LEMON Manuals
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DTC B3410: Automatic Headlamp Leveling Control Module Front Axle Sensor Signal Circuit or B3420: Automatic Headlamp Leveling Control Module Rear Axle Sensor Signal Circuit
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Diagnostic Instructions
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Diagnostic Instructions
Perform the
DIAGNOSTIC SYSTEM CHECK - VEHICLE
prior to using this diagnostic procedure.
DIAGNOSTIC PROCEDURE INSTRUCTIONS
has overviews of all diagnostic categories.