Hyundai Sonata LF: AVN System / AVN Remote Controller Repair procedures

Hyundai Sonata LF 2014-2019 Service Manual / Body Electrical System / AVN System / AVN Remote Controller Repair procedures

Inspection

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?

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

[RH : Audio + Hands free]

Switch	Connector Terminal	Resistance (±5%)
Cancel	3-5	330 ?
SET -		550 ?
RES +		880 ?
Cruise ON/OFF		1.44 k?
SCC (Following distance control)		5.54 k?
Group	2-5	560 ?
Trip Up		890 ?
Trip Down		1.45 k?
ENTER		2.55 k?

Removal

1.	Disconnect the negative (-) battery terminal.

2.	Remove the steering wheel assembly. (Refer to Steering System - "Steering Wheel")

3.	Remove the screw from the steering cover.

4.	Remove the steering back cover (A).

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

6.	Remove the steering remote control (A) 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

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AVN Remote Controller (Sonata Sports) Components and Components Location

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Other information:

Hyundai Sonata LF 2014-2019 Service Manual: Troubleshooting

Troubleshooting Ignition System SymptomSuspect AreaRemedyEngine will not start or is hard to start (Cranks OK)Ignition lock switchInspect ignition lock switch, or replace as requiredIgnition coilInspect ignition coil, or replace as requiredSpark plugsInspect spark plugs, or replace as requiredIgnition wiring disconnected or brokenRepair wiring, or replace as requiredRough idle or stallsIgnition wiringRepair wiring, or replace as requiredIgnition coilInspect ignition coil, or replace as requiredEngine hesitates/poor accelerationSpark plugs and spark plug cablesInspect spark plugs / cable, or replace as requiredIgnition wiringRepair wiring, or replace as requiredPoor mileageSpark plugs and spark plug cablesInspect spark plugs / cable, or replace as required Charging System SymptomSuspect AreaRemedyCharging warning indicator does not light with ignition switch "ON" and engine off...

Hyundai Sonata LF 2014-2019 Service Manual: Inhibitor Switch Specifications