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.
...
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1.
Check the coil spring for crack and deformation.
2.
Check the coil spring pad for damage and deformation.
...
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•
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