DTC U3003:17 [REAR VEHICLE MONITORING SYSTEM]
id0902z2888700
System malfunction location |
Rear vehicle monitoring control module (RH) high power supply voltage input |
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Detection condition
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• Power supply circuit voltage of 16 V or more is detected in rear vehicle monitoring control module (RH) for 1 s or more.
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Fail-safe
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• Inhibits the rear vehicle monitoring system.
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Possible cause
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• DTCs are stored in the PCM.
• Battery malfunction
• Generator malfunction
• Rear vehicle monitoring control module (RH) malfunction
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System wiring diagram
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Diagnostic Procedure
Step |
Inspection |
Action |
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1
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VERIFY PCM DTCs
• Perform the DTC inspection for the PCM using the M-MDS.
• Is the DTC displayed?
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Yes
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Repair the malfunctioning part according to the applicable DTC troubleshooting.
(See DTC TABLE [SKYACTIV-D 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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INSPECT BATTERY
• Inspect the battery.
• Is the battery 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 battery, then go to Step 4.
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3
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INSPECT GENERATOR
• Inspect the generator.
• Is the generator 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 generator, then go to the next step.
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4
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VERIFY THAT REPAIRS HAVE BEEN COMPLETED
• Clear the DTC for the rear vehicle monitoring control module using the M-MDS.
• Switch the ignition ON (engine off or on) and wait for 1.5 s or more.
• Perform the DTC inspection for the rear vehicle monitoring control module using the M-MDS.
• Is DTC U3003:17 displayed?
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Yes
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Repeat the inspection from Step 1.
• If the malfunction recurs, replace the rear vehicle monitoring control module (RH), then go to the next step.
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No
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Go to the next step.
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5
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VERIFY IF OTHER DTCs DISPLAYED
• Are any other DTCs displayed?
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Yes
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Repair the malfunctioning part according to the applicable DTC troubleshooting.
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No
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DTC troubleshooting completed.
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