Headlamps, checking with Output Diagnostic Test Mode (DTM)

Headlamp function (including turn signals and parking light) can be checked via output Diagnostic Test Mode (DTM) of Vehicle Electrical System Control Module J519.

• Connect Vehicle Diagnosis, Testing and Information System VAS 5051/5052 → VAS 5051 / 5052  under Vehicle Diagnostic, Testing and Information System VAS 5051 / 5052, onnecting 
• Select operating mode "Guided Fault Finding"
• Enter information as prompted and press ">" to confirm.

After the DTC memory of all control modules has been checked:

• Use "Go to" button to select "Function / Component Selection"
• Select "Body (Repair Group 01; 27; 50-97)"
• Select "Electrical system int/ext (Repair Group 01; 27; 90-97)"
• Select "01 - Self-diagnosis"

• Select "Vehicle Electrical System Control Module"
• Select "Vehicle Electrical System Control Module functions"
• Select "J519 - output DTM, sequential (Repair Group 97)"
• Press ">" to confirm.

• Select "1 - Output Diagnostic Test Mode (DTM) for an individual component"
• Search and select appropriate light or switch component from menu, or
• Select "2 - Output Diagnostic Test Mode (DTM) for all actuators"
• Follow tester prompts