Jetta Sedan L5-2.5L (BGP) (2005)
Interior Lighting Module: Testing and Inspection
Checking With Output Diagnostic Test Mode (DTM)
Lights, Switches - Interior, Anti-theft, Checking With Output Diagnostic Test Mode (DTM)
The function of many interior lights can be checked via output Diagnostic Test Mode (DTM) of Vehicle Electrical System Control Module J519.
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Connect Vehicle Diagnosis, Testing and Information System VAS 5051/5052
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Select operating mode "Guided Fault Finding"
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Enter information as prompted and press ">" to confirm.
After the DTC memory of all control modules has been checked:
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Use "Go to" button to select "Function / Component Selection"
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Select "Body"
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Select "Electrical system int/ext"
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Select "01 - Self-diagnosis"
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Select "Vehicle Electrical System Control Module"
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Select "Vehicle Electrical System Control Module functions"
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Select "J519 - output DTM, sequential"
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Press ">" to confirm.
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Select "1 - Output Diagnostic Test Mode (DTM) for an individual component"
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Search and select appropriate light or switch component from menu, or
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Select "2 - Output Diagnostic Test Mode (DTM) for all actuators"
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Follow tester prompts