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Crash Door Unlock

  1. When IGN1 = ON, L_CRASH INPUT signal starts to judge ON/OFF from T1 (1s), When IGN_KEY_OFF, L_CRASH INPUT signal terminates to judge ON/OFF.
  2. After L_CRASH INPUT signal starts to judge ON/OFF and IGN_KEY_ON states, if L_CRASH INPUT is ON then ALL DOOR UNLOCK is output for T2 (5s) (CRASH UNLOCK OUTPUT)

    * L_CRASH INPUT signal is determined L_CRASH INPUT = ON, when 16ms_LOW/4ms_HIGH cycle is input 1 time.

    * In BCM SLEEP state, L_CRASH INPUT is ignored.

  3. After above (2) Section. even if IGN KEY is ON → OFF during the CRASH UNLOCK output, CRASH UNLOCK is maintained for the remaining time.
  4. After above (2) Section. If L_CRASH INPUT is ignored to input again during CRASH UNLOCK output for T2.
  5. CRASH UNLOCK output before BCM SLEEP states to the ANY DOOR UNLOCK→LOCK then ALL DOOR UNLOCK output is performed during T2.
  6. CRASH DOOR UNLOCK condition, AUTO DOOR LOCK does not function.
  7. CRASH DOOR UNLOCK function overrides LOCK/UNLOCK control by other functions.
  8. DOOR UNLOCK is outputting and after output, LOCK/UNLOCK request by other function is ignored.
  9. After CRASH DOOR UNLOCK, to enter BCM SLEEP states or L_KEY IN = OFF & L_ACC = OFF & L_IGN1 = OFF & L_IGN2 = OFF are became then LOCK/UNLOCK control by the other function is performed.
    Fig 1: Door Lock/Unlock Control - Blinking Pattern (T1: 5.0 Sec)
    G10244009Courtesy of HYUNDAI MOTOR AMERICA

    T1: 5.0 sec

    * IGN KEY_ON: ON == KEY IN or ACC ON or IGN1 ON or IGN2 ON

    OFF == KEY OUT & ACC OFF & IGN1 OFF & IGN2 OFF

  10. L_CrashInput for the input signal ON/OFF judging criteria are the following figure.
    Fig 2: Door Lock/Unlock Control - Blinking Pattern (T1: 1 ± 0.1Sec)
    G10244010Courtesy of HYUNDAI MOTOR AMERICA

    T1: 1 ± 0.1sec, T2: 0.5± 0.1sec