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Home >> Infiniti >> 2016 >> Q50 Base, RWD >> Repair and Diagnosis >> Accessories & Equipment >> Headlights >> Exterior Lighting System (DTC/Circuit Diagnosis) (Except Hybrid) >> DTC/Circuit Diagnosis >> DTC B2504: Swivel Actuator [LH] >> DTC Description >> DTC Detection Logic

DTC Detection Logic

DTC No. CONSULT screen terms
(Trouble diagnosis content)		 DTC detection condition
B2504 SWIVEL ACTUATOR [LH]
(Swivel actuator [Left hand])
  • Power supply voltage supplied to the swivel actuator LH is 17.5 V or more or 7.7 V or less and this condition continues for 5 seconds or more when the ignition switch is turned ON
  • Initialization incomplete status of the swivel actuator (LH) continues for 5 seconds or more when the swivel actuator is initialized
  • Swivel actuator (LH) does not complete swivel actuator initialization when the vehicle is driven
SWIVEL ACTUATOR [LH]
COMM ERROR
(Swivel actuator [Left hand] Communication error)		 LIN communication signal malfunction status between AFS control unit and the swivel actuator (LH) continues for 5 seconds or more when the ignition switch is turned ON
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