- Soul EV Manuals
- Owners
- Service
- New
- Top
- Sitemap
- Search

# Kia Soul EV: AVN System / Troubleshooting

Kia Soul EV (PS EV) 2015-2020 Service Manual / Body Electrical System / AVN System / Troubleshooting

Troubleshooting Guide

Troubleshooting (In stages)

Trouble Symptom | Probable Cause | Remedy
System does not turn on when power switch is pressed | Radio receiver power source circuit | R-1
LCD module | R-1
Panel switch does not function | Steering pad switch circuit | R-3
AVN head unit front PCB ass''y | R-1
Radio receiver power source circuit | R-1
No sound can be heard from speakers | Radio receiver power source circuit | R-1
Check the wiring between speakers and AVN H/U | R-6
Noise occurs | Proceed to "noise occurs" | R-5
Radio broadcast cannot be received (poor reception) | Proceed to "radio broadcast cannot be received" (poor reception) | R-4
Radio receiver lamp does not operate when light control switch is on | Illumination circuit | R-6
Radio receiver power source circuit | R-1
Display does not dim out when light control switch is on | Illumination circuit | R-6
Power does not turn off | AVN H/U | R-1
Bluetooth voice recognition fault | AVN H/U | R-1
MIC input | R-7
USB I/F error | AVN head unit | R-1
USB device fault | R-8
Check the multimedia connector | R-8
iPod I/F error | AVN H/U | R-1
Check the multimedia connector | R-8
AUX connection error | AVN H/U | R-1
Check the multimedia connector | R-8

R-1 : Replace the AVN head unit

1. | Check the same problem after replacing the AVN H/U.
OK | ? If AVN is operating normally, replace the AVN H/U.
NG | ? Check the vehicle wiring. (Refer to removal procedure, R-2)

R-2 : Check the power connection of AVN H/U

1. | Remove the AVN H/U.

2. | Check the specified condition of terminal.
OK
Tester Connection | Condition | Specified Condition
CON-B11/B12 - GND (B+) | Always | 9 ~ 16 V
CON-B18 - GND (ACC) | Always | 9 ~ 16 V
CON-B23 - GND | Always | Below 1?
CON-B24 - GND | Always | Below 1?
NG | ? Check again after repairing or replacing the cable harness or connector.

R-3 : Check the steering wheel remote control

1. | Check the steering wheel remote control connector specification (Refer to “Audio remote control inspection”)
OK | ? Replace the AVN H/U
NG | ? Replace the steering wheel remote control switch

R-4 : Radio broadcast cannot be received (Bad reception)

1. | Check the radio broadcast reception after replacing the AVN H/U
OK | ? If AVN is operating normally, replace the AVN H/U.
NG | ? Go to step 2

2. | Check the antenna jack
OK | ? Check the radio broadcast reception again after connecting the antenna jack.
NG | ? Go to step 3

3. | Check the antenna amp input voltage (Refer to “Antenna –Glass antenna circuit inspection”)
OK | ? Check the antenna amp input voltage (Refer to “Antenna –Antenna cable”)
NG | ? Go to step 4

4. | Check the feeder cable connection (Refer to “Antenna –Antenna cable”)
OK | ? Check again after repairing or replacing the antenna feeder cable.
NG | ? Go to step 5

5. | Check and repair the roof antenna.

R-5 : Check that speakers are installed tightly

OK | ? Install the speakers tightly

NG | ? Install the speakers tightly

1. | Noise source description
Conditions of Noise Occurrences | Noise Type
Depressing accelerator pedal increases noise, and stopping engine stops noise immediately | Generator noise
When A/C or heater is operating | Blower motor noise
• | When rapidly accelerating on unpaved road
• | When engine switch is turned on (IG)
| Fuel pump noise
• | When horn switch is pressed and released
• | When horn switch is pressed and held down
| Horn noise
Running engine causes soft noise, and stopping engine stops noise immediately | Ignition noise
Noise occurs synchronously with turn signal flash | Flasher noise
Noise occurs during window washer operation | Washer noise
Running engine causes noise, but stopping engine does not stop noise | Engine coolant temperature sensor noise
When wiper is operating | Wiper noise
When brake pedal is depressed | Stop light switch noise
Other | Static electricity on vehicle

R-6 : Check again after replacing the AVN H/U

OK | ? Remove the AVN H/U.

NG | ? Go to step 1

1. | Check the input signal of illumination (+)
Tester Connection | Condition | Specificed Condition
CON-A8 - GND | Always | 9~16 V
OK | ? Check the vehicle wiring
NG | ? Go to step2

2. | Check the illumination (-) input signal using the oscilloscope
Tester Connection | Condition | Specificed Condition
CON-A17 - GND | Always | Check the PWM waveform
OK | ? Check the vehicle wiring and cluster PWM output
NG | ? Go to step3

3. | Check the vehicle illumination control unit

R-7 : Check the microphone input condition

Tester Connection | Condition | Specificed Condition
CON-B10 - MIC (+) | Always | Below 1?
CON-B22 - MIC (-) | Always | Below 1?
CON-B22 - GND | Always | Open

OK | ? Check the vehicle wiring and microphone

NG | ? Go to step1

1. | Test again after replacing the microphone

R-8 : Test after replacing the AVN H/U

1. | Test after replacing the multimedia jack
OK | ? Replace the multimedia jack
NG | ? Go to step 2

2. | Check the vehicle USB cable.
OK | ? Replace the vehicle USB cable
NG | ? Go to step 3

3. | Check the multimedia jack connector
Tester Connection | Condition | Specificed Condition
AVN H/U CON-B8 - Multimedia jack CON-C2 | Always | Below 1?
AVN H/U CON-B21 - Multimedia jack CON-C1 | Always | Below 1?
AVN H/U CON-B20 - Multimedia jack CON-C3 | Always | Below 1?
AVN H/U CON-B9 - Multimedia jack CON-C7 | Always | Below 1?

Troubleshooting (Flow chart type)

There are six areas where a problem can occur
: the power system, the LCD/LED system, the sound system, the radio system, the USB/iPod/AUX system, and the bluetooth system.
Troubleshooting enables you to narrow down to the specific cause of the problem.

##### Roof Antenna Repair procedures

Removal 1. Disconnect the negative (-) battery terminal. 2. Disconnect the roof antenna connectors (A). 3. Disconnect the roof antenna power connector (A). 4. Remove the roof antenna a ...

##### Rearview Camera System

...

##### Other information:

### Kia Soul EV (PS EV) 2015-2020 Service Manual: Components and Components Location

Component Location 1. Back view camera2. AVN head unit ...

### Kia Soul EV (PS EV) 2015-2020 Service Manual: Pre-Charge Registor Repair procedures

Removal Main Relay, Pre Charge Relay, Pre Charge Resistor, Battery Current Sensor, High Voltage Battery Heater Relay and the High Voltage Battery Heater Fuse are integrated in the Power Relay Assembly (PRA). So Refer to the removal procedure of Power Relay Assem ...
Copyright © www.ksoulev.com 2020-2021