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# Kia Soul EV: Audio / Troubleshooting

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

Troubleshooting

Troubleshooting (Step type)

Symptom | Suspected area | Repairment
POWER (Turn on, Turn off by itself, Freezes) | Check the connection | R-1
Audio H/U | R-2
FREEZES | Bluetooth issue | R-3
Check the RESET | R-4
NO DISPLAY | Check the connection | R-2
Lines/Spot | LCD MODULE | R-5
No Backlight | LCD MODULE | R-5
Touch INOP | LCD MODULE | R-5
BLUETOOTH NOT PAIRING/STREAMING | Check the compatibility of BT (Check the phone kind) | R-6
LOOSE CONNECTION | BT module | R-6
BLUETOOTH VOICE RECOGNITION | Check the compatibility of BT (Check the phone kind) | R-7
MIC module | R-7
Back Veiw Camera Funtional | Back view Camera module | R-8
Check the vehicel wiring | R-8
USB I/F ERROR | Check the compatibility of USB (Check the USB) | R-9
iPOD I/F ERROR | Check the terminal connection of multimedia | R-9
No Sound(ALL/CH) | Check the AUDIO H/U Setup | R-10
Chec the connection of wiring | R-10
AUDIO H/U | R-10
Check the wiring of the speaker and Audio H/U(EXT. AMP) | R-10
Noise occurs (Static noise) | NOISE SOURCE definition | R-11
Chec the connection of wiring | R-10
AUDIO H/U | R-10
Check the wiring of the speaker and Audio H/U(EXT. AMP) | R-10
BUTTON (Not Functional, Stuck) | FRONT Panel | R-12
AUDIO H/U | R-12
FM/AM Reception/Noise | Check the vehicle wiring | R-13
Check the radion antenna | R-13
AUDIO H/U | R-13
SIRIUS Reception, Antenna Error | Check the vehicle wiring | R-14
Check the term of SIRIUS service | R-14
Loading Error, Antenna Error | SIRIUS module | R-14

R-1 : Check the connection

1. | Check to remove/ reinsert the Audio fuse.
OK | ? If the Audio is normal operation, it is OK.
NG | ? Check the Audio H/U power connector. (R-2)

R-2 : Check the Audio H/U

1. | Check the Audio H/U power connector.
OK | ? Check again after checking the cable harness or connector.
Tester Connection | Condition | Specificed Condition
CON-B11 - GND | Always | 9 ~ 16 V
CON-B12 - GND | Always | 9 ~ 16 V
CON-B24 - GND | Always | Below 1?
NG | ? Check again after replacing the Audio H/U. And then if the Audio is normal operation, replace the Audio H/U.

R-3 : Power (Freezes - stop operation to relate with the bluetooth)

1. | Check happening to the problem while connecting the bluetooth.

2. | Check again after releasing the bluetooth connection.
OK | ? The Audio is normal operation. (Phone compatibility)
NG | ? If it happends to the same problem again, refer to R-4.

R-4 : Power (Freezes - Stop the Audio operation)

1. | Check to remove/ reinsert the Audio fuse.
OK | ? The Audio is normal operation.
NG | ? Replace the Audio H/U.

R-5 : No display

1. | Check the connection of between the front and main cable.
OK | ? If the Audio is normal operation, reconnect the cable.
NG | ? Go to step 2

2. | Replace the front panel (Lines/ Spot/ No backlight)
OK | ? Replace the LCD module or the front panel.
NG | ? Go to step 3

3. | Replace the Audio H/U.

R-6 : Bluetooth Not Pairing

1. | Check the kind of phone which customer uses. (Compare with the compatibility list)
OK | ? It can not be pair for the model which is not in the compatibility list.
NG | ? Go to step 2

2. | Try to pair to other phone.
OK | ? If the bluetooth in normal operating, it is the problem of phone compatibility.
NG | ? Go to step 3

3. | Replace the Audio H/U.

R-7 : Bluetooth Voice Recongnition

1. | Check the same problem again after replacing the MIC module.
OK | ? If the bluetooth is normal operating, replace the MIC module.
NG | ? Go to step 2

2. | Check for continuity between the termnials. (Open/ Ground short)
OK | ? If the bluetooth is normal operating, check the cable and connection.
NG | ? Go to step 3

3. | Replace the Audio H/U.

R-8 : Back View Camera Functional

1. | Replace the back view camera.
OK | ? If the back view camera is normal operating, replace the back view camera.
NG | ? Go to step 2

2. | Check the cable harness or connection.
OK | ? If the back view camera is normal operating, check the cable and connection.
NG | ? Go to step 3

3. | Replace the Audio H/U.
OK | ? If the back view camera is normal operating, replace the Audio H/U.
NG | ? Check the vehicle wiring.

R-9 : USB, iPod I/F ERROR

1. | Check the kind of USB and iPod.
OK | ? It can not be pair for the model which is not in the compatibility list.
NG | ? Go to step 2

2. | Replace the multimedia jack.
OK | ? If USB and iPod is normal operating, replace the multimedia jack.
NG | ? Go to step 3

3. | Check the vehicle wiring.
OK | ? Check the connection and others.
NG | ? Go to step 4

4. | Replace the Audio H/U.

R-10 : NO SOUND (ALL/CH)

1. | Check the setup sound setting to the Audio H/U. (Fader/ Ballance)

2. | Check the speaker cable harness or connection. (Open/ Short)
OK | ? Check again after repairing or replacing the cable harness or connector.
NG | ? Go to step 3

3. | Replace the Audio H/U.
OK | ? If the sound is normal operating, replace the Audio H/U.
NG | ? Go to step 4

4. | Check the wiring of between speaker and Audio H/U.

R-11 : Noise occurs (STATIC NOISE)

1. | Noise source description
Condition in Which Noise Occurs | Noise Type
Depressing accelerator pedal increase noise, and stopping engine stops noise immediately | Generator nosie
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
OK | ? Check the noise source.
NG | ? Refer to R-12

R-12 : Button (Not Functional, Stuck)

1. | Check the front connecting cable and check again after replacing the front panel.
NG | ? Reconnect the cable and replace the front panel.
OK | ? Replace the Audio H/U. And then if the Audio is normal operating, replac the Audio H/U.

R-13 : Radio Broadcast cannot be Received (Bad Reception)

1. | Check the antenna connection jack.
OK | ? Check again after reconnecting the antenna jack, It is poor connection.
NG | ? Go to step 2

2. | Check the antenna feeder cable connection and replace the antenna.
OK | ? Check again after repairing or replacing the wiring or replace the antenna.
NG | ? Replace the Audio H/U.

R-14 : SIRIUS RECEPTION (LCD Display character)

1. | Preparing SIRIUS Radio... : When changing the power supply, checking to communicate with SIRIUS module...

2. | SIRIUS Start Up Error : Not communicating with SIRIUS module

3. | Antenna Error : Antenna connection is poor or it happens to GND Short

4. | No signal : Antenna is connected but there is no signal

5. | Weak : There is normal condition but there is poor reception as satellite signal is weak
(1) | Antenna Error, SIRIUS Start Up Error : Check the connection of the SIRIUS antenna connector.
OK | ? Check again after reconnecting the antenna jack, It is poor connection. (GND Short)
NG<
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