Kia Cee'd: Adaptive Front Lighting System / Repair procedures

Kia Cee'd JD Service Manual / Body Electrical System / Adaptive Front Lighting System / Repair procedures

Inspection

Initialization and diagnosis sequence by using diagnostic equipment

Below content summarize the procedure for A/S using Diagnostic equipment

Download Parameter

1.	Select "AFLS" menu after selecting a vehicle.

2.	Select "Parameter download" menu for define a characteristc of vehicle.

3.	Select the LHD/RHD and MT/AT option refer to the vehicle options.

4.	When "Parameter download" is done,display belows.

System Calibration

This menu is applied only if vehicle has a Steel suspension

1.	Select "AFLS" menu after selecting a vehicle.

2.	Select "Sensor initializing-Non ECS" if vehicle has a Steel suspension

3.	When "System calibration" is done,display belows.

4.	When "System calibration" is not done,display as belows.

Actuator Test

When it replace H/Lamp Unit, it necessarily check up by operating actuator test.

1.	Select "AFLS" menu after selecting a vehicle.

2.	Select "Actuator test"

3.	Select DBL or HLL test by using "Start" button.

4.	In case select DBL or HLL ACTUATOR DRIVE TO MAX POS(swivelling) In case select "Start" button : drive to max position right direction (15°) In case select another item : back to initial position

AFLS Fail-safe Function

If the error condition of AFLS occurred during system operation, the system have to fail-safe reaction for prevent dazzling of opposite side driver

AFLS Fail-safe Index

Part		Content			Fail-safe Reaction	Tell-tale Result
ECU		ECU Hardware (A/D Converter fail)			1) Levelling : staying in current POS 2) Swivelling : staying in current POS	-
		ECU Software (EEPROM/ROM fail)			1) Levelling : staying in current POS 2) Swivelling : staying in current POS
		Control Unit not initialized Calibration not performed			1) Levelling : drive to error POS (H-15) 2) Swivelling : drive to error POS (0°)
Levelling module fault	Right	Short circuit			1) Right Levelling : staying in current POS 2) Left Levelling : normal operation 3) Swivelling : Normal operation	-
		Over temperature
		LIN communication error			1) Right Levelling: staying in current POS(Before), drive to error POS 2) Left Levelling: normal operation 3) Swivelling : normal operation
	Left	Short circuit			1) Left Levelling : staying in current POS 2) Right Levelling : normal operation 3) Swivelling : Normal operation	-
		Over temperature
		LIN communication error			1) Right Levelling: normal operation 2) Left Levelling: staying in current POS(Before), drive to error POS 3) Swivelling : normal operation
Swivelling module fault	Right	Short circuit			1) Right Swivelling : staying in current POS 2) Left Swivelling : drive to error POS 3) Right Levelling : drive to error POS 4) Left Levelling : Normal operation	Tell-tale
		Over temperature
		Stall detected
		LIN coummunication	LIN fault	Before	1) Swivelling : staying in current POS 2) Lefvelling : drive to error POS
				After	1) Swivelling : drive to error POS 2) Lefvelling : drive to error POS
			DBL supply fault	Before	1) Swivelling : staying in current POS 2) Lefvelling : drive to error POS
				After	1) Right Swivelling : staying in current POS 2) Left Swivelling : drive to error POS 3) Lefvelling : drive to error POS
	Left	Short circuit			1) Left Swivelling : staying in current POS 2) Right Swivelling : drive to error POS 3) Left Levelling : drive to error POS 4) Right Levelling : Normal operation	Tell-tale
		Over temperature
		Stall detected
		LIN coummunication	LIN fault	Before	1) Swivelling : staying in current POS 2) Lefvelling : drive to error POS
				After	1) Swivelling : drive to error POS 2) Lefvelling : drive to error POS
			DBL supply fault	Before	1) Swivelling : staying in current POS 2) Lefvelling : drive to error POS
				After	1) Left Swivelling : staying in current POS 2) Right Swivelling : drive to error POS 3) Lefvelling : drive to error POS
AXLE sensor	Front & Rear	external(5V) Sensor power supply fault (short to ground or to Bat)			1) Levelling : drive to error POS 2) Swivelling : Normal operation	-
	Front	FREQ_LOWER , FREQ_UPPER			1) Levelling : drive to error POS 2) Swivelling : Normal operation
		Signal line open circuit			1) Levelling : drive to error POS 2) Swivelling : Normal operation
		Signal line short circuit
		Front sensor out of range
	Front sensor out of range	FREQ_LOWER , FREQ_UPPER			1) Levelling : drive to error POS 2) Swivelling : Normal operation
		Signal line open circuit			1) Levelling : drive to error POS 2) Swivelling : Normal operation
		Signal line short circuit
		Front sensor out of range
Battery		battery voltage too high			1) Levelling: staying in current POS(Before), drive to error POS 2) Swivelling : staying in current POS(Before), drive to error POS	-
		battery voltage too low			1) Levelling: staying in current POS(Before), drive to error POS 2) Swivelling : staying in current POS(Before), drive to error POS
LIN physical fault		Short circuit to battery or GND (physical fault)		Before	1) Levelling : staying in current POS 2) Swivelling : staying in current POS	Tell-tale
				After	1) Levelling : drive to error POS 2) Swivelling : drive to error POS
CAN communication fault	Speed signal fault	speed signal invalid			1) Levelling : Medium dynamic mode 2) Swivelling : drive to error POS	-
		supplying ECU not available on CAN
	Steering angle signal fault	Steering wheel sensor not O.K (signal invalid)			1) Levelling : normal operation 2) Swivelling : drive to error POS	-
		supplying ECU not available on CAN
	Gearbox signal fault	Reverse gear signal invalid			1) Levelling : normal operation 2) Swivelling : drive to error POS	-
		supplying ECU not available on CAN
	Accelator pedal signal fault	Accelator pedal signal invalid			1) Levelling : Medium dynamic mode 2) Swivelling : Normal operation	-
		supplying ECU not available on CAN
	Engine state signal fault	Engine state signal invalid			1) Levelling : Normal operation, no operation(Before) 2) Swivelling : Normal operation, no operation(Before)	-
		supplying ECU not available on CAN
	Yaw rate signal fault	Yaw rate signal invalid			1) Levelling : Normal no operation(Before) 2) Swivelling : Reduced performance	-
		supplying ECU not available on CAN
	Brake pedal signal fault	Brake signal invalid			1) Levelling : Medium dynamic mode 2) Swivelling : Normal operation	-
		supplying ECU not available on CAN
	CAN 'Bus off' fault	ECU is isolated from the CAN network		Air suspension	1) Swivelling : drive to error POS 2) Levelling : drive to error POS	-
				Steel suspension	1) Swivelling : drive to error POS 2) Levelling : slow dynamic mode
	Lamp unction Signal Fault	Supplying ECU not available on CAN			1) Levelling : Normal operation 2) Swivelling : Normal operation	-

AFLS Setting Procedure

When it replace AFLS ECU or H/Lamp Unit or Height sensor, it operates in setting procedure by using Diagnostic equipment following belows.

When AFLS setting procedure operate, necessarily confirm suspension type and then download parameter.

※ DTC : Diagnostic Trouble Code

DBL : Dynamic bending Light

HLL : Head Lamp Leveling

Vehicle Condition While AFLS Setting

1.	Vehicle on an even surface

2.	No vehicle movement

3.	Gear position in P & N

4.	Ignition switched on & Engine RPM >500RPM

5.	Diagnostic equipment connected

6.	ALL ECUs on CAN mounted and activated

7.	Battery voltage > 10.5 V ( ECU supply to be ensured)

8.	Light switched

9.	AFLS ON or OFF

Action In Case Of Download Wrong Parameter

1.	Download Delivery Parameter

2.	Check up B1661(Parameter missing)

3.	Ignition OFF

4.	Ignition ON & Engine RPM > 500RPM

5.	Download matching Paratmer

Description and operation

Description Adaptive Front-lighting System (AFLS) AFLS(Adaptive Front-lighting System）is a headlamp orientation control system that takes into account both steering angle and ...

Adaptive Front Lighting System Description and operation

Description AFLS Unit(ECU) AFLS located in Cockpit Module is provided information of vehicle (steering wheel signal,vehicle speed, inclination of vehicle). Based on provide ...

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