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: Rain Sensor Description and Operation
Description Integrated Rain Sensor Integrated rain sensor (A) controls three systems: front wiper, auto-light, and central air conditioner. 1. Wiper Control System When "AUTO" switch signal is received from the multi-function switch on the right, the integrated rain sensor detects the amoun ...

Hyundai Elantra AD (2016-2020) Service Manual: Purge Control Solenoid Valve (PCSV) Specifications
Specification ItemSpecificationCoil Resistance (?)22.0 ~ 26.0 [20°C(68°F)] ...

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