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Home >> Kia >> 2012 >> Optima SX >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Communication Devices >> Body Control Module (BCM) - Except HEV >> Body Control Module (BCM) >> Description And Operation >> Function >> Auto Door Lock/Unlock Control (User Option)
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Auto Door Lock/Unlock Control (User Option)

  1. ALL DOOR LOCK signal is output if vehicle speed is 15 km/h within T1 under IGN1 ON & Alt L ON. But ALL DOOR LOCK, All DOOR LOCK signal is not output if all DOOR is LOCK or ALL DOOR are FAIL.
  2. LOCK signal is output 3 times as Max if either one DOOR is UNLOCK after LOCK signal output in (2). (1s cycle) But, DOOR, which is LOCK from UNLOCK state during 3-time output, is ignored.
  3. Relevant DOOR is FAIL if the state is UNLOCK after 3-time output.
  4. LOCK signal is output once if the FAIL DOOR is UNLOCK again after the DOOR is LOCK.
  5. LOCK signal is output once if locked doors, which are LOCK state after LOCK signal output in (2), are unlocked again. But, LOCK signal is output once for the relevant DOOR even when UNLOCK state continues after LOCK signal output.
  6. FAIL DOOR is cleared at IGN switch OFF.
  7. AUTO DOOR LOCK function is not performed when CRASH UNLOCK condition is met.
Fig 1: Auto Door Lock/Unlock Timing Pattern Graph
G07380751Courtesy of KIA MOTORS AMERICA, INC.

T1 : max 1.5 sec, T2 : 0.5 ± 0.1 sec

ANY DOOR UNLOCK ON driver Unlock State Unlock or assist Unlock State Unlock or rear left Unlock State or rear right unlock state

ANY DOOR UNLOCK OFF driver Unlock State Lock assist Unlock State Lock and rear left Unlock State and rear right unlock state