LEMON Manuals: Even more car manuals for everyone
Home >> Kia >> 2020 >> Sorento L >> Repair and Diagnosis >> External Pages >> Different car >> Section 26 (Body Control Module (BCM)) >> Description And Operation >> Description

Description And Operation: Description

WARNING: This page is about a different car, the 2019 Kia Sorento. However, it is still accessible from the selected car via links, so may be relevant.

Communication Network Diagram 

G12883841Courtesy of KIA MOTORS AMERICA, INC.

Function 

Function Description
Input Output
FRONT WASHER INTER LOCK WIPER
  • IGN2 On & Washer SW On and Off,
  • Controlling Wiper Rly depending on Washer SW On time.
FRONT INT WIPER
  • IGN2 On & Front Wiper Int Sw On,
  • Controlling Wiper Rly On/Off with 2.2~10 sec period depending on INT_Volume (5Step)
FRONT MIST WIPER
  • IGN2 On & Mist SW On,
  • Controlling Wiper Rly On during Mist Sw On (700 msec)
Head Lamp Washer
  • IGN2 On & Head Lamp On & Washer SW On
  • Controlling HeadLamp Washer Rly On (1.6 sec)
  • Within 15 minutes after the headlamp relay turns on, the headlamp washer does not function again even though the windshield/headlamp washer switch is operated repeatedly.
REAR WASHER INTER LOCK WIPER
  • IGN2 On & REAR Washer SW On and Off,
  • Controlling Wiper Rly depending on REAR Washer SW On time.
REAR INT WIPER
  • IGN2 On & Front Wiper Int Sw On,
  • Controlling Wiper Rly On/Off with 6 sec period depending on INT_Volume (1Step)
SEAT BELT WARNING
  • IGN On while belt off,
  • Seat Belt Indicator blinking and buzzer warning for 6 sec.
  • IGN On while belt on,
  • Seat Belt Indicator for 6 sec. and warning buzzer Off
  • IGN1 On & Drv sea belt Sw [Off→On,
  • Seat Belt Indicator Off and Buzzer Off
  • IGN On & Vehicle Speed > 10km/h while belt off,
  • Seat Belt Indicator and warning buzzer pattern starting (PATTERN: 6 sec on/24 sec off X 11 times)
  • IGN On & Vehicle Speed > 5km/h while belt off,
  • Seat Belt Indicator blinking and buzzer warning for 6 sec.
  • Pattern starting while Vehicle Speed < 5km/h,
  • 6 sec. after Seat Belt Indicator Off and Buzzer Off
KEY OPERATED WARNING
  • (Key In or SMK ACC) Sw On & Driver door open
  • Key Operated Buzzer Warning starting
PARKING START WARNING
  • IGN1 On & Parking Brake Sw On & Vehicle Speed > 5km/h & 1 sec
  • Parking Brake Buzzer Warning Starting
SUNROOF OPEN
  • SunRoof Open State → IGN Off → Drv Door Open
  • SunRoof Open Warning By Cluster 7 sec
PAS/RPAS WARNING
  • Gear Position R and PAS/RPAS Sensors detecting warning
  • PAS/RPAS Warning Starting according to warning level from PAS/RPAS Sensors
POWER WINDOW/SAFETY E POWER WINDOW
  • IGN1 On
  • Power Window/Safety Power Window enable all the time
  • IGN1 Off
  • 30 sec. After IGN 1 turned off, Power Window/Safety Power Window disable
  • Driver Door Open or Passenger Door Open
  • Power window/Safety Power Window disable immediately
REAR DEFOGGER FRONT DEICER
  • IGN1 On & Alternator On & Defogger SW On
  • Defogger On & Deicer On for 20 min.
ROOMLAMP
  • Any Door Open,
  • Room Lamp On for 20min.
  • All Door Closed & Key [On→Off] & Any Door Unlock
  • Room Lamp On for 30 sec.
  • All Door Closed & Key [On→Off] & All Door Lock
  • Room Lamp Off
  • Tx Unlock
  • Room Lamp On for 30 sec.
  • Tx Lock while Room Lamp On
  • Room Lamp Off
IGN KEY HOLE ILLUMINATION
  • IGN1 Off & Door open
  • Key Illumi Lamp On for 20min.
  • IGN1 Off & Door [open→close]
  • Key Illumi Lamp On for 30 sec.
KEY INTER LOCK
  • IGN1 On or ACC On & Key inter lock Sw On
  • Key Solenoid On
ATM SHIFT LOCK
  • IGN1 On & Inhibit P On & Brake Sw On
  • ATMSOL On
TAILLAMP
  • Tail lamp Sw On,
  • Tail Lamp On
TAIL LAMP AUTO CUT
  • Key In & Tail Sw On → Key Off → Drv Door Open
  • Tail Lamp Off
  • key In & Tail Sw On → Key Off → Drv Door Open → Tail Sw [Off→On]
  • Tail Lamp On
AUTOLIGHT
  • IGN1 On & Autolight Sw On with day light condition
  • Tail lamp Off, Headlamp Off
  • IGN1 On & Autolight Sw On with night light condition
  • Tail lamp On, Headlamp On
  • IGN1 on & Autolight Sw on with day light condition → night light condition
  • 1 sec (CHINA), 12 sec (NA), 2.5 sec (etc). after sensing night light condition, Tail lamp On and Headlamp On
  • IGN1 on & Autolight Sw on with night light condition → day light condition
  • 5 sec (EC), 12 sec (NA), 2.5 sec (etc). after sensing day light condition, Tail lamp Off and Headlamp Off
HEADLAMP
  • IGN2 On & Headlamp Sw On
  • Head Lamp On
ESCORT
  • IGN2 On, HeadLamp Sw On → IGN Off
  • Head Lamp On & Tail Lamp On for 5min.
  • IGN2 On, HeadLamp Sw On → IGN Off → Driver Door Open → Drive Door Close
  • Head Lamp On for 15 sec, and Tail Lamp On for 15 sec.
WELCOME
  • Headlamp SW On & All Door Closed & All Door Locked & Key Off & TX Unlock
  • Tail lamp On for 15 sec.
  • Headlamp SW On & All Door Closed & All Door Locked & Key Off & TX Unlock → TX Lock before 15 sec timer expired
  • Headlamp Off just after TX Lock
  • Autolight Sw On & night light condition & All Door Closed & All Door Locked & Key Off & TX Unlock
  • Headlamp On & Tail lamp On for 15 sec.
DRL
  • IGN2 On & Alternator On and DRL Option On & H/Lamp Low Off & HeadLamp High Off & Parking Brake off
  • DRL On
  • IGN2 On & Alternator On and DRL Option On & [H/Lamp Low On or HeadLamp High On or Parking Brake on]
  • DRL Off
  • IGN2 On & Alternator On and DRL Option On & FrtFog Lamp [Off→On]
  • DRL Off
FRONT FOG LAMP
  • Front Fog Sw On when IGN2 On & Tail lamp On
  • Front Fog Lamp on
REAR FOG LAMP
  • Rear Fog Sw On when IGN2 On & Tail Lamp On & Front Fog Lamp On
  • Rear Fog Lamp on
  • Rear Fog Sw On when IGN2 On & Tail Lamp On & HeadLamp On
  • Rear Fog Lamp on
AV CONTROL
  • Autolight sensing with day light condition
  • AV Tail On
  • Autolight sensing with night light condition
  • AV Tail Off
CENTRAL LOCK/UNLOCK
  • P/WDW Lock Sw On or Tx Lock
  • All Door Lock
  • P/WDW Unlock Sw On or Tx Unlock
  • All Door Unlock
Key Reminder
  • Key On & Driver/Assist door Open & P/WDW Lock Sw On
  • All Door Unlock. If knob keeps being in lock, BCM retries unlock 3 times
  • Key On & Driver/Assist Door Open & Driver/Assist Knob changes unlock → lock
  • All Door Unlock. If knob keeps being in lock, BCM retries unlock 3 times
Passive Reminder
  • Passive Reminder signal received from SMK
  • All Door Unlock and Buzzer warning starts
CRASH UNLOCK
  • Key On & Crash Signal received,
  • All Door Unlock for 5 sec.
Speed Sensing Auto door Lock
  • IGN1 On & Alternator On & Any Door Unlock & Vehicle Speed >15km/h,
  • All Door Lock
  • IGN1 On & Alternator On & Vehicle Speed >15km/h & All Door Lock → Any Door unlock,
  • All Door Lock
Shift-Lever Auto door Unlock
  • IGN1 On & Alternator On & Shift-Lever Position [P] → not [P]
  • All Door Unlock
Key Off AUTO DOOR UNLOCK
  • Any Door Lock & Key [In] → [Off]
  • All Door Unlock
TAIL GATE RELEASE
  • All Door Unlock & Tail Gate Open Sw On
  • Tailgate Release
  • Passive Tailgate signal received
  • Tailgate Release
2 TURN UNLOCK
  • Tx Unlock & Tx Unlock It Again after 4 sec
  • Drv Door Knob Unlock
  • Tx Unlock & Tx Unlock It Again in 4 sec
  • All Door Knob Unlock
NaviWakeup
  • Key Out & Tx Unlock/Passive Unlock received,
  • Navigation Wakeup Signal sends
  • No re-send within 1 min.
ANTITHEFT
  • All Door Closed & Key Off & Tx Lock & All Door Closed,
  • Arm wait for 30 sec.
  • Arm after 30 sec. without any interrupts
  • [Arm state] Door open without Tx unlock/Passive Unlock signal
  • Horn activates, Hazard lamp blinks
PANIC
  • Tx Panic
  • Horn activates, Hazard lamp blinks
HORN ANSWER BACK
  • Tx Lock & Tx Lock It Again in 4 sec
  • Horn On (0.1 sec)
TPMS
  • TPMS sensor & Vehicle speed
  • MIL on with TPMS
scientia non olet · About LEMON Manuals