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Mazda
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2021
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3 Premium, 4D Hatchback, FWD, Standard Trans
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Repair and Diagnosis (Single Page)
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Accessories & Equipment
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Headlights
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On-Board Diagnostic - Adaptive Front Lighting System Control Module
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DTC U212A-87: Communication Error With Light Control Module (LH) [Adaptive Front Lighting System (AFS) Control Module]
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Diagnostic Procedure
July 1:
So it begins
. Don't worry, this is not in the correct legal jurisdiction!
Diagnostic Procedure
Perform an inspection in accordance with the multiplex communication system diagnostic procedure. (See
CONTROLLER AREA NETWORK (CAN) MALFUNCTION DIAGNOSIS FLOW (US)
.)