Kia Carens: BCM (Body Control Module) / Description and operation
Kia Carens RP (2013-2018) Service Manual / Body Electrical System / BCM (Body Control Module) / Description and operation
| Description |
| Communication Network Diagram |
Function
|
Function |
Description |
|
|
Input |
Output |
|
|
FRONT WASHER INTER LOCK WIPER |
- IGN2 On & WasherSW On and Off, |
- Controlling Wiper Rly depending on WasherSW 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 & MistSW On, |
- Controlling Wiper Rly On during MistSw On (700msec) |
|
Head Lamp Washer |
- IGN2 On & Head Lamp On & WasherSW On |
- Controlling HeadLamp Washer Rly On (1.6sec) |
|
- 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 & REARWasherSW On and Off, |
- Controlling Wiper Rly depending on REARWasherSW 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 |
- IGN1 On while driver seat belt On, |
- Seat Belt Indicator blinking for 6 sec. |
|
- IGN1 On while driver seat belt On, |
- Seat Belt Buzzer On for 6 sec. and Seat Belt Indicator blinking On until
driver seat belt On. |
|
|
DRV SEATBELT REMINDER |
- 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 > 6km/h while belt off, |
- Seat Belt Indicator On |
|
|
- 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(100sec) |
|
|
- when IGN On & Vehicle Speed > 20km/h while belt [on→off] |
- Seat Belt Indicator blinking and buzzer warning starting(100sec) |
|
|
- when Vehicle Speed > 20km/h & belt Off and Seatbelt Indicator Blinking
and buzzer warning, belt On, |
- Seat Belt Indicator Off and Buzzer Off |
|
|
DRV SEATBELT REMINDER |
- 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 > 6km/h while belt off, |
- Seat Belt Indicator On |
|
|
- 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(100sec) |
|
|
- when IGN On & Vehicle Speed > 20km/h while belt [on→off] |
- Seat Belt Indicator blinking and buzzer warning starting(100sec) |
|
|
- when Vehicle Speed > 20km/h & belt Off and Seatbelt Indicator Blinking
and buzzer warning, belt On, |
- 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 & 1sec |
- Parking Brake Buzzer Warning Starting |
|
SUNROOF OPEN |
- SunRoof Open State → IGN Off → Drv Door Open |
- SunRoof Open Warning By Cluster 7sec |
|
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 / SAFTY E POWER WINDOW |
- IGN1 On |
- Power Window/Safty Power Window enable all the time |
|
- IGN1 Off |
- 30sec. After IGN 1 turned off, Power Window/ Safty Power Window disable
|
|
|
- Driver Door Open or Passenger Door Open |
- Power window/Safty 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 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 |
|
|
IGN KEY HOLL ILLUMINAION |
- IGN1 Off & Door open |
- Key Illumi Lamp On for 20min. |
|
- IGN1 Off & Door [open→close] |
- Key Illumi Lamp On for 30sec. |
|
| 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
|
- 1sec(CHINA), 12sec(NA), 2.5sec(etc). after sensing night light condition,
Tail lamp On and Headlamp On |
|
|
- IGN1 on & Autolight Sw on with night light condition → day light condition
|
- 5sec(EC), 12sec(NA), 2.5sec(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 15sec, and Tail Lamp On for 15sec. |
|
|
WELCOME |
- Headlamp SW On & All Door Closed & All Door Locked & Key Off & TX Unlock
|
- Headlamp On & 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 expirsed |
- 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 15sec. |
|
|
Dedicated DRL |
- IGN2 On & Alternator On and DRL Option On & H/Lamp Sw Off & Front fog
Off |
- DRL On |
|
- IGN2 On & Alternator On and DRL Option On & [ Head Lamp On or FrtFog
Lamp 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 |
|
| PUDDLE
LAMP |
- Tx UnLock |
- Puddle Lamp On |
|
- Tx Lock |
- Puddle Lamp Off |
|
|
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 |
|
| SECURITY
INDICATOR |
- Tx Lock & after 30sec ( Burglar Alarm State – ARM ) |
- 0.32sec On / 2sec Off |
|
OUTSIDE MIRROR AUTO FOLDING / UNFOLDING |
- Pwdw Mirror SW Auto Position & Tx Unlock |
- Mirror Unfold |
|
- Pwdw Mirror SW Auto Position & Tx Lock |
- Mirror Fold |
|
|
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, |
- 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 |
|
|
PANIC |
- Tx Panic |
- Horn activates, Hazard lamp blinks |
Schematic diagrams
Circuit Diagram
...
Repair procedures
Removal
1.
Disconnect the negative (-) battery terminal.
2.
Remove the glove box housing.
(Refer to Body - "Glove Box Hous ...
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