Hyundai Elantra: Integrated Body Control Unit (IBU) / Components and components location

Hyundai Elantra (CN7) 2021-2024 Service Manual / Body Electrical System / Integrated Body Control Unit (IBU) / Components and components location

Components (1)

With Smart Key

Connector Pin Information

Pin no	Connector A	Connector B	Connector C	Connector D	Connector E
1	ESCL (+)_output	-	-	-	-
2	Front heated nozzle_output	-	-	-	-
3	-	Puddle pocket lamp_output	-	Mirror folding_output	-
4	Front washer switch _Input	-	-	-
5	-	LIN(PDW)	-	-	ESCL enable_output
6	Ground_Power	R-PDW power_input	-	-	RPM_input
7	Ground_ECU	R-PDW power_output	-	-	Start relay_output
8	ESCL (-)_output	F-PDW power_output	-	-	ACC relay_output
9	Battery (+) ECU	ATM solenoid_output	-	Auto light sensor ground_output	Start feedback_input
10	Battery (+) Power	Head lamp high beam switch_input	-	Rear view camera switch_input	SSB switch2_input
11	IGN_Input	Front washer switch _Input	-	R-PDW switch_input	Trunk antenna (-)_output
12	Kiline_IMMO	Front wiper INT volume switch_input	-	P-Position_input	Interior2 antenna power(-)_output
13	-	Wiper parking switch_input	-	Passenger outside handle switch_input	-
14	-	External buzzer_output	-	Multifunction Switch ground _Input	Passenger outside handle antenna (-)_output
15	-	R-PDW switch IND_output	-	ACC_input	-
16	-	-	-	IGN2_input	-
17		-	-	Front wiper low back up switch_input	-
18		-	-	Brake switch_input	Driver outside handle antenna (-)_output
19		-	-	-	Immobilizer antenna ground_output
20		-	-	-	-
21		-	-	-	-
22		LIN 3(Rain sensor)	-	PDW option_input	-
23		Wiper power relay_output		Mirror unfolding_output	-
24		-		-	-
25		Wiper low relay_output		-	-
26		Wiper high relay_output		-	Wheel speed sensor_input
27		-		-	IGN2 relay_output
28		Fog lamp switch_input		-	IGN1 relay_output
29		Light switch_input		Auto light sensor power_output	SSB symbol illumination(+)_output
30		-		Auto light sensor signal_input	SSB switch1_input
31		-		Sunroof status_input	Trunk antenna (+)_output
32		-		ESCL unlock switch_input	Interior2 antenna power(+)_output
33		ESCL_COM		Clutch lock switch_input (MT)	-
34		EMS ECU wake up_output/Dood unlock signal_output		Driver outside handle switch_input	Passenger outside handle antenna (+)_output
35		-		B-CAN High	-
36		-		B-CAN Low	-
37				P-CAN High	-
38				P-CAN Low	Driver outside handle antenna (+)_output
39				-	Immobilizer antenna power_output
40				-	-

Without Smart Key

Connector Pin Information

Pin no	Connector A	Connector B	Connector C	Connector D
1	-	-	-	-
2	Front heated nozzle_output	-	-	-
3	-	-	-	Mirror folding_output
4	Front washer switch _Input	-	-	PDW option_input
5	-	LIN(PDW)	-	-
6	Ground_Power	R-PDW power_input	-	-
7	Ground_ECU	R-PDW power_output	-	-
8	-	F-PDW power_output	-	-
9	Battery (+) ECU	ATM solenoid_output	-	Auto light sensor ground_output
10	Battery (+) Power	Head lamp high beam switch_input	-	Rear view camera switch_input
11	IGN_Input	Front washer switch _Input	-	R-PDW switch_input
12	Kiline_IMMO	Front wiper INT volume switch_input	-	P-Position_input
13	-	Wiper parking switch_input	-	-
14	-	-	-	Multifunction Switch ground _Input
15	-	R-PDW switch IND_output	-	ACC_input
16	-	-	-	IGN2_input
17		-	-	Front wiper low back up switch_input
18		-	-	Brake switch_input
19		-	-	-
20		-	-	-
21		-	-	-
22		LIN 3(Rain sensor)	-	-
23		Wiper power relay_output		Mirror unfolding_output
24		-		-
25		Wiper low relay_output		B-CAN High
26		Wiper high relay_output		B-CAN Low
27		-		P-CAN High
28		Fog lamp switch_input		P-CAN Low
29		Light switch_input		Auto light sensor power_output
30		-		Auto light sensor signal_input
31		-		Sunroof status_input
32		-		Key solenoid_output
33		Key hall illumination_output		Start inhibit relay_output
34		EMS ECU wake up_output/Dood unlock signal_output		key in switch_input
35		-		-
36		-		-
37				Immobilizer antenna power_output
38				Immobilizer antenna ground_output
39				-
40				-

Specifications

Specifications Items Specifications Rated voltageDC 12VOperating voltageDC 9 - 16VOperating temperature-40°C to 85°C (-22°F to 185°F)parastic current4...

Other information:

Hyundai Elantra (CN7) 2021-2024 Service Manual: Repair procedures

Replacement[Fuel filler door] • When removing with a flat - tip screwdriver or remover, wrap protective tape around the tools to prevent damage to components. • Put on gloves to prevent hand injuries...

Hyundai Elantra (CN7) 2021-2024 Service Manual: Front Door Inside Handle

Repair procedures Removal1.Remove the front door trim.(Refer to Front Door - "Front Door Trim")2.Cut the heat-welded part with a knife and loosen the mounting screw (B).3.Remove the front door inside handle (A). • Be careful of breakage and cut the heat-welded part with a knife...

Side air bags

Front seat

Your vehicle is equipped with a side air bag in each front seat. The purpose of the air bag is to provide the vehicle’s driver and the front passenger with additional protection than that offered by the seat belt alone.