DTC U0420:00 [DYNAMIC STABILITY CONTROL (DSC)]
id0402b2905000
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DTC
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U0420:00
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Abnormal message from EPS CM
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DETECTION CONDITION
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• Correct data cannot be received from EPS CM
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FAIL-SAFE FUNCTION
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Refer to “DTC Table” and “Fail-safe function table”. (See DTC TABLE [DYNAMIC STABILITY CONTROL (DSC)].)
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POSSIBLE CAUSE
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• EPS CM malfunction
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SYSTEM WIRING DIAGRAM
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Not applicable
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Diagnostic procedure
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STEP |
INSPECTION |
ACTION |
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1
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INSPECT FOR EPS CM MALFUNCTION
• Switch the ignition to off.
• Using the M-MDS, perform the DTC inspection for the EPS CM.
• Are any DTCs detected?
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Yes
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Go to applicable DTC inspection.
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No
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Go to the next step.
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2
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VERIFY THAT THE SAME DTC IS NOT PRESENT
• Clear the DTCs from the memory.
• Are the same DTCs present?
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Yes
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Repeat the inspection from Step 1.
If the malfunction recurs, replace the EPS 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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3
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VERIFY THAT NO OTHER DTCS ARE PRESENT
• Are any other DTCs output?
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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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