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Lamp Control

  1. EXTERIOR LAMP CONTROL DATA FLOW
    Fig 1: Exterior Lamp Control Data Flow Chart
    G06513708Courtesy of HYUNDAI MOTOR CO.
  2. TAIL LAMP AUTO CUT
    1. Turn IGN OFF when turning Tail SW ON after turning IGN 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 is turned OFF after opening Driver door SW at the condition that IGN 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: Time Chart - Tail Lamp Auto Cut
      G06513709Courtesy of HYUNDAI MOTOR CO.
  3. AUTO LIGHT CONTROL
    1. If the service voltage (Auto light_VCC) 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. Keep the output of head lamp SW without blinking if the value of Auto light signal is input value of head lamp ON when moving the head lamp SW ON position to the Auto light SW ON position.
    7. Keep the output of head lamp SW without blinking when moving the Auto light SW ON position to the head lamp SW ON position.
    8. Follow the table below for each value of LIGHT ON for Auto Light Signal.
      TAIL LAMP AND HEAD LAMP VOLTAGE SPECIFICATIONS

        TAIL LAMP HEAD LAMP
      ON 0.82±0.05V 0.82±0.05V
      OFF 1.65±0.05V 1.65±0.05V
      Fig 3: Tail Lamp & Head Lamp Voltage Chart
      G06513710Courtesy of HYUNDAI MOTOR CO.
      Fig 4: Time Chart - Auto Light Control
      G06513711Courtesy of HYUNDAI MOTOR CO.
  4. HEAD LAMP LOW
    1. Turn Head Lamp Relay ON when turning Head Lamp SW ON 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 Auto Light function.
      Fig 5: Time Chart - Head Lamp Low
      G06513712Courtesy of HYUNDAI MOTOR CO.
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