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
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Schematic Diagrams
Circuit Diagram
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Other information:
Hyundai Elantra AD (2016-2020) Service Manual: ESC OFF Switch Repair procedures
Removal
1.
Turn ignition switch OFF and disconnect the negative (-) battery cable.
2.
Remove the crash pad lower panel.
(Refer to Body - "Crash Pad")
3.
Remove the side crash pad switch.
4.
Disconnect the ESC OFF switch connector.
5.
Check the continuity between the switch termi ...
Hyundai Elantra AD (2016-2020) Service Manual: Smart Cruise Control Unit Repair procedures
Removal
1.
Remove the bumper.
(Refer to Body - "Front Bumper")
2.
Disconnect the smart cruise control unit connector (A).
3.
Remove the smart cruise control unit assembly (B) from vehicle after loosening mounting bolts.
Installation
1.
Install in the reverse order of removal. ...
