Hyundai Equus Manuals

Hyundai Azera: Troubleshooting - AVN System - Body Electrical System - Hyundai Azera 2011-2024 Service ManualHyundai Azera: Troubleshooting

Fifth generation HG (2011–2024) / Hyundai Azera 2011-2024 Service Manual / Body Electrical System / AVN System / Troubleshooting

Troubleshooting
Symptom
Suspected area
Repairment
Pressing power switch does not turn on system
AVN head unit receiver power source circuit
R-2
AVN monitor
R-15
Panel switch does not function
Steering pad switch circuit
R-3
AVN H/U front PCB assembly
R-1
AVN head unit receiver power source circuit
R-2
No sound can be heard from speakers
AVN head unit receiver power source circuit
R-2
EXT. AMP I/F 
R-4
R-6
R-7
EXT. AMP power source 
R-5
Check the wiring between speakers and AVN head unit
R-8
Noise occurs
Proceed to "noise occurs"
R-14
AVN head unit broadcast cannot be received 
Proceed to "AVN head unit broadcast cannot be received (poor reception)"
R-9
Disc cannot be inserted or is ejected right after insertion
Disc cannot be inserted or is ejected right after insertion
R-10
Disc cannot be ejected.
AVN head unit receiver power source circuit
R-2
Illumination for AVN head unit receiver does not come on whth light 
Illumination circuit 
R-11
control switch on.
AVN head unit receiver power source circuit
R-2
Display does not dim with light control switch turned on
Illumination circuit 
R-11
Power does not turn off
AVN head unit
R-1
BLUETOOTH voice recongnition fault
AVN head unit
R-1
MIC input
R-12
USB I/F error
AVN head unit
R-1
USB device fault
R-13
Check the multimedia connector
R-13
iPod I/F error
AVN head unit
R-1
iPod fault
R-13
Check the multimedia connector
R-13
AUX connection error
AVN head unit
R-1
Check the multimedia connector
R-13
AVN monitor error
AVN monitor unit
R-15
AVN monitor unit receiver power source circuit
R-16

R-1 : Replace the AVN head unit
1.
Check the same problems after replaceing the AVN head unit
OK
? If AVN is normal operating, replace the AVN head unit
NG
? Check the vehicle wiring. (Refer to removal procedure. R-2)

R-2 : Check the power connection of AVN head unit.
1.
Remove the AVN head unit.
2.
Check the specified condition of terminal.

OK
Tester Connection
Condition
Specified 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 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 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 AVN 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-7)

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
9~16 V
CON-E7 - GND
Always
9~16 V
CON-E14 - GND
Always
Below 1?

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

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

OK

Tester Connection
Condition
Specified Condition
CON-B1 - CON-E5
Always
Below 1?
CON-B1 - GND
CON-E5 - GND
Always
OPEN
CON-B13 - CON-E6
Always
Below 1?
CON-B13 - GND
CON-E6 - GND
Always
OPEN

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

R-7 : 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-A6 - CON-E18
Always
Below 1?
CON-A6 - GND
CON-E18- GND
Always
OPEN
CON-A15 - CON-E1
Always
Below 1?
CON-A15 - GND
CON-E19 - GND
Always
OPEN

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

R-8 : Check the wiring harness and connector
1.
Remove the AVN head unit
2.
Remove the external amplifier
OK


Tester Connection
Condition
Specified Condition
CON-E12 - SUB WOOFER2 +
Always
Below 1?
CON-E25 - SUB WOOFER2 -
Always
Below 1?
CON-E13 - SUB WOOFER1 +
Always
Below 1?
CON-E26 - SUB WOOFER1 -
Always
Below 1?
CON-G1 - RR DOOR SPK +
Always
Below 1?
CON-G7 - RR DOOR SPK -
Always
Below 1?
CON-G2 - RL DOOR SPK +
Always
Below 1?
CON-G8 - RL DOORSPK -
Always
Below 1?
CON-G3 - FR SPK +
Always
Below 1?
CON-G9 - FR SPK -
Always
Below 1?
CON-G4 - FL SPK +
Always
Below 1?
CON-G10 - FL SPK -
Always
Below 1?
CON-G5 - FR DOOR SPK +
Always
Below 1?
CON-G11 - FR DOOR SPK -
Always
Below 1?
CON-G6 - FL DOOR SPK +
Always
Below 1?
CON-G12 - FL DOOR SPK -
Always
Below 1?
CON-F1 - Surround Right +
Always
Below 1?
CON-F9 - Surround Right -
Always
Below 1?
CON-F2 - Surround Left +
Always
Below 1?
CON-F10 - Surround Left -
Always
Below 1?
CON-F7 - Center SPK +
Always
Below 1?
CON-F15 - Center SPK -
Always
Below 1?
CON-E12,13,25,26/ F1,2,7,9,10,15/ 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-9 : Radio Broadcast cannot be Received (Bad reception)
1.
Check the radio broadcast reception after replacing the AVN head unit
OK
? If AVN is normal operating, replace the AVN head unit

NG
? Go to step 2

2.
Check the antenna jack
NG
? Check again the radio broadcast reception after connecting the antenna jack

OK
? Go to step 3

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")

OK
? Go to step 4

4.
Check the feeder cable connection (Refer to "Antenna - Antenna cable")
NG
? Check again after repairing or replacing the antenna feeder cable.

OK
? Go to step 5

5.
Check again the radio broadcast reception after replacing the external amplifier
OK
? If Audio is normal operating, replace the external amplifier

NG
? Go to step 6

6.
Check and repair the glass antenna. (Refer to "Antenna - Glass antenna test")
R-10 : Disc cannot be inserted or ejected right after insertion
1.
Is the ignition key at ACC or ON?
OK
? Go to step 2

NG
? Turn the key to ON

2.
Power ON reset. Disconnect the 2 audio fuses, wait 5 minutes with ignition switch off. And then insert both fuse. Then turn the ignition key ON. Is CD ejected?
OK
? Loock for foreign matters in CD player. Such as paper lables, coins etc.

NG
? Go to step 3

3.
If CD does not eject, don't try removing it. The player may be damaged. Please replace the CD player.
R-11 : Check again after replacing the AVN head unit

OK
? Remove the audio head unit

NG
? Go to step 1

1.
Check the input signal of Illumination (+)
Tester Connection
Condition
Specified Condition
CON-A8 - GND
Always
9~16 V

NG
? Check the vehicle wiring

OK
? Go to step 2

2.
Check the illumination (-) input signal using the oscilloscope
Tester Connection
Condition
Specified Condition
CON-A17 - GND
Always
Check the PWM waveform

NG
? Check the vehicle wiring and cluster PWM output.

OK
? Go to step 3

3.
Check the vehicle illumination control unit.
R-12 : Check the mic input condition.

Tester Connection
Condition
Specified Condition
CON-B10 - MIC+
Always
Below 1?
CON-B22 - MIC-
Always
Below 1?
CON-B22 - GND
Always
OPEN

NG
? Check the vehicle wiring and mic

OK
? Go to step 1

1.
Test again after replacing the mic
R-13 : Test after replacing the AVN head unit

OK
? Replace the AVN head unit

NG
? Go to step 1

1.
Test after replacing the multimedia jack.
OK
? Replace the multimedia jack .

NG
? Go to step 2

2.
Check the multimedia jack connector.
Tester Connection
Condition
Specified Condition
CON-B7 - CON-D4
Always
Below 1?
CON-B8 - CON-D1
Always
Below 1?
CON-B9 - CON-D7
Always
Below 1?
CON-B19 - COND10
Always
Below 1?
CON-B20 - CON-D3
Always
Below 1?
CON-B21 - CON-D2
Always
Below 1?
CON-B23 - CON-D12
Always
Below 1?

NG
? Check the vehicle wiring

OK
? Go to step 3

3.
Check again after replacing the external input device with another one.
R-14 : Sound sometimes skips when parking
1.
Is CD face scratched or dirty?
OK
? CD is defective, or clean CD

NG
? Go to step 2

2.
Does it play properly if CD is replaced with an existing proper CD?
OK
? Replace CD

NG
? Repair or replace CD player

R-15 : Replace the AVN monitor
1.
Check the same problems after replaceing the AVN monitor
OK
? If AVN is normal operating, replace the AVN monitor.

NG
? Check the vehicle wiring and LVDS cable. (Refer to removal procedure. R-16)

R-16 :Check the power connection of AVN monitor
1.
Remove the AVN monitor.
2.
Check the specified condition of terminal.

OK
Tester Connection
Condition
Specified Condition
CON-H1 - GND
Always
9~16 V
CON-H5 - GND
Always
9~16 V
CON-H9 - GND
Always
Below 1?

NG
? Check again after repairing or replacing the Cable harness or Connector

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