Hyundai Elantra (CN7): AVN System / AVN(Audio Video Navigation) head unit

Hyundai Elantra (CN7) 2021-2026 Service Manual / Body Electrical System / AVN System / AVN(Audio Video Navigation) head unit

Components and components location

Components

Middle East

Connector Pin Information

No	Connector A (Int AMP)	Connector A (Ext AMP)	Connector B
1	Rear left speaker (+)	-	-
2	Reart left speaker (-)	-	MIC Signal (+)
3	-	AMP Navi Voice (+)	-
4	-	AMP SPDIF (HI)	-
5	-	-	Antenna Powr
6	Camera Power	Camera Power	ILL (+)
7	Camera Video	Camera Video	MM CAN (HI)
8	-	-	-
9	-	-	-
10	-	-	B+
11	-	-	B+
12	Steering wheel remote	Steering wheel remote	GND
13	Front lift speaker (+)	-	GND
14	Front lift speaker (-)	-	MIC GND
15	Front right speaker (-)	-	MIC Signal (-)
16	Front right speaker (+)	-	-
17	-	AMP Navi Voice (-)	-
18	-	AMP SPDIF (LOW)	-
19	-	AMP SPDIF GND	-
20	Camera Power GND	Camera Power GND	MM CAN (LOW)
21	Camera Video GND	Camera Video GND	-
22	-	-	ACC
23	-	-	-
24	-	-	-
25	-	-	-
26	Steering wheel remote GND	Steering wheel remote GND	-
27	Rear right speaker (-)	-	-
28	Rear right speaker (+)	-	-
29	-	-	-
30	-	-	-
31	-	-	-
32	-	-	-
33	Camera shield ground	-	IGN 1
34	-	-	-
35	-	-	-
36	-	-
37	-	-
38	Speed	Speed

General

Connector Pin Information

No	Connector A (Ext AMP)	Connector B	Connector C
1	-	-	-
2	-	MIC Signal (+)	I-CAN (HI)
3	AMP Navi Voice (+)	-	-
4	AMP SPDIF (HI)	-	-
5	-	-	-
6	Camera Power	ILL (+)	-
7	Camera Video	MM CAN (HI)	-
8	-	-	-
9	-	-	I-CAN (LOW)
10	-	B+	-
11	USB Detect	B+	-
12	Steering wheel remote	GND	-
13	-	GND	-
14	-	-	-
15	-	MIC Signal (-)	-
16	-	-	MTS Key
17	AMP Navi Voice (-)	-	-
18	AMP SPDIF (LOW)	-	-
19	AMP SPDIF GND	ILL (-)	-
20	Camera Power GND	MM CAN (LOW)	-
21	Camera Video GND	-	-
22	-	ACC
23	-	-
24	-	Front monitor power
25	-	-
26	Steering wheel remote GND	-
27	-	-
28	-	-
29	-	-
30	-	-
31	-	-
32	-	-
33	Camera shield ground	IGN 1
34	-	-
35	-	Front monitor power ground
36	-
37	-
38	Speed

Repair procedures

Removal

•	Take care not to scratch the cluster fascia panel and related parts.

•	Wrap the protective tape on the tool to disassemble with the screwdriver or remover.

•	Use caution in keeping and handling during disassembling/assembling because it is easily contaminated with lubricant and oil.

1.	Disconnect the negative (-) battery terminal.

2.	When removing with a flat-tip screwdriver or remover, remove the steering column shroud upper panel (A).

3.	When removing with a flat-tip screwdriver or remover, remove the floor console side garnish (A).

4.	When removing with a flat-tip screwdriver or remover, remove the crash pad garnish[CTR] (A).

5.	Remove the heater & A/C control unit. (Refer to Heating, Ventilation and Air Conditioning - "Heater & A/C Control Unit (DATC)") (Refer to Heating, Ventilation and Air Conditioning - "Heater & A/C Control Unit (Manual)")

6.	Remove the AVN head unit (A) after loosening mounting screws.

7.	Remove the AVN head unit connectors and cables (A).

Installation

1.	Install the AVN head unit.

2.	Install the heater & A/C control unit.

3.	Install the crash pad garnish[CTR].

4.	Install the floor console side garnish.

5.	Install the steering column shroud upper panel.

Disconnect the negative (-) battery terminal.

•	Make sure that the cables and connectors are plugged in properly.

•	Check the AVN system for normal operation.

❮Components and components location

Component Location1. AVN head unit2. Crash pad antenna3. Bluelink keyboard & Hands-free mic (Built-in overhead console)4. Steering wheel remote control5.

External AMP❯

Components and components location Components NO Connector A NO Connector B 1BATT (+)1Subwoofer 2 (+)2BATT (+)2Subwoofer 1 (+)3BATT (+)3Sub woofer speaker (+)4BATT (+)4-5-5-6Multimedia CAN (High)6-7Multimedia CAN (Low)7Navigation voice (+)8ACC8-9-9-10-10-11-11-12-12Rear door speaker - RH (+)13-13Rear door speaker - LH (+)14-14Center speaker (+)15-15 -16Ground16Front door tweeter speaker - RH (-)17Ground17Front door tweeter speaker - LH (-)18Ground18Sub woofer speaker (-)19Ground19-20SPDIF (High)20-21SPDIF (Low)21Navigation voice (+)22SPDIF GND22-23-23-24IGN 124-25-25Rear door speaker - RH (-)26-26Rear door speaker - LH (-) 27-27Center speaker (+)28-28 - Repair procedures Removal1.

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