Kia Rio: Multimedia Jack Troubleshooting
Symptom
|
Suspected area
|
Repairment
|
Pressing power switch does not turn on system
|
Radio receiver power source circuit
|
R-1
|
LCD module
|
R-1
|
Panel switch does not function
|
Steering pad switch circuit
|
R-3
|
Audio H/U 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
|
Speaker ↔ H/U wiring
|
R-4
|
Speaker input Waveform
|
R-5
|
Noise occurs
|
Proceed to "noise occurs"
|
R-7
|
Radio broadcast cannot be received
|
Proceed to "radio broadcast cannot be received (poor reception)"
|
R-6
|
Disc cannot be inserted or is ejected right after insertion
|
Radio receiver power source circuit
|
R-1
|
Proceed to "Disc cannot be inserted or is ejected right after
insertion"
|
R-12
|
Disc cannot be ejected.
|
Radio receiver power source circuit
|
R-1
|
CD sound skips
|
CD player
|
R-13
|
Illumination for radio receiver does not come on whth light
control switch on.
|
Illumination circuit
|
R-8
|
Head unit display
|
R-8
|
Radio receiver power source circuit
|
R-1
|
Display does not dim with light control switch turned on
|
Illumination circuit
|
R-9
|
Power does not turn off
|
Audio H/U
|
R-1
|
Bluetooth voice recognition faulty
|
Audio H/U
|
R-1
|
Mic input
|
R-10
|
USB I/F error
|
Audio H/U
|
R-1
|
Usb device faulty
|
R-11
|
Multimedia terminal connection
|
R-10
|
iPod I/F error
|
Audio H/U
|
R-1
|
Ipod faulty
|
R-11
|
Multimedia terminal connection
|
R-10
|
AUX connection error
|
Audio H/U
|
R-1
|
Multimedia terminal connection
|
R-10
|
R-1 : Replace the audio head unit
|
1. |
Check the same problems after replaceing the audio head unit
OK
|
▶ If Audio is normal operating, replace the audio head unit
|
NG
|
▶ Check the vehicle wiring. (Refer to removal procedure. R-2)
|
|
R-2 : Check the power connection of audio head unit.
|
1. |
Remove the audio head unit.
|
|
2. |
Check the specified condition of terminal.
OK
|
Tester Connection
|
Condition
|
Specified Condition
|
CON-B11 ↔ GND
|
Always
|
9~12 V
|
CON-B12 ↔ GND
|
Always
|
9~12 V
|
CON-B24 ↔ GND
|
Always
|
Below 1Ω
|
|
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 audio head unit. (Refer to R-1)
|
NG
|
▶ Replace the steering wheel remote control switch.
|
|
R-4 : Check the wiring harness and connector
|
1. |
Remove the audio head unit
Tester Connection
|
Condition
|
Specified Condition
|
CON-A1 ↔ RL SPK +
|
Always
|
Below 1Ω
|
CON-A10 ↔RL SPK -
|
Always
|
Below 1Ω
|
CON-A2 ↔ FL SPK +
|
Always
|
Below 1Ω
|
CON-A11 ↔ FL SPK -
|
Always
|
Below 1Ω
|
CONA3 ↔ FR SPK +
|
Always
|
Below 1Ω
|
CON-A12 ↔ FR SPK -
|
Always
|
Below 1Ω
|
CON-A4 ↔ RR SPK +
|
Always
|
Below 1Ω
|
CON-A13 ↔ RR SPK -
|
Always
|
Below 1Ω
|
CON-A1, 2, 3, 4, 10, 11, 12, 13 ↔ GND
|
Always
|
OPEN
|
|
R-5 : Check the wiring harness and connector
|
1. |
Remove the audio head unit
|
|
2. |
Check the output of audio head unit and external amplifier using
the oscilloscope
Tester Connection
|
Condition
|
Specified Condition
|
CON-A1 ↔ GND
|
Audio sound is being produced
|
A waveform synchronized with sound is output
|
CON-A10 ↔ GND
|
Audio sound is being produced
|
A waveform synchronized with sound is output
|
CON-A2 ↔ GND
|
Audio sound is being produced
|
A waveform synchronized with sound is output
|
CON-A11 ↔ GND
|
Audio sound is being produced
|
A waveform synchronized with sound is output
|
CON-A3 ↔ GND
|
Audio sound is being produced
|
A waveform synchronized with sound is output
|
CON-A12 ↔ GND
|
Audio sound is being produced
|
A waveform synchronized with sound is output
|
CON-A4 ↔ GND
|
Audio sound is being produced
|
A waveform synchronized with sound is output
|
CON-A13 ↔ GND
|
Audio sound is being produced
|
A waveform synchronized with sound is output
|
|
R-6 : Radio Broadcast cannot be Received (Bad reception)
|
1. |
Check the radio broadcast reception after replacing the audio
head unit
OK
|
▶ If Audio is normal operating, replace the audio head unit
|
|
|
2. |
Check the antenna jack
NG
|
▶ Check again the radio broadcast reception after connecting
the antenna jack
|
|
|
3. |
Check the antenna amp input voltage (Refer to "Antenna - Glass
antenna circuit inspection"
NG
|
▶ Check the antenna amp input voltage (Refer to "Antenna - Antenna
cable"
|
|
|
4. |
Check the feeder cable connection (Refer to "Antenna - Antenna
cable")
NG
|
▶ Check again after repairing or replacing the antenna feeder
cable.
|
|
|
5. |
Check again the radio broadcast reception after replacing the
external amplifier
OK
|
▶ If Audio is normal operating, replace the external amplifier
|
|
|
6. |
Check and repair the glass antenna. (Refer to "Antenna - Glass
antenna test")
|
R-7 : Check that speakers are installed tightly.
NG
|
▶ Install the speakers tightly.
|
|
1. |
Noise source description
Condition in Which Noise Occurs
|
Noise Type
|
Depressing accelerator pedal increases 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
|
▶ Check again after replacing the audio head unit
|
|
|
2. |
Repair or replace the noise source
|
R-8 : Check again after replacing the audio head unit
OK
|
▶ Remove the audio head unit
|
|
1. |
Check the input signal of Illumination (+)
FOR PA30A
Tester Connection
|
Condition
|
Specified Condition
|
CON-A8 ↔ GND
|
Always
|
9~16 V
|
FOR BA900
Tester Connection
|
Condition
|
Specified Condition
|
CON-C5 ↔ GND
|
Always
|
9~16 V
|
CON-C4 ↔ GND
|
Always
|
Below 1Ω
|
NG
|
▶ Check the vehicle wiring
|
|
|
2. |
Check the illumination (-) input signal using the oscilloscope
FOR PA30A
Tester Connection
|
Condition
|
Specified Condition
|
CON-A17 ↔ GND
|
Always
|
Check the PWM waveform
|
FOR BA900
Tester Connection
|
Condition
|
Specified Condition
|
CON-A17/H17 ↔ GND
|
Always
|
Check the PWM waveform
|
NG
|
▶ Check the vehicle wiring and cluster PWM output.
|
|
|
3. |
Check the vehicle illumination control unit.
|
R-9 : Test after replacing the audio head unit
OK
|
▶ Replace the audio head unit
|
|
1. |
Check the illumination (-) input signal using the oscilloscope
FOR PA30A
Tester Connection
|
Condition
|
Specified Condition
|
CON-A17 ↔ GND
|
Always
|
Check the PWM waveform
|
FOR BA900
Tester Connection
|
Condition
|
Specified Condition
|
CON-A17/H17 ↔ GND
|
Always
|
Check the PWM waveform
|
Is PWM output waveform changed according to vehicle illumination
control ?
NG
|
▶ Check the vehicle wiring and cluster PWM output module.
|
|
|
2. |
Check the illumination detent input signal.
FOR PA30A, BA900
Tester Connection
|
Condition
|
Specified Condition
|
CON-A9 ↔ GND
|
Always
|
LOW : DETENT OFF
|
NG
|
▶ Check the vehicle wiring and cluster DETENT output signal
|
1.
Install the multimedia jack.
2.
Connect the multimedia jack connector.
...
See also:Ignition Switch Assembly Removal
1.
Disconnect the negative (-) battery terminal.
2.
Remove the steering column upper and lower shrouds.
(Refer to the ST group - & ...
Inspection
1.
Check for DTCs.
•
If a DTC is ...
LCD display warning (if equipped)
For vehicle’s equipped with smart key system
Key is not in vehicle
If the smart key is not in the vehicle and if any door is opened or closed with
the engine start/stop button in the ACC, ON, or ...
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