Kia Ceed Manuals Ceed Car Manuals
Technical Info

Kia Cee'd: Body Control Module (BCM) / Description and operation

Description
CAN Communication Netrwork

Function
 
Function
Description
Front Washer & Wiper
–
Settings: IGN2 On,
–
Action : Washer switch On and  Off,
–
Response : Controlling wiper relay for 2.5~3.8 sec.
INT Wiper
–
Settings: IGN2 On,
–
Action : Front wiper INT switch On,
–
Response : Controlling Wiper relay On/Off with 2.2~10 sec period depending on INT_Volume
MIist Wiper
–
Settings: IGN2 On, -Action : Mist switch On,
–
Response : Controlling Wiper relay On during Mist switch On
Rear Washer & Wiper
–
Settings: IGN2 On,
–
Action : Rear washer switch On and Off,
–
Response : Controlling rear wiper relay during switched On,
Controlling rear wiper relay for 2.5~3.8 sec. after switched Off
Rear Wiper ON
–
Settings: IGN2 On,
–
Action : Rear wiper On,
–
Response : Controlling Rear wiper relay until switched Off
Rear INT Wiper
–
Settings: IGN2 On,
–
Action : Rear INT wiper On,
–
Response : Controlling Rear wiper relay with 6 sec. period

 
Function
Description
Input
Output
Seatbelt Reminder
(Europe)
–
IGN On while belt off,
–
Seat Belt Indicator On until belt on
–
IGN On while belt on,
–
Seat Belt Indicator On for 6 sec.
–
IGN On & Vehicle Speed > 9km/h while belt off,
–
Seat Belt Indicator blinking
–
IGN On & Vehicle Speed > 20km/h while belt off,
–
Seat Belt Indicator blinking and buzzer warning starting
–
When IGN On & Vehicle Speed > 20km/h while belt on, belt off
–
Seat Belt Indicator blinking and buzzer warning starting
–
When Vehicle Speed > 20km/h & belt Off and Seatbelt Indicator Blinking and buzzer warning, belt On,
–
Seat Belt Indicator Off and Buzzer Off
Rear Seatbelt Reminder
(Europe)
–
IGN on while rear seat belt off
–
Rear Seat Belt Indicator On
–
Alternator On and Rear Seat Belt Off
–
Rear Seat Belt Indicator On for 35 sec. after that Indicator turn off
–
Alternator On and Rear Seat belt off → 35 sec → Vehicle Speed > 20km/h
–
Rear Seat Belt Indicator On for 35 sec. again
–
Vehicle Speed >20km/h & Rear Seat belt [On → Off]
–
Rear Seat Belt Indicator Blinking and Buzzer warning starting
Parking Start Warnig]
–
IGN1 On & Parking Brake switch On & Vehicle Speed > 5km/h
–
Parking Brake Warning Starting
Sunroof Warning
–
Key Off & Driver side Door Open & Sunroof Open
–
Sunroof Warning Starting
Ice Warning
–
IGN2 On & Outside Temperature < 4 Celsius
–
Ice Warning Starting
RPAS Warning
–
Gear Position R and PAS Sensors detecting warning,
–
PAS Warning Starting according to warning level from PAS Sensors
SMK Warning
–
SMK sends warning messages such asIDOUT WNG,ESCL Not locked Warning,ESCL Not Unlocked Warning,SSB Warning,
–
Buzzer warning Starting according to SMK Warning Message
Rear Defogger Front Deicer
–
IGN1 On & Alternator On & Defogger switch On,
–
Defogger On & Deicer On for 20 min.
Power Window
–
IGN1 On,
–
Power Window enable all the time
–
IGN1 Off,
–
30sec. After IGN 1 turned off, Power Window disable
–
less than 30 sec. after IGN1 turned off, and Driver Door Open
–
Power window disable immediately
Tail Lamp Auto Cut
–
Key In & Tail switch On → Key Off → Driver Door Open
–
Tail Lamp Off
–
key In & Tail switch On → Key Off → Driver Door Open → Tail switch Off → Tail switch On
–
Tail Lamp On
EC DRL
–
IGN2 On & Alternator On and DRP Option On & Tail switch Off,
–
DRL On
–
IGN2 On & Alternator On and DRP Option On & Tail switch Off → Tail switch On,
–
DRL Off
–
IGN2 On & Alternator On and DRP Option On & Tail switch Off → IGN2 Off,
–
DRL Off
Auto Light
–
IGN1 On & Auto light switch On with day light condition
–
Tail lamp Off, Head Lamp Off
–
IGN1 On & Auto light switch On with night light condition
–
Tail lamp On, Head Lamp On
–
IGN1 on & Auto light switch on with day light condition → night light condition
–
2.5sec. after sensing night light condition, Tail lamp On and Head Lamp On
–
IGN1 on & Auto light switch on with night light condition → day light condition
–
5sec. after sensing day light condition, Tail lamp Off and Head Lamp Off
Front Fog Lamp
–
Front Fog switch On when IGN2 On & Tail lamp On
–
Front Fog Lamp on
Rear Fog Lamp
–
Rear Fog switch On when IGN2 On & Tail Lamp On & Front Fog Lamp On
–
Rear Fog Lamp on
–
Rear Fog switch On when IGN2 On & Tail Lamp On & Head lamp On
–
Rear Fog Lamp on
Room Lamp
–
Any Door Open,
–
Room Lamp On for 20min.
–
All Door Closed & Key [On → Off] & Any Door Unlock,
–
Room Lamp On for 30sec.
–
All Door Closed & Key [On → Off] & All Door Lock,
–
Room Lamp Off
–
Tx Unlock,
–
Room Lamp On for 30sec.
–
Tx Lock while Room Lamp On,
–
Room Lamp Off
Head Lamp
–
IGN2 On & Head Lamp switch On,
–
Head Lamp On
Escort
–
IGN2 On, Head Lamp switch On → IGN Off,
–
Head Lamp On for 20 min.
–
IGN2 On, Head Lamp switch On → IGN Off → Driver Door Open → Drive Door Close,
–
Head Lamp On for 30 sec.
Static Bending Lamp
–
IGN2 On & Head Lamp switch On & Vehicle Speed <10 km/h & Steering wheel Angle >100 degree,
–
Static Bending Lamp On according to its clockwise rotation Clockwise → Left Static Bending Lamp On, Count clockwise → Right Static Bending Lamp On
–
IGN2 On & Head Lamp switch On & Vehicle Speed <10 km/h & Gear Position [R] & Steering wheel Angle >100 degree
–
Opposite side of Static Bending Lamp On Clockwise → Right Static Bending Lamp On, Count clockwise → Left Static Bending Lamp On
–
Static Bending Lamps are controlled by the complicated calculation between Vehicle Speed and Steering wheel AngleTo see more detail, refer to “Head lamp” system.
Head Lamp Welcome
–
Head Lamp switch On & All Door Closed & All Door Locked & Key Off & TX Unlock ,
–
Head Lamp On & Tail lamp On for 15 sec.
–
Head Lamp switch On & All Door Closed & All Door Locked & Key Off & TX Unlock → TX Lock before 15 sec timer expired,
–
Head Lamp Off just after TX Lock
–
Auto light switch On & night light condition & All Door Closed & All Door Locked & Key Off & TX Unlock ,
–
Head Lamp On & Tail lamp On for 15 sec.
EC Unlock
–
Key Off & Any Door Open & Central switch Lock switch On,
–
All door Unlock
–
Key Off & Any Door Open & Tx Lock,
–
All Door Unlock
Key Reminder
–
Key On & Driver/Assist door Open & Central switch Lock switch 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
Crass 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 Lock
–
IGN1 On & Alternator On & Shift-Lever Position [R] → not [R],
–
All Door Lock
Key Off
Auto Door Unlock
–
Any Door Lock & Key [In] → [Off]
–
All Door Unlock
Shift-Lever
Auto door Unlock
–
IGN1 On & Alternator On & Shift-Lever Position not [R] → [R],
–
All Door Unlock
Navi Wake up
–
Key Out & Tx Unlock/Passive Unlock received,
–
Navigation Wakeup Signal sends
–
No re-send within 1 min.
Tail Gate Release
–
All Door Unlock & Tail Gate Open switch On,
–
Tailgate Release
–
Passive Tailgate signal received,
–
Tailgate Release
Antitheft
–
All Door Closed & Key Off & Tx Lock & All Door Closed,
–
Armwait 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

Schematic diagrams
Circuit Diagram ...
Repair procedures
Removal 1. Disconnect the negative (-) battery terminal. 2. Remove the crash pad lower panel. (Refer to Body - "Crash Pad ...
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