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Home >> Kia >> 2012 >> Optima LX, Standard Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 45 (Body Control Module (BCM)) >> Description And Operation >> Function >> Doors Lock/Unlock Control >> Crash Unlock Function (Without 30 Sec Timer)
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Crash Unlock Function (Without 30 Sec Timer)

WARNING: This page is about a different car, the 2013 Kia Sportage and 2012 Kia Sportage. However, it is still accessible from the selected car via links, so may be relevant.
  1. Behavior Characteristics
    1. This function is to make unlock status in emergency case.
    2. If the crash is occurred (b_Crash ==On, when P_CrashUnlock signal is changed to crash status), output all doors unlock during "CrashUnlockTime"
    3. After crash unlocking, If safety knob state is changed unlock to lock, all doors are unlocked, again.
    4. After crash is activated, Central Lock and Auto Door Lock Function can not operate until Key off.
  2. P_CrashInput signal (PWM)
  1. Before crash: When crash condition is not present, input is made as follows (b_Crash ==Off at P_CrashInput signal event is as follows)
    Fig 1: Crash Input Signal Chart (Before Crash)
    G07426871Courtesy of KIA MOTORS AMERICA, INC.
  2. After Crash:
    1. When crash happen, input is made as follow signal.
    2. BCM should be enabled (b_Crash ==On) when received at least one pulse during P_CrashInput signal appeared.
    3. P_CrashInput signal activated during 200 ms after crash.(10 cycle)
    Fig 2: Crash Input Signal Chart (After Crash)
    G07426872Courtesy of KIA MOTORS AMERICA, INC.
  3. State Description
Fig 3: Crash Input Signal Chart (State Description)
G07426873Courtesy of KIA MOTORS AMERICA, INC.
VALUE SPECIFICATION CHART

Name Value
Crash Off Delay Time 0 msec
Crash Out Time 5 ± 0.5 sec
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