Hyundai Elantra: BCM (Body Control Module) / Components and Components Location

Components

No
Connector A
Connector  B
Connector  C
Connector  D
1
Batt (+)
IGN
Rain sensor (LIN)
Airbag unit (LIN)
2
IGN 1
Front wiper switch (High)
-
RPAS (LIN)
3
IGN 2
Light switch
-
Puddle lamp
4
Brake switch
Head lamp switch (High)
-
ATM solenoid
5
Front wiper switch (Low)
Auto light power
-
Power window (Enable)
6
-
Body CAN (High)
-
Wiper relay (High)
7
Heated steering switch
Body CAN (Low)
RPAS Buzzer
ATM solenoid
8
PAS Switch
-
IGN 1
-
9
Rear defogger switch
Chassis CAN (Low)
PAS Front sensor power
PAS Switch indicator
10
Window lock switch
Chassis CAN (High)
RPAS Front sensor power
Heated steering indicator
11
Rain sensor input
-
Heated steering output
-
12
ACC
Auto light sensor
GND
Key hole illumination
13
Front washer switch
Front wiper int vol switch
Rear center seat belt indicator
Passenger seat belt indicator
14
-
Fog lamp switch
Rear left seat belt indicator
Wiper relay (Low)
15
Key in switch
NTC Sensor signal input
Rear right seat belt indicator
Tail lamp
16
-
Airbag signal
-
Room lamp
17
-
-
Security indicator

18
Sunroof open switch
-
-
19
PAS Input
Multifunction switch ground
-
20
Ket inter lock switch
Auto light ground
-
21
NTC Ground
-
-
22
Ground
-
IGN 2 Heated steering power

Specifications
Specifications ItemsSpecificationsRated voltageDC 12VOperating voltageDC 9 ~ 16VOperating temperature-22°F ~ 167°F (-30°C ~ 75°C)Dark currentSMK : 3mA / Keyless : 4mA ...

Schematic Diagrams
Circuit Diagram ...

Other information:

Hyundai Elantra AD (2016-2020) Service Manual: Rear Door Window Glass Repair procedures
Replacement 1. Remove the rear door trim. (Refer to Rear Door - "Rear Door Trim") 2. Remove the rear door belt inside weatherstrip (A). 3. Pull down rear door window glass by pressing the power window glass switch. 4. Loosen the mounting screws and remove the rear door belt outside ...

Hyundai Elantra AD (2016-2020) Owners Manual: Forward Collision Avoidance (FCA) System (with hyundai smart sense)
The Forward Collision-Avoidance Assist (FCA) system is designed to help detect and monitor the vehicle ahead or help detect a pedestrian in the roadway through radar signals and camera recognition to warn the driver that a collision is imminent, and if necessary, apply emergency braking. WARN ...

© 2018-2025 www.helantraad.com