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Home >> Toyota >> 2004 >> Highlander Limited, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 922 (Audio, Visual, Navigation System (Base Audio)) >> DTC/Circuit Diagnosis >> DTC U1240: Switch Conn >> Description >> Self-diagnosis results display item

Self-diagnosis results display item

WARNING: This page is about a different car, the 2013 Nissan Armada. However, it is still accessible from the selected car via links, so may be relevant.
DTC Display contents of CONSULT DTC Detection Condition Possible causes
U1240
  • SWITCH CONN [U1240]
  • A/C and AV switch assembly power supply and ground circuit malfunction is detected.
  • A malfunction is detected in communication circuit between AV control unit and A/C and AV switch assembly.
  • A malfunction is detected in communication signal between AV control unit and A/C and AV switch assembly.
  • A/C and AV switch assembly power supply and ground circuits.
  • Communication circuit between AV control unit and A/C and AV switch assembly.
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