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Home >> Infiniti >> 2011 >> M56 Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 74 (Audio, Visual & Navigation System) >> System Description >> Diagnosis System (Av Control Unit) >> On Board Diagnosis Function >> Confirmation/Adjustment Mode >> Error item
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Error item

WARNING: This page is about a different car, the 2012 Infiniti QX56. However, it is still accessible from the selected car via links, so may be relevant.

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 "REMOVAL AND INSTALLATION ".
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
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 "REMOVAL AND INSTALLATION ".
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 "REMOVAL AND INSTALLATION ".
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 "REMOVAL AND INSTALLATION ".
GPS ROM Error
GPS RAM Error
GPS RTC Error
Unfinished configuration The writing of configuration data is incomplete. Write configuration data with CONSULT.
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 "REMOVAL AND INSTALLATION ".
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 ".
Amplifier Temperature Error BOSE amp. malfunction is detected. Replace the BOSE amp.
Refer to "REMOVAL AND INSTALLATION ".
Front Display Connection Error When either one of the following items are detected:
  • front display unit power supply and ground circuits are malfunctioning.
  • Serial communication circuits between AV control unit and front display unit are malfunctioning.
  • Front display unit power supply and ground circuits.
  • Serial communication circuits between AV control unit and front display unit.
  • AV COMM CIRCUIT
  • 2nd Display Connection Error
 When either one of the following items are detected:
  • video distributor power supply and ground circuits are malfunctioning.
  • headrest display unit LH power supply and ground circuits are malfunctioning.
  • AV communication circuits between AV control unit and headrest display unit LH are malfunctioning.
  • location recognition signal circuit between headrest display unit LH and ground is malfunctioning.
  • Video distributor power supply and ground circuits.
  • Headrest display unit LH power supply and ground circuits.
  • AV communication circuits between AV control unit and headrest display unit LH.
  • Location recognition signal circuit between headrest display unit LH and ground.
3rd Display Connection Error When either one of the following items are detected:
  • headrest display unit RH power supply and ground circuits are malfunctioning.
  • AV communication circuits between headrest display unit LH and headrest display unit RH are malfunctioning.
  • location recognition signal circuit between headrest display unit RH and ground is malfunctioning.
  • Headrest display unit RH power supply and ground circuits.
  • AV communication circuits between headrest display unit LH and headrest display unit RH.
  • Location recognition signal circuit between headrest display unit RH and ground.
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
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.
FL-DOOR WOOFER OUT: open When either one of the following items are detected:
  • sound signal circuits between BOSE amp. and front door speaker LH are malfunctioning.
  • sound signal circuits between BOSE amp. and front door tweeter LH are malfunctioning.
  • Sound signal circuits between BOSE amp. and front door speaker LH.
  • Sound signal circuits between BOSE amp. and front door tweeter LH.
FL-DOOR WOOFER OUT: short
FL-DOOR WOOFER OUT: short to ground
FL-DOOR WOOFER OUT: short to battery
FL-DOOR TWEETER OUT: open
FL-DOOR TWEETER OUT: short
FL-DOOR TWEETER OUT: short to ground
FL-DOOR TWEETER OUT: short to battery
FR-DOOR WOOFER OUT: open When either one of the following items are detected:
  • sound signal circuits between BOSE amp. and front door speaker RH are malfunctioning.
  • sound signal circuits between BOSE amp. and front door tweeter RH are malfunctioning.
  • Sound signal circuits between BOSE amp. and front door speaker RH.
  • Sound signal circuits between BOSE amp. and front door tweeter RH.
FR-DOOR WOOFER OUT: short
FR-DOOR WOOFER OUT: short to ground
FR-DOOR WOOFER OUT: short to battery
FR-DOOR TWEETER OUT: open
FR-DOOR TWEETER OUT: short
FR-DOOR TWEETER OUT: short to ground
FR-DOOR TWEETER OUT: short to battery
FL-INST TWEETER OUT: open Sound signal circuits between BOSE amp. and squawker LH are malfunctioning. Sound signal circuits between BOSE amp. and squawker LH.
FL-INST TWEETER OUT: short
FL-INST TWEETER OUT: short to ground
FL-INST TWEETER OUT: short to battery
FC-INST SQUAWKER OUT: open Malfunction is detected sound signal circuits between BOSE amp. and center speaker. Sound signal circuits between BOSE amp. and center speaker.
FC-INST SQUAWKER OUT: short
FC-INST SQUAWKER OUT: short to ground
FC-INST SQUAWKER OUT: short to battery
FR-INST TWEETER OUT: open Sound signal circuits between BOSE amp. and squawker RH are malfunctioning. Sound signal circuits between BOSE amp. and squawker RH.
FR-INST TWEETER OUT: short
FR-INST TWEETER OUT: short to ground
FR-INST TWEETER OUT: short to battery
2L-DOOR SPEAKER OUT: open When either one of the following items are detected:
  • sound signal circuits between BOSE amp. and rear door speaker LH are malfunctioning.
  • sound signal circuits between BOSE amp. and rear door tweeter LH are malfunctioning.
  • Sound signal circuits between BOSE amp. and rear door speaker LH.
  • Sound signal circuits between BOSE amp. and rear door tweeter LH.
2L-DOOR SPEAKER OUT: short
2L-DOOR SPEAKER OUT: short to ground
2L-DOOR SPEAKER OUT: short to battery
2L-DOOR TWEETER OUT: open
2L-DOOR TWEETER OUT: short
2L-DOOR TWEETER OUT: short to ground
2L-DOOR TWEETER OUT: short to battery
2R-DOOR SPEAKER OUT: open When either one of the following items are detected:
  • sound signal circuits between BOSE amp. and rear door speaker RH are malfunctioning.
  • sound signal circuits between BOSE amp. and rear door tweeter RH are malfunctioning.
  • Sound signal circuits between BOSE amp. and rear door speaker RH.
  • Sound signal circuits between BOSE amp. and rear door tweeter RH.
2R-DOOR SPEAKER OUT: short
2R-DOOR SPEAKER OUT: short to ground
2R-DOOR SPEAKER OUT: short to battery
R-DOOR TWEETER OUT: open
2R-DOOR TWEETER OUT: short
2R-DOOR TWEETER OUT: short to ground
2R-DOOR TWEETER OUT: short to battery
RL-LUGGAGE WOOFER OUT: open Sound signal circuits between BOSE amp. and woofer are malfunctioning. Sound signal circuits between BOSE amp. and woofer.
RL-LUGGAGE WOOFER OUT: short
RL-LUGGAGE WOOFER OUT: short to ground
RL-LUGGAGE WOOFER OUT: short to battery
RL-ROOF SQUAWKER OUT:: open Sound signal circuits between BOSE amp. and roof speaker LH malfunctioning. Sound signal circuits between BOSE amp. and roof speaker LH.
RL-ROOF SQUAWKER OUT: short
RL-ROOF SQUAWKER OUT: short to ground
RL-ROOF SQUAWKER OUT: short to battery
RR-ROOF SQUAWKER OUT:: open Sound signal circuits between BOSE amp. and roof speaker RH malfunctioning. Sound signal circuits between BOSE amp. and roof speaker RH.
RR-ROOF SQUAWKER OUT: short
RR-ROOF SQUAWKER OUT: short to ground
RR-ROOF SQUAWKER OUT: short to battery
  • AV COMM CIRCUIT
  • Switches Connection Error
 When either one of the following items are detected:
  • multifunction switch power supply and ground circuits were 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
  • Amplifier Connection Error
 When either one of the following items are detected:
  • BOSE amp. power supply and ground circuits are malfunctioning.
  • AV communication circuits between headrest display unit LH and BOSE amp. are malfunctioning.
  • BOSE amp. power supply and ground circuits.

    Refer to "BOSE AMP.: DIAGNOSIS PROCEDURE ".

  • AV communication circuits between headrest display unit LH and BOSE amp.
  • AV COMM CIRCUIT
  • AVM Connection Error
 When either one of the following items are detected:
  • around view monitor control unit power supply and ground circuits are malfunctioning.
  • AV communication circuits between AV control unit and around view monitor control unit are malfunctioning.
  • Around view monitor control unit power supply and ground circuits.
  • AV communication circuits between AV control unit and around view monitor control unit.
  • 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
  • AVM Connection Error
  • 2nd Display Connection Error
 AV communication circuits between AV control unit and multifunction switch are malfunctioning. AV communication circuits between AV control unit and multifunction switch.
  • AV COMM CIRCUIT
  • Switches Connection Error
  • Amplifier Connection Error
  • Sonar Connection Error
  • AVM Connection Error
  • 2nd Display Connection Error
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