DTC U0401:68 [REAR VEHICLE MONITORING SYSTEM]
id0902z2885600
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DESCRIPTION |
Signal error from PCM |
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DETECTION CONDITION
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• Rear vehicle monitoring control module cannot receive the correct data from the PCM.
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POSSIBLE CAUSE
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• PCM malfunction
• Rear vehicle monitoring control module malfunction
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Diagnostic Procedure
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STEP |
INSPECTION |
ACTION |
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1
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VERIFY PCM DTCs
• Verify the PCM DTCs using the M-MDS.
• Are any DTCs present?
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Yes
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Go to the applicable DTC inspection.
(See DTC TABLE [MZR 2.0 DISI].)
(See DTC TABLE [MZR-CD 2.2].)
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No
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Go to the next step.
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2
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VERIFY PCM MALFUNCTION
• Clear the DTC from the rear vehicle monitoring control module using the M-MDS.
• Verify the rear vehicle monitoring system DTC using the M-MDS.
• Is the same DTC present?
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Yes
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Replace the PCM, then go to the next step.
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No
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Go to Step 4.
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3
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VERIFY TROUBLESHOOTING COMPLETED
• Clear the DTC from the rear vehicle monitoring control module using the M-MDS.
• Verify the rear vehicle monitoring system DTC using the M-MDS.
• Is the same DTC present?
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Yes
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Replace the rear vehicle monitoring control module, then go to the next step.
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No
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Go to the next step.
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4
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VERIFY THAT NO OTHER DTCs ARE PRESENT
• Are any DTCs present?
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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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