AVN Head Unit Repair Procedures

Removal

Wear gloves to protect your hands.

Using a flat-tip screwdriver, wrap protective tape around the tip and apply protective tape around the relevant parts to prevent damage. Use a plastic panel removal tool to remove the interior trim parts so as not to damage the surface. Be careful not to bend or scratch the trim and panels.

1. 1
   Disconnect the negative (-) battery terminal.
2. 2
   Remove the center instrument panel (A) from the airbag.

   

3. 3
   Disconnect the connectors (A) from the center panel.

   

4. 4
   Remove the AVN head unit (A) after loosening the mounting screws.

   

5. 5
   Disconnect the connectors (A) from the AVN head unit.

   

Installation

1. 1
   Connect the AVN head unit connectors.
2. 2
   Install the AVN head unit.
3. 3
   Install the center fascia panel.
4. 4
   Connect the negative (-) battery terminal.

   Make sure the AVN head unit connectors are connected properly and the antenna cable is connected correctly.

Inspection

1. Check the specified value of the AVN head unit connectors under the specified condition. Connector A

   No.	Name	Terminal Description	Condition	Specified condition
   A1	Rear Left Speaker (+)	Rear left speaker+	Vehicle connection required	Analog output
   A2	Front Left Speaker (+)	Front left speaker+	Vehicle connection required	Analog output
   A3	Front Right Speaker (+)	Front right speaker+	Vehicle connection required	Analog output
   A4	Rear Right Speaker (+)	Rear right speaker+	Vehicle connection required	Analog output
   A5	-	-	?	?
   A6	-	-	?	?
   A7	-	-	?	?
   A8	Illumination (+)	Vehicle dimmer +	Vehicle connection required	?
   A9	Latch	Latch	Vehicle connection required	?
   A10	Rear Left Speaker (-)	Rear left speaker-	Vehicle connection required	Analog output
   A11	Front Left Speaker (-)	Front left speaker-	Vehicle connection required	Analog output
   A12	Front Right Speaker (-)	Front right speaker-	Vehicle connection required	Analog output
   A13	Rear Right Speaker (-)	Rear right speaker-	Vehicle connection required	Analog output
   A14	-	-	?	?
   A15	-	-	?	?
   A16	-	-	?	?
   A17	Illumination (-)	Vehicle dimmer -	Vehicle connection required	?
   A18	External Antenna	Remote power supply for antenna	Battery on	9 V ~ 18 V

   
   Connector B

   No.	Name	Terminal Description	Condition	Specified condition
   B1	MM CAN High	MM_CAN_HIGH	Vehicle connection required	External amplifier connection
   B2	-	-	-	-
   B3	Parking	PARKING from vehicle	-	-
   B4	Steering Wheel Remote Control	Steering Wheel Remote Control	Steering wheel switch pressed	0.5 V ~ 3 V
   B5	-	-	-	-
   B6	MTS key	-	-	-
   B7	AUX video	Auxiliary Video	MultiJack connection required	-
   B8	AUX Right Input	AUX right audio signal	External auxiliary device plays audio (When using the AUX jack)	Signal synchronized with audio is output.
   B9	Auxiliary Ground	AUX reference ground	MultiJack connection required	Below 1 ohm
   B10	MIC (+)	Bluetooth microphone +	Input voice signal through microphone	Waveform synchronized with voice data through microphone
   B11	Battery (+)	Battery	Always	11 V ~ 14 V
   B12	Battery (+)	Battery	Always	11 V ~ 14 V
   B13	MM CAN Low	MM_CAN_LOW	Vehicle connection required	External amplifier connection
   B14	Auto Light	ILLUMINATION from vehicle	-	-
   B15	P Position	P-RANGE from vehicle	-	-
   B16	Speed	Vehicle speed sensor signal	Engine switch on (IGN), vehicle moving slowly	Approx. 5 V level pulse generation
   B17	Remote Control Ground	Steering wheel remote control GND	Always	Below 1 ohm
   B18	ACC	Accessory	Engine switch on (ACC)	11 V ~ 14 V
   B19	AUX video ground	AUX video GROUND	Always	Below 1 ohm
   B20	AUXILIARY DETECTION	AUX input signal detection	Auxiliary device inserted	0 V (low) > 5 V (high)
   B21	AUX Left Input	AUX left audio signal	External auxiliary device plays audio (When using the AUX jack)	Signal synchronized with audio is output.
   B22	MIC (-)	Bluetooth microphone-	Input voice signal through microphone	Waveform synchronized with voice data through microphone
   B23	Ground	Ground	Always	Below 1 ohm
   B24	Ground	Ground	Always	Below 1 ohm

   
   Connector C

   No.	Name	Terminal Description	Condition	Specified condition
   C1	CAN (-)	CHASSIS_CAN_LOW	Vehicle connection required	-
   C2	CAN (+)	CHASSIS_CAN_HIGH	Vehicle connection required	-
   C3	-	-	-	-
   C4	-	-	-	-
   C5	BCM wake-up	-	-	-
   C6	-	-	-	-
   C7	-	-	-	-
   C8	-	-	-	-
   C9	-	-	-	-
   C10	-	-	-	-
   C11	B MAY (+)	BODY_CAN_HIGH	Vehicle connection required	-
   C12	B MAY (-)	BODY_CAN_LOW	Vehicle connection required	-
   C13	-	-	-	-
   C14	Air Bag	AIRBAG from vehicle	-	-
   C15	-	-