Hyundai Elantra (CN7): AVN System / USB Jack

Hyundai Elantra (CN7) 2021-2026 Service Manual / Body Electrical System / AVN System / USB Jack

Description and operation

Description

The multimedia jack on the console upper cover is for customers who like to listen to external portable music players like the MP3 etc., through the vehicle's sound system when it is linked to this jack. The customer has this added option.

In case of distortions from media connected to the AUX source, the audio unit may not be defective but the output level of the used media does not match the specification of the AUX input.

Schematic diagrams

Circuit Diagram

Repair procedures

Removal

1.	Disconnect the battery (-) terminals.

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

3.	Remove the UBS port assembly (A).

4.	Remove the avn head unit. (Refer to AVN System - "AVN(Audio Video Navigation) head unit")

5.	Disconect the USB connector (A).

6.	Disconect the USB connector (B). [Display Audio only]

7.	Remove the USB jack (A) after releasing the fixed hooks.

Installation

1.	Connect the USB jack connector.

2.	Install the USB jack.

3.	Install the UBS port assembly.

❮Speaker

Repair procedures Inspection1.Troubleshooting for Speaker(1)Basic inspection of speakerInspect the sound from speaker after verifying that the speaker mounting screws is removed and the wiring connector is connected precisely to remove vibration transmitted from body trims and surrounding parts.

Mic❯

Repair procedures Inspection1.Disconnector the negative (-) battery terminal.2.Remove the overhead console lamp.(Refer to Body Electrical System - "Overhead Console Lamp")3.

Other information:

Hyundai Elantra (CN7) 2021-2026 Service Manual: Description and operation

DescriptionSystem OverviewThe System offers the following features:– Human / machine interface through a 1-stage button, for terminal switching and engine start.– Control of external relays for ACC / IGN1 / IGN2 terminal switching and STARTER, without use of mechanical ignition switch.

Hyundai Elantra (CN7) 2021-2026 Service Manual: Compressor oil

Repair procedures Oil Specification1.The HFC-134a system requires synthetic (PAG) compressor oil whereas the R-12 system requires mineral compressor oil. The two oils must never be mixed.2.Compressor (PAG) oil varies according to compressor model. Be sure to use oil specified for the model of compressor.