Kia Soul EV: Audio / Audio Unit Repair procedures

Kia Soul EV (PS EV) 2015-2020 Service Manual / Body Electrical System / Audio / Audio Unit Repair procedures

Removal

Put on gloves to protect your hands.

•	When prying with a flat-tip screwdriver, wrap it with protective tape, and apply protective tape around the related parts, to prevent damage.

•	Use a plastic panel removal tool to remove interior trim pieces to protect from marring the surface.

•	Take care not to bend or scratch the trim and panels.

1.	Disconnect the negative (-) battery terminal.

2.	Remove the center fascia panel (A) from the crash pad.

3.	Disconnect the connecters (A) from the center fascia panel.

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

5.	Disconnect the connectors and cable (A) from the audio head unit.

Installation

1.	Connect the connectors and cable.

2.	Install the audio head unit and center fascia panel.

Connect the negative (-) battery terminal.

1)	Make sure the connector are connected inproperly.

2)	Check the audio system.

Inspection

Check the specified value of AVN head unit connectors in specified condition.

Connector A

No.	Name	Terminal Description	Condition	Specified Condition
A1	Rear left speaker (+)	Loudspeaker Rear Left+	Needed connection to the car	Analog output
A2	Front left speaker (+)	Loudspeaker Front Left+	Needed connection to the car	Analog output
A3	Front right speaker (+)	Loudspeaker Front Right+	Needed connection to the car	Analog output
A4	Rear right speaker (+)	Loudspeaker Rear Right+	Needed connection to the car	Analog output
A5	-	-	?	?
A6	-	-	?	?
A7	-	-	?	?
A8	Illumination (+)	Rheostat from vehicle +	Needed connection to the car	?
A9	Detent	Detent	Needed connection to the car	?
A10	Rear left speaker (-)	Loudspeaker Rear Left-	Needed connection to the car	Analog output
A11	Front left speaker (-)	Loudspeaker Front Left-	Needed connection to the car	Analog output
A12	Front right speaker (-)	Loudspeaker Front Right-	Needed connection to the car	Analog output
A13	Rear right speaker (-)	Loudspeaker Rear Right-	Needed connection to the car	Analog output
A14	-	-	?	?
A15	-	-	?	?
A16	-	-	?	?
A17	Illumination (-)	Rheostat from vehicle -	Needed connection to the car	?
A18	Remote antenna	Remote Power supply for Antenna	Acc on	9V ~ 18V

Connector B

No.	Name	Terminal Description	Condition	Specified Condition
B1	-	-	?	?
B2	-	-	?	?
B3	-	-	?	?
B4	Steering remocon	Steering Wheel Remote Control	Steering Wheel switch pushed	0.5V ~ 3V
B5	-	-	?	?
B6	USB D (+)	USB D+	USB device is inserted	3.2V ~ 3.45
B7	USB/ iPod VDD	USB /iPod power	USB/iPod device is inserted	4.9V ~ 5.1V
B8	AUX R input	AUX Right Sound Signal	External Auxiliary device is Audio playing (At time of Aux jack use)	A waveform synchronized with sound is output
B9	AUX ground	AUX Reference Ground	Always	Below 1 ohm
B10	Mic (+) (Bluetooth)	Bluetooth MIC+	Input the Voice Signal via MIC	A waveform synchronized with Voice data via MIC
B11	ACC	Accessory	Engine switch on(ACC)	11 ~ 14 V
B12	Battery (+)	Battery	Always	11 ~ 14 V
B13	-	-	?	?
B14	-	-	?	?
B15	-	-	?	?
B16	Vehicle speed	Speed Sensor Signal	Engine switch on(IGN), car is moved slowly	Approx. 5V Level Pulse Generation
B17	Remote control ground	Steering Wheel Remote Control Gnd	Always	Below 1 ohm
B18	USB D (-)	USB D-	USB device is inserted	3.2V ~ 3.45
B19	USB/ iPod ground	iPod detection line	iPod device is inserted	GND
B20	AUX detect	AUX Signal Input Detect	Auxiliary device is inserted	0V(Low) > 5V(High)
B21	AUX L input	AUX Left Sound Signal	External Auxiliary device is Audio playing (At time of Aux jack use)	A waveform synchronized with sound is output
B22	Mic (-) (Bluetooth)	Bluetooth MIC-	Input the Voice Signal via MIC	A waveform synchronized with Voice data via MIC
B23	-	-	?	?
B24	Power ground	Ground	Always	Below 1 ohm

Audio Unit Components and Components Location

Components Connector Pin Information No.Connector AConnector B1Rear left speaker (+)-2Front left speaker (+)-3Front right speaker (+)-4Rear right speaker (+)Steering remocon5--6-USB D (+)7-USB/ ...

Speakers Repair procedures

Inspection 1. Troubleshooting for Speaker (1) Basic inspection of speaker Inspect the sound from speaker after verifying that the speaker mounting screws is removed and the wiring connector i ...

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