Hyundai 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
Pressing power switch does not turn on system	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
BLUETOOTH voice recongnition fault	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
AUX connection error	Check the multimedia connector	R-13
AVN monitor error	AVN monitor unit	R-15
AVN monitor error	AVN monitor unit receiver power source circuit	R-16

R-1 : Replace the AVN head unit

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.

Check the specified condition of terminal.

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?

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

R-3 : Check the steering wheel remote control

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

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

Check the specified condition of terminal.

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?

? 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

Check the specified condition of terminal.

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

Check the specified condition of terminal.

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

Remove the external amplifier

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)

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

Check the antenna jack

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

OK	? Go to step 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

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

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

Is the ignition key at ACC or ON?

OK	? Go to step 2

NG	? Turn the key to ON

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

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

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

Test after replacing the multimedia jack.

OK	? Replace the multimedia jack .

NG	? Go to step 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

Is CD face scratched or dirty?

OK	? CD is defective, or clean CD

NG	? Go to step 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

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.

Check the specified condition of terminal.

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?

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

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