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Home >> Infiniti >> 2012 >> G25 Base >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Infotainment >> BOSE Audio System (With Navigation) (Sedan) >> System Description >> Diagnosis System (Av Control Unit) >> On Board Diagnosis Function >> Confirmation/Adjustment Mode >> Error item
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Error item

Some error items may be displayed simultaneously according to the cause. If some error items are displayed simultaneously, the detection of the cause can be performed by the combination of display items

Error item Description Possible malfunction factor/Action to take
CAN COMM CIRCUIT CAN communication malfunction is detected. Perform diagnosis with CONSULT, and then repair the malfunctioning parts according to the diagnosis results.
Refer to "CONSULT FUNCTION ".
CONTROL UNIT (CAN) CAN initial diagnosis malfunction is detected. Replace the AV control unit if the malfunction occurs constantly.
Refer to "EXPLODED VIEW ".
CONTROL UNIT (AV) AV communication circuit initial diagnosis malfunction is detected.
FLASH-ROM Error Of Control Unit AV control unit malfunction is detected.
Connection Of Gyro
Connection of G Sensor
CAN Controller Memory Error
Bluetooth Module Connection Error
Sub CPU Connection Error
iPod authentification chip error
Audio connection error
DSP Connection Error AV control unit malfunction is detected.
  • If a disc can be played, then there is a possibility of the detection of a temporary malfunction.
  • Replace the AV control unit if the malfunction occurs constantly. Refer to "EXPLODED VIEW ".
DSP Communication Error
HDD Connection Error AV control unit malfunction is detected.
  • If the music box function has no malfunctions, then there is a possibility of the detection of a temporary malfunction.
  • Replace the AV control unit if the malfunction occurs constantly. Refer to "EXPLODED VIEW ".
HDD Read Error
HDD Write Error
HDD Communication Error
HDD Access Error
GPS Communication Error GPS malfunction is detected. An intermittent error caused by strong radio interference may be detected unless any symptom (GPS reception error, etc.) occurs.
Replace the AV control unit if the malfunction occurs constantly.
Refer to "EXPLODED VIEW ".
GPS ROM Error
GPS RAM Error
GPS RTC Error
Unfinished configuration The writing of configuration data is incomplete. Write configuration data with CONSULT. Refer to "CONSULT FUNCTION ".
USB Controller Communication Error USB connection malfunction is detected. Check that the connection to the USB connector is normal.
DVD Mechanism Communication Error AV control unit malfunction is detected.
  • If DVD can be played, then there is a possibility of the detection of a temporary malfunction.
  • Replace the AV control unit if the malfunction occurs constantly. Refer to "EXPLODED VIEW ".
Steer. Angle Sensor Calibration Predictive course line center position adjustment of the steering angle sensor is incomplete. Adjust the predictive course line center position of the steering angle sensor. Refer to "CONSULT FUNCTION ".
Front Display Connection Error When either one of the following items are detected:
  • display unit power supply and ground circuits are malfunctioning.
  • communication circuits between AV control unit and display unit are malfunctioning.
  • Display unit power supply and ground circuits.
  • Communication circuits between AV control unit and display unit.
GPS Antenna Error GPS antenna connection malfunction is detected. Check the connection of the GPS antenna connector.
XM Antenna Connection Error Satellite radio antenna connection malfunction is detected. Satellite radio antenna disconnection.
USB electric current Error Detection of overcurrent in USB connector. Check USB harness between the AV control unit and USB connector.
AM/FM antenna amplifier short to ground Radio antenna amp. ON signal circuit malfunction is detected. Radio antenna amp. ON signal circuit between AV control unit and antenna amp.
AM/FM antenna amplifier open
Ext_Amp_ON output terminal short to ground BOSE amp. ON signal circuit malfunction is detected. BOSE amp. ON signal circuit between AV control unit and BOSE amp.
Ext_Amp_ON output terminal :open
  • AV COMM CIRCUIT
  • Switches Connection Error
When either one of the following items are detected:
  • multifunction switch power supply and ground circuits are malfunctioning.
  • AV communication circuits between AV control unit and multifunction switch are malfunctioning.
  • Multifunction switch power supply and ground circuits.
  • AV communication circuits between AV control unit and multifunction switch.
  • AV COMM CIRCUIT
  • Sonar Connection Error
When either one of the following items are detected:
  • sonar control unit power supply and ground circuits are malfunctioning.
  • AV communication circuits between AV control unit and sonar control unit are malfunctioning.
  • Sonar control unit power supply and ground circuits.
  • AV communication circuits between AV control unit and sonar control unit.
  • AV COMM CIRCUIT
  • Switches Connection Error
  • Sonar Connection Error
AV communication circuits between AV control unit and multifunction switch are malfunctioning. AV communication circuits between AV control unit and multifunction switch.