DTC U3003:17 [AUTO LEVELING CONTROL MODULE]
id090277935300
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Description |
Auto leveling control module high power supply voltage input |
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Detection condition
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• Auto leveling control module power supply circuit voltage of 18.1 V or more is detected for 5 s or more with the ignition switched ON (engine off or on).
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Fail-safe
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• The headlight leveling actuator is stopped at the position when the malfunction is determined.
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Possible cause
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• DTCs are stored in the PCM.
• Battery malfunction
• Generator malfunction
• Auto leveling control module 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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VERIFY PCM DTCs
• Retrieve the PCM DTCs 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.
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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.
(See BATTERY INSPECTION.)
• 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.
(See BATTERY REMOVAL/INSTALLATION.)
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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 auto leveling control module DTCs using the M-MDS.
• Switch the ignition ON (engine off or on) and wait for 5 s or more.
• Retrieve the auto leveling control module DTCs using the M-MDS.
• Is the same DTC displayed?
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Yes
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Repeat the inspection from Step 1.
• If the malfunction recurs, replace the auto leveling 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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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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