Lamp Control

1. Turn IGN KEY OFF when turning Tail SW ON after turning IGN KEY ON and turn Tail Lamp Relay OFF (automatic blackout) when opening Driver door SW.
2. Also, turn Tail Lamp Relay OFF (automatic blackout) even though IGN KEY is turned OFF after opening Driver door SW at the condition that IGN KEY is ON.
3. When turning Tail SW ON again from OFF after the automatic blackout, Tail Lamp Relay will be turned ON and AUTO CUT function will be cancelled.
4. When turning IGN KEY ON after the automatic blackout, Tail Lamp Relay will be turned ON and AUTO CUT function will be cancelled.
5. AUTO CUT will be kept when removing or installing B+ at the status of AUTO CUT.
6. Tail Lamp Relay will be kept turning OFF though Driver door SW is closed from opened at the status of AUTO CUT.

Fig 2: Identifying Blinking Pattern

Courtesy of HYUNDAI MOTOR CO.

*1 IGN KEY ON : (Push Knob SW or Key In SW ON or IGN 1 ON or IGN 2 ON)

IGN KEY ON : (Push Knob SW and Key In SW OFF and IGN 1 OFF and IGN 2 OFF)

1. If the service voltage of Auto Light SENSOR is less than 4v or more than 6v at the status of IGN1 ON, it means it has defects. Always turn Tail Lamp Relay and Head Lamp Relay ON regardless of the value of SENSOR when turning Auto Light SW ON with trouble. The FILTERING time for defects and recovery of the service voltage is 300msec each.
2. If the value of Auto Light Signal is input value of LIGHT ON at the status of IGN1 ON and Auto Light SW ON, turn the LIGHT ON in 2.5sec ± 100msec.
3. If the value of Auto Light Signal is input value of LIGHT OFF at the status of LIGHT ON, turn the LIGHT OFF in 2.5sec ± 100msec.
4. If the value of Auto Light Signal is input value of Tail Lamp ON, turn Tail Lamp Relay ON only and if it is input value of Head Lamp ON, turn Tail Lamp Relay and Head Lamp Relay ON.
5. Turn the proper LIGHT ON immediately when turning Auto Light SW ON in the condition of LIGHT ON and turn the LIGHT OFF when turning Auto Light SW OFF.
6. Follow the table below for each value of LIGHT ON for Auto Light Signal.
   AUTO LIGHT SIGNAL REFERENCE
   
   

   	Tail Lamp	Head Lamp
   ON	1.92 ± 0.05V	1.92 ± 0.05V
   OFF	4.12 ± 0.05V	4.12 ± 0.05V

Fig 3: Identifying Blinking Pattern

Courtesy of HYUNDAI MOTOR CO.

Fig 4: Identifying Blinking Pattern

Courtesy of HYUNDAI MOTOR CO.

T1 : 12 ± 0.2s, T2 : 12 ± 0.2s

1. Turn Head Lamp Relay ON when turning Head Lamp SWON while IGN1 is ON.
2. Turn Head Lamp Relay OFF if IGN1 OFF or Head Lamp SW is OFF.
3. Do not control things above if Head Lamp Relay can be controlled by Escort/Auto Light/DRL function.

Fig 8: Identifying Blinking Pattern

Courtesy of HYUNDAI MOTOR CO.

1. Turn Front Fog Relay On when turning Front Fog SW ON while Tail Lamp Relay is ON.
2. Turn Front Fog Relay OFF when turning Front Fog SW ON while Front Fog Relay is ON.