)
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SYSTEM WIRING DIAGRAM
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—
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Diagnostic Procedure
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Step |
Inspection |
Action |
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1
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VERIFY DSC HU/CM DTC
• Using the M-MDS, clear the DTC from the DSC HU/CM.
(See CLEARING DTC [DSC HU/CM].)
• Start the engine and drive the vehicle at 10 km/h {6.2 mph} or more.
• Using the M-MDS, perform the DSC HU/CM DTC inspection.
(See DTC INSPECTION [DSC HU/CM].)
• Are any DTCs 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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2
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VERIFY NO DTC IS PRESENT
• Are any DTCs present?
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Yes
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Go to applicable DTC inspection.
(See DTC TABLE [DSC HU/CM].)
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No
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DTC troubleshooting completed.
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