LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Nissan-Datsun >> 2011 >> Quest SL >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Infotainment >> Audio, Visual & Navigation System >> [Base Audio With Separate Display] >> System Description >> Diagnosis System (Av Control Unit) >> CONSULT Function >> Self Diagnosis Result
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Self Diagnosis Result

The counter increases by 1 if the condition is normal at the next ignition switch ON cycle.

Self-diagnosis Results Display Item

ERROR ITEMS DESCRIPTION CHART

Error item Description Possible malfunction factor/Action to take
CAN COMM CIRCUIT [U1000] CAN communication malfunction is detected. Refer to "DIAGNOSIS PROCEDURE ".
CONTROL UNIT (CAN) [U1010] CAN initial diagnosis malfunction is detected. Replace the AV control unit if the malfunction occurs constantly.
Refer to "REMOVAL AND INSTALLATION ".
CONTROL UNIT (AV) [U1310] AV communication circuit initial diagnosis malfunction is detected.
Cont Unit [U1200] AV control unit malfunction is detected.
CAN CONT [U1216]
ST ANGLE SEN CALIB [U1232] Neutral position adjustment of the steering angle sensor is incomplete. Adjust the neutral position of the steering angle sensor.
Refer to "DIAGNOSIS PROCEDURE ".
FRONT DISP CONN [U1243] When either one of the following items is detected:
  • front display unit power supply and ground circuits malfunction is detected.
  • communication circuits between AV control unit and front display unit.
  • AV COMM CIRCUIT [U1300]
  • SWITCH CONN [U1240]
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 [U1300]
  • VIDEO DIST CONN [U1246]
When either one of the following items are detected:
  • rear display unit power supply and ground circuits are malfunctioning.
  • AV communication circuits between AV control unit and rear display unit are malfunctioning.
  • AV COMM CIRCUIT [U1300]
  • HAND FREE CONN [U1256]
When either one of the following items is detected:
  • TEL adapter unit power supply and ground circuits are malfunctioning.
  • AV communication circuits between AV control unit and TEL adapter unit are malfunctioning.
  • AV COMM CIRCUIT [U1300]
  • SWITCH CONN [U1240]
  • VIDEO DIST CONN [U1246]
  • HAND FREE CONN [U1256]
AV communication circuits between AV control unit and multifunction switch are malfunctioning. AV communication circuits between AV control unit and multifunction switch.