DTC B1317 [AUTO LIGHT/WIPER CONTROL MODULE]
id0902j1830900
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Description |
Auto light/wiper control module power supply voltage high input |
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Detection condition
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• Auto light/wiper control module power supply voltage from the battery is excessively high.
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Possible cause
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• PCM DTC is stored.
• Battery malfunction
• Generator malfunction
• Auto light/wiper 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
• Retrieve the PCM DTCs using the M-MDS.
• Are any DTCs displayed?
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Yes
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Repair or replace the malfunctioning part according to the applicable DTC troubleshooting.
(See DTC TABLE [MZI-3.7].)
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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 [MZI-3.7].)
• Is there any malfunction?
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Yes
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Replace the battery, then go to Step 4.
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No
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Go to the next step.
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3
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INSPECT GENERATOR
• Inspect the generator.
• Is there any malfunction?
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Yes
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Replace the generator, 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 DTC TROUBLESHOOTING COMPLETED
• Clear the DTC for the auto light/wiper control module using the M-MDS.
• Retrieve the auto light/wiper 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 light/wiper control module.
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 or replace 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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