B2504
COMPONENT DIAGNOSISB2503, B2504 SWIVEL ACTUATOR
Description
SWIVEL ACTUATOR
The swivel actuator is installed in the headlamp unit. The swivel actuator consists of the swivel motor and the swivel position sensor.
SWIVEL MOTOR
- The swivel motor is the two-phase step motor.
- The swivel motor drives headlamp by exciting the two drive coils according to the drive signal from AFS control unit.
- The rotation direction of the swivel motor is changeable by changing the exciting pattern.
SWIVEL POSITION SENSOR
The swivel position sensor detects the headlamp swivel angle to transmit the swivel position sensor signal to AFS control unit.
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
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Diagnosis Procedure
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Component Inspection
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