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Scantool Diagnostics





Adaptive Front Lighting System

B1639 LIN communication error DBL left - Scantool Diagnostics

Monitor Scantool Data

1. Connect scan tool to data link connector (DLC).
2. Engine "ON".
3. Monitor the "Main function activation status, HLL position, DBL position" parameter on the scan-tool.
4. Check the operation of "HLL position and DBL position" use Actuation test.












Fig 1) Engine "ON"
Fig 2) Actuation Test - DBL RIGHT POSITION
Fig 3) Actuation Test - DBL LEFT POSITION
5. Is parameter displayed within specifications?