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 ...

Other information:

Kia Cee'd JD Owners Manual: Scheduled maintenance service
Follow Normal Maintenance Schedule if the vehicle is usually operated where none of the following conditions apply. If any of the following conditions apply, follow Maintenance Under Severe Usage Conditions. Repeated driving short distance of less than 8 km (5 miles) in normal tempe ...

Kia Cee'd JD Owners Manual: Changing the coolant
We recommend that the coolant be replaced by an authorized Kia dealer. CAUTION Put a thick cloth or fabric around the radiator cap before refilling the coolant in order to prevent the coolant from overflowing into engine parts such as generator. WARNING - Coolant Do not use radiator ...

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