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# Kia Soul EV: AVN System / AVN Head Unit Repair procedures

Kia Soul EV (PS EV) 2015-2020 Service Manual / Body Electrical System / AVN System / AVN Head 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 connectors (A) from the center fascia panel.

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

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

Installation

1. | Connect the AVN head unit connectors.

2. | Install the AVN head unit.

3. | Install the center fascia panel.

4. | Connect the negative (-) battery terminal.
Make sure that the AVN head unit connectors are plugged in properly and the antenna cable is connected properly.

Inspection

1. | 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+ | Needs connection to the car | Analog output
A2 | Front left speaker (+) | Loudspeaker Front Left+ | Needs connection to the car | Analog output
A3 | Front right speaker (+) | Loudspeaker Front Right+ | Needs connection to the car | Analog output
A4 | Rear right speaker (+) | Loudspeaker Rear Right+ | Needs connection to the car | Analog output
A5 | - | - | ? | ?
A6 | - | - | ? | ?
A7 | - | - | ? | ?
A8 | Illumination (+) | Rheostat from vehicle + | Needs connection to the car | ?
A9 | Detent | Detent | Needs connection to the car | ?
A10 | Rear left speaker (-) | Loudspeaker Rear Left- | Needs connection to the car | Analog output
A11 | Front left speaker (-) | Loudspeaker Front Left- | Needs connection to the car | Analog output
A12 | Front right speaker (-) | Loudspeaker Front Right- | Needs connection to the car | Analog output
A13 | Rear right speaker (-) | Loudspeaker Rear Right- | Needs connection to the car | Analog output
A14 | - | - | ? | ?
A15 | - | - | ? | ?
A16 | - | - | ? | ?
A17 | Illumination (-) | Rheostat from vehicle - | Needs 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 | MM CAN high | MM_CAN_HIGH | Needs connection to the car | Communication with external amp
B2 | - | - | - | -
B3 | Parking | PARKING from vehicle | - | -
B4 | Steering remocon | Steering Wheel Remote Control | Steering Wheel switch pushed | 0.5V ~ 3V
B5 | - | - | - | -
B6 | MTS key | - | - | -
B7 | AUX video | AUX Video | Needs connection to the MultiJack | -
B8 | AUX right 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 | Needs connection to the MultiJack | Below 1 ohm
B10 | MIC (+) | Bluetooth MIC+ | Input the Voice Signal via MIC | A waveform synchronized with Voice data via MIC
B11 | Battery (+) | Battery | Always | 11 ~ 14 V
B12 | Battery (+) | Battery | Always | 11 ~ 14 V
B13 | MM CAN low | MM_CAN_LOW | Needs connection to the car | Communication with external amp
B14 | Auto light | AUTO-LIGHT from vehicle | - | -
B15 | P position | P-POSITON from vehicle | - | -
B16 | Speed | Speed Sensor Signal | Engine switch on(IGN), car is moved slowly | Approx. 5V Level Pulse Generation
B17 | Remocon ground | Steering Wheel Remote Control GND | Always | Below 1 ohm
B18 | ACC | Accessory | Engine switch on(ACC) | 11 ~ 14 V
B19 | AUX video ground | AUX Video GND | Always | Below 1 ohm
B20 | AUX DETECT | AUX Signal Input Detect | Auxiliary device is inserted | 0V(Low) > 5V(High)
B21 | AUX left 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 MIC- | Input the Voice Signal via MIC | A waveform synchronized with Voice data via MIC
B23 | Ground | Ground | Always | Below 1 ohm
B24 | Ground | Ground | Always | Below 1 ohm
Connector C
No. | Name | Terminal Description | Condition | Specified Condition
C1 | C CAN (-) | CHASSIS_CAN_LOW | Needs connection to the car | -
C2 | C CAN (+) | CHASSIS_CAN_HIGH | Needs connection to the car | -
C3 | - | - | - | -
C4 | - | - | - | -
C5 | OBC wake up | - | - | -
C6 | - | - | - | -
C7 | - | - | - | -
C8 | - | - | - | -
C9 | - | - | - | -
C10 | - | - | - | -
C11 | B CAN (+) | BODY_CAN_HIGH | Needs connection to the car | -
C12 | B CAN (-) | BODY_CAN_LOW | Needs connection to the car | -
C13 | - | - | - | -
C14 | Airbag | AIRBAG from vehicle | - | -
C15 | - | - |
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