2014 Hyundai Azera BaseFACTORY OEM SERVICE PROCEDURE

Audio/Video/Navigation (AVN) System: 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 recognition 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
  1. R-1: Replace the AVN head unit 
    1. Check the same problems after replacing 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)
  2. R-2: Check the power connection of AVN head unit. 
    1. Remove the AVN head unit.
    2. Check the specified condition of terminal.
      Fig 1: Identifying AVN Head Unit Connectors
      G08810974Courtesy of HYUNDAI MOTOR AMERICA

      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 1Ω

      NG

      • Check again after repairing or replacing the Cable harness or Connector.
  3. R-3: Check the steering wheel remote control 
    1. Check the steering wheel remote control connector specification (Refer to "Inspection ")

      OK

      • Replace the AVN head unit. (Refer to  R-1)

      NG

      • Replace the steering wheel remote control switch.
  4. R-4: Replace the external amplifier 
    1. Check the same problems after replacing 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)
  5. R-5: Check the external amplifier power cable 
    1. Remove the external amplifier
    2. Check the specified condition of terminal.
      Fig 2: Identifying External Amplifier Power Cable Connectors
      G08810975Courtesy of HYUNDAI MOTOR AMERICA

      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 1Ω

      NG

      • Check again after repairing or replacing the Cable harness or Connector.
  6. 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.
      Fig 3: Identifying External Amplifier CAN Interface Connectors (A And B)
      G08810976Courtesy of HYUNDAI MOTOR AMERICA
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