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DTC Logic

WARNING: This page is about a different car, the 2011 Infiniti QX56. However, it is still accessible from the selected car via links, so may be relevant.
DTC DETECTION LOGIC

DTC Display contents of CONSULT-III DTC Detection Condition Possible causes
U125A 3RD DISP CONN [U125A] 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.