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Home >> Hyundai >> 2011 >> Elantra Touring GLS, Automatic >> Repair and Diagnosis >> Accessories & Equipment >> Communication Devices >> Body Control Module (BCM) >> Body Control Module (BCM) >> Function >> Defogger & Deicer Timer Control

Defogger & Deicer Timer Control

  1. Defogger & DEICER Control DATA FLOW
    Fig 1: Defogger & DEICER Control Communication Diagram
    G06145345Courtesy of HYUNDAI MOTOR CO.
  2. Defogger TIMER
    1. If Defogger SW turns ON after ALT L is ON while IGN1 is ON, turn Defogger Relay output ON for 20 min. (It is operated while ENGINE is RUNNING)
    2. If Defogger SW turns ON again while Defogger Relay output is ON, turn Defogger Relay output OFF.
    3. Also turn Defogger output OFF in case of ALT L OFF or IGN1 OFF while Defogger Relay output is ON.
    4. If ALT L is over 10 Volts ENGINE is RUNNING (ALT L ON) and if ALT L is less than 5 Volts ENGINE is STOPPED (ALT L OFF). Also, ALT L is between 5 and 10 Volts, keep the previous condition.
    5. Defogger Relay should not be outputted when turning ALT L ON while Defogger SW is pressed.
    Fig 2: Identifying Blinking Pattern
    G06145346Courtesy of HYUNDAI MOTOR CO.

    T1 : 20± 1 min

  3. Front Deicer Timer
    1. Turn Deicer Relay output ON for 20 min when turning Deicer SW ON after turning ALT L ON while IGN1 is ON (It is operated while ENGINE is RUNNING.)
    2. Turn Deicer Relay output OFF if Deicer SW turns ON again while Deicer Relay output is ON.
    3. Also Deicer Relay output OFF when turning ALT "L" or IGN1 OFF while Deicer Relay output is ON.
    4. If ALT L is over 10 Volts ENGINE is RUNNING (ALT L ON) and if ALT L is less than 5 Volts ENGINE is STOPPED (ALT L OFF). Also, ALT L is between 5 and 10 Volts, keep the previous condition.
    5. Deicer Relay should not be outputted when turning ALT L ON while Deicer SW is pressed.
    Fig 3: Identifying Blinking Pattern
    G06145347Courtesy of HYUNDAI MOTOR CO.

    T1 : 20 ± 1 min

  4. Power Window Timer
    Fig 4: Power Window Timer Communication Diagram
    G06145348Courtesy of HYUNDAI MOTOR CO.
    1. Turn Power window Relay output ON when turning L_IGN2 ON.
    2. Turn Power window Relay output OFF after keeping Power window Relay output for 30 sec when IGN2 is OFF.
    3. Turn Power window Relay OFF immediately when opening Driver Door SW or Passenger Door SW within the condition (2) above.
    4. Turn Power window Relay output OFF when IGN2 is OFF while Driver Door SW or Passenger Door SW is open.
    5. Control Safety Power window ECU equally like Power window Relay.
Fig 5: Identifying Blinking Pattern
G06145349Courtesy of HYUNDAI MOTOR CO.

T1 : 30 ± 3 sec