FixVault

BCM connectors

Fig 1: BCM Connector A And B Terminals
G12019171Courtesy of HYUNDAI MOTOR AMERICA
BCM CONNECTOR A AND B TERMINAL DESCRIPTIONS

Pin Connector A Connector B
1 Battery Room Lamp Output
2 Local ignition1 input in BCM ALT "L"
3 Local ignition2 input in BCM Power Window Relay
4 Drive Door Switch Hazard Relay
5 Assist Door Switch Horn Relay Output
6 Drive Door Unlock State input Lock Relay
7 Assist Door Unlock State input Unlock Relay
8 Rear Door(& Tail Gate) Unlock State input Drive Door Unlock Relay Output
9 - -
10 Key in switch Tail Lamp Relay
11 Speed Sensor -
12 - -
13 Trunk Open Switch(4DR), Tail Gate Switch (5DR) -
14 Drive Door Key Unlock State Input -
15 Power Window Lock Switch -
16 Power Window Unlock Switch -
17 Rear Left Door Switch KWP2000 terminal
18 Tail Lamp Switch Interior lamp Autocut Output
19 - -
20 Back Up Switch Signal ground
21 Inhibit "P" Switch  
22 Rear Right Door Switch
23 Crash input from AIRBAG
24 Power ground
CONNECTOR A DESCRIPTIONS AND SPECIFICATIONS

No. Input Name State Voltage Level INFO. Chattering Remark
Low High (msec)
A1 A_B+ 9V~16V   -     BATTERY
A2 A_IGN1 Off = GND
On = BAT
4V 8V Pull Down 60  
A3 A_IGN2 Off = GND
On = BAT
4V 8V Pull Down 60  
A4 L_DRVDRSW On = GND(OPEN)
OFF=PullUp(CLOSE)
2V 6V Pull Up VBD_SLEEP 100  
A5 L_ASTDRSW  
A17 L_RLDRSW  
A22 L_RRDRSW  
A13 L _TrunkOpenSW or L_TailGateSW  
A6 L_DRVDRUnlockSW On = GND(UNLOCK)
Off = PullUp(LOCK)
60  
A7 L_ASTDRUnlockSW  
A8 L_RRDRUnlockSW Or
L_RRDR&TailGateUnlockSW
On = GND
(ANY DR UNLOCK)
Off = Pull Up
(ALL DR LOCK)
 
A10 L_KeyInSW On = GND(KEY IN)
Off=PullUp(KEY OUT)
 
A11 F_SpeedSNSR Speed input=PULSE (0~5V) 2V 4V OPEN COLLECTOR    
A17 K_LINE Diagnosis K-Line, Communication Line - - - - -
A23 L_CrashInput Normal: Duty 20%
Crash: Duty 80%
- - PWM Period 20ms - -
A15 L_PwdwLockSW On = GND(LOCK)
Off=Pull Up(NORMAL)
2V 6V PullUp VBD_SLEEP 60  
A16 L_PwdwUnlockSW On = GND(UNLOCK)
Off = PullUp(NORMAL)
 
A18 L_TailLampSW ON = GND
OFF = Pull Up
 
A21 L_Inhibit "P" ON=BAT 2V 6V PullDown 80 A
B2 A_ALT "L" off=GND
ON=BAT
2V 6V PullDown 60 CLUSTER
B8 L_DRVDRKeyUnlockSW On=GND (UNLOCK) 2V 6V PullUp VBD_SLEEP 60