Hyundai Elantra: AVN System / AVN Remote Controller Repair procedures

Inspection
1.
Check for resistance between terminals in each switch position (LH).

[LH : Audio + Hands free]
Switch
Connector
terminal
Resistance
(±5%)
SEEK Up
2-5
430 ?
SEEK Down
1.11 k?
MODE
2.11 k?
MUTE
3.11 k?
Volume (+)
4.61 k?
Volume (-)
6.81 k?
Voice
10.71 k?
SEND
18.91 k?
END
40.91 k?

2.
Check for resistance between terminals in each switch position (RH).

[RH : Trip + Cruise]
Switch
Connector
terminal
Resistance
(±5%)
Cancel
2-5
330 ?
SET -
550 ?
RES +
880 ?
Cruise ON/OFF
1.44 k?
Group
3-5
550 ?
Trip Up
880 ?
Trip Down
1.44 k?
ENTER
2.54 k?
SCC ON / OFF
5.54 k?

Removal
1.
Disconnect the negative (-) battery terminal.
2.
Remove the steering wheel assembly.
(Refer to Steering System - "Steering Wheel")
3.
Remove the steering back cover (A).

4.
Remove the steering remote control connector (A).

5.
Remove the steering remote control after loosening the screws.

Installation
1.
Install the steering wheel remote control after connecting the connector.
2.
Connect the negative (-) battery terminal.
AVN Remote Controller Schematic Diagrams
Circuit Diagram [Audio + B/Tooth + Voice] [Trip] [Trip / Cruise] [Trip / Cruise/ Smart Cruise] ...

AVN Antenna Components and Components Location
Components [SXM] [SXM + GPS] [SXM + GPS + LTE] ...

Other information:

Hyundai Elantra AD (2016-2020) Service Manual: Description and Operation
Description This specification applies to HCU(Hydraulic Control Unit) and ECU(Electronic Control Unit) of the HECU.(Hydraulic and Electronic Control Unit) This specification is for the wiring design and installation of ABS ECU. This unit has the functions as follows. - Input of signal fr ...

Hyundai Elantra AD (2016-2020) Service Manual: Heater Core Repair procedures
Replacement 1. Disconnect the negative (-) battery terminal. 2. Remove the heater and blower assembly. (Refer to Heater - "Heater Unit") 3. Remove the heater core cover (A) after loosening the mounting screws. 4. Pull out the heater core (A) from the heater unit. 5. To intall, ...

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