Hyundai Sonata: Troubleshooting - Audio - Body Electrical System - Hyundai Sonata YF 2011-2018 Service ManualHyundai Sonata: Troubleshooting

Troubleshooting

Symptom
Suspected area
Repairment
Pressing power switch does not turn on system
Radio receiver power source circuit
R-1
LCD module
R-1
Monitor
R-7
Monitor power
R-9
R-10
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
EXT. AMP I/F (For PA-760S)
R-4
R-6
R-8
EXT. AMP power source (For PA-760S)
R-5
Speaker ↔ H/U wiring
R-11
Speaker input Waveform
R-12
Noise occurs
Proceed to "noise occurs"
R-14
Radio broadcast cannot be received <poor reception>
Proceed to "radio broadcast cannot be received (poor reception)"
R-13
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-19
Disc cannot be ejected.
Radio receiver power source circuit
R-1
CD sound skips
CD player
R-20
Illumination for radio receiver does not come on whth light
control switch on.
Illumination circuit
R-15
Head unit display
R-15
Radio receiver power source circuit
R-1
Display does not dim with light control switch turned on
Illumination circuit
R-16
Power does not turn off
Audio H/U
R-1
Bluetooth voice recognition faulty
Audio H/U
R-1
Mic input
R-17
USB I/F error
Auido H/U
R-1
Usb device faulty
R-18
Multimedia terminal connection
R-17
iPod I/F error
Auido H/U
R-1
Ipod faulty
R-18
Multimedia terminal connection
R-17
AUX connection error
Auido H/U
R-1
Multimedia terminal connection
R-17

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 : Replace the external amplifier
1.
Check the same problems after replaceing the external amplifier
OK
▶ If Audio is normal operating, replace the external amplifier
NG
▶ Check the connectors of external amplifier power and interface (Refer to R-5,R-6 and R-8)

R-5 : Check the external amplifier power cable
1.
Remove the external amplifier
2.
Check the specified condition of terminal.

OK
Tester Connection
Condition
Specified Condition
CON-E1 ↔ GND
Always
9~12 V
CON-E7 ↔ GND
Always
9~12 V
CON-E15 ↔ GND
Always
Below 1Ω

NG
▶ Check again after repairing or replacing the Cable harness or Connector.

R-6 : Check the external amplifier CAN interface
1.
Remove the audio head Unit.
2.
Remove the external amplifier
3.
Check the specified condition of terminal.

OK

Tester Connection
Condition
Specified Condition
CON-I1 ↔ CON-E5
Always
Below 1Ω
CON-I1 ↔ GND
CON-E5 ↔ GND
Always
OPEN
CON-I13 ↔ CON-E6
Always
Below 1Ω
CON-I13 ↔ GND
CON-E6 ↔ GND
Always
OPEN

NG
▶ Check again after repairing or replacing the Cable harness or Connector.

R-7 : Check the audio monitor CAN interface
1.
Remove the audio head unit.
2.
Remove the audio monitor.
3.
Check the specified condition of terminal.

OK

Tester Connection
Condition
Specified Condition
CON-I1 ↔ CON-C8
Always
Below 1Ω
CON-I1 ↔ GND
CON-C8 ↔ GND
Always
OPEN
CON-I13 ↔ CON-C7
Always
Below 1Ω
CON-I13 ↔ GND
CON-C7 ↔ GND
Always
OPEN

NG
▶ Check again after repairing or replacing the Cable harness or Connector.

R-8 : Check the external amplifier S/PDIF connection
1.
Remove the audio head unit.
2.
Remove the external amplifier
3.
Check the specified condition of terminal.

OK

Tester Connection
Condition
Specified Condition
CON-H6 ↔ CON-E19
Always
Below 1Ω
CON-H6 ↔ GND
CON-E19↔ GND
Always
OPEN
CON-H15 ↔ CON-E18
Always
Below 1Ω
CON-H15 ↔ GND
CON-E18 ↔ GND
Always
OPEN

NG
▶ Check again after repairing or replacing the Cable harness or Connector.

R-9 : Replace the audio monitor
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 R-10 and R-7)

R-10 : Check the monitor power cable
1.
Remove the audio monitor.
2.
Check the specified condition of terminal.

OK

Tester Connection
Condition
Specified Condition
CON-C9 ↔ GND
Always
9~12 V
CON-C10 ↔ GND
Always
9~12 V
CON-C4 ↔ GND
Always
OPEN

NG
▶ Check again after repairing or replacing the Cable harness or Connector.

R-11 : Check the wiring harness and connector
1.
Remove the audio head unit
2.
Remove the external amplifier (For PA760s)
OK
▶ FOR PA-710S

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

OK
▶ FOR PA-760S

Tester Connection
Condition
Specified Condition
CON-E12 ↔ SUB WOOFER2 +
Always
Below 1Ω
CON-E25 ↔ SUB WOOFER2 -
Always
Below 1Ω
CON-E13 ↔ SUB WOOFER1 +
Always
Below 1Ω
CON-E26 ↔ SUB WOOFER1 -
Always
Below 1Ω
CON-F7 ↔ CENTER SPK +
Always
Below 1Ω
CON-F14 ↔ CENTER SPK -
Always
Below 1Ω
CON-G1 ↔ RR DOOR SPK +
Always
Below 1Ω
CON-G7 ↔ RR DOOR SPK -
Always
Below 1Ω
CON-G2 ↔ RL DOOR SPK +
Always
Below 1Ω
CON-G8 ↔ RL DOORSPK -
Always
Below 1Ω
CON-G3 ↔ FR SPK +
Always
Below 1Ω
CON-G9 ↔ FR SPK -
Always
Below 1Ω
CON-G4 ↔ FL SPK +
Always
Below 1Ω
CON-G10 ↔ FL SPK -
Always
Below 1Ω
CON-G5 ↔ FR DOOR SPK +
Always
Below 1Ω
CON-G11 ↔ FR DOOR SPK -
Always
Below 1Ω
CON-G6 ↔ FL DOOR SPK +
Always
Below 1Ω
CON-G12 ↔ FL DOOR SPK -
Always
Below 1Ω
CON-E12, 13, 25, 26/ F7, 14/
G1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12 ↔ GND
Always
OPEN

NG
▶ Check again after repairing or replacing the Cable harness or Connector.

R-12 : Check the wiring harness and connector
1.
Remove the audio head unit
2.
Remove the external amplifier (For PA760S)
3.
Check the output of audio head unit and external amplifier using the oscilloscope
OK
▶ FOR PA-710S

    Tester Connection
    Condition
    Specified Condition
    CON-A1 ↔ GND
    Audio sound is being produced
    Multimedia jack. Repair procedures
    Removal 1. Remove the shift lever knob. (Refer to the BD group - "Console") 2. Remove the console upper cover (A). ...

    See also:

    Brake Pedal. Repair procedures
    Removal 1. Remove the crash pad lower panel. (Refer to the Body group- crash pad). 2. Pull down steering column shaft after removing bolts ...

    Power Out Side Mirror Switch. Components and Components Location
    Component ...

    Theft-alarm stage
    The alarm will be activated if any of the following occurs while the system is armed. A door is opened without using the transmitter (or smart key or mechanical key). The trunk is opened wi ...