Hyundai Elantra: Steering System / Steering wheel

Hyundai Elantra AD (2016-2020) Service Manual / Steering System / Steering wheel

Components and Components Location

Components

1. Driver airbag module(DAB)
2. Remote contorl switch
3. wiring

4. Steering wheel
5. Lower cover

Repair procedures

Removal

1.	Disconnect the battery negative cable from the battery and then wait for at least 30 seconds.

2.	Turn the steering wheel so that the front wheels are placed in the straight ahead position.

Remove the driver airbag module(DAB).

•	Insert the end of the flat tool along the guide hole. (?5mm allen wrench recommend.)

•	After inserting the tool, lightly press it. Can be easily remove the air bag module.

Disconnect the airbag module connector (A) and horn connector (B).

•	The removed airbag module should be stored in a clean, dry place with the pad cover facing up.

Disconnect the connector (A) and then remove the steering wheel by loosening the lock bolt (A).

•	Do not reuse the steering lock bolt.

•	When assembling, match the gear teeth as the below illustration.

6.	To install, reverse the removal procedure.

Replacement

1.	Loosen the screw and then remove the lower cover.

2.	Disconnect the remote control switch connector.

3.	Separate the remote control switch by loosening the screw.

4.	Disconnect the connector and then remove the wiring.

5.	To reassembly, reverse the disassembly procedure.

Heated Steering wheel Components and Components Location

Components location (1)

Heated steering wheel switch

1. Heated steering switch

Components location (2)

Heated steering wheel control module (Body control moduel(BCM))

1. Body contorl module

Heated Steering wheel Description and Operation

Description

For the convenience of drivers during the winter, exothermic paint is applied to the surface of the steering wheel to generate heat when it is gripped.

Heated control unit (Body control module(BCM))

Heated pad

Heated Steering wheel Specifications

Specifications

Item	Specification
Voltage	13.5 V
Heated pad resistance	1.7 ~ 0.2 ? ± 0.2 ?
NTC resistance	10.0 k? ± 10% (25°C)

Heated Steering wheel Schematic Diagrams

System Circuit Diagram

Body control unit

Heated steering wheel pad

Heated steering wheel switch

Termainal function

Body contorl unit

Pin	Function
C22	Ignition 2_Heated handle power
C11	Heated handle
A21	NTC (-)
B15	NTC (+)
D10	Heated handle IND.

Heated steering wheel pad

Housing	Pin	Function	Wire color
Pad	A	Ground	RED
	B	HEATER	BLACK
	C	NTC+	GREEN
	D	NTC-	WHITE

Heated steering wheel switch

Pin	Function
7	Wheel heated
12	Wheel heated IND.

Heated Steering wheel Repair procedures

Removal

Heated steering wheel switch

1.	Disconnect the negative (-) battery terminal.

2.	Remove the floor console upper complete assembly. (Refer to Body - "Floor Console Assembly")

3.	Disconnect the connector (A).

4.	To install, reverse the removal procedure.

Heated steering wheel control module (Body control moduel(BCM))

1.	Disconnect the negative (-) battery terminal.

2.	Remove the glove box. (Refer to Body - "Glove Box Upper Cover Assembly")

3.	Remove the smart key unit. (Refer to Body - "Smart Key Unit")

4.	Disconnect the body control module connectors (A).

5.	Remove the body control module (A) after loosening the mounting nuts.

6.	To install, reverse the removal procedure.

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