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Home >> Toyota >> 2004 >> Highlander Limited, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 919 (Audio, Visual, Navigation System (BOSE Audio) (Without Navigation)) >> System Description >> Diagnosis System (Av Control Unit) >> Av Control Unit >> AV CONTROL UNIT: Diagnosis Description >> Diagnosis Item

Diagnosis 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.
Mode Description
Self-diagnosis
  • AV control unit diagnosis
  • Analyzes connection between the AV control unit, front display, Bluetooth, Satellite tuner and switches.
CONFIRMATION/ADJUSTMENT Display diagnosis Color spectrum bar Color tone of the screen can be checked by the display of a color bar.
Gradation bar Shading of the screen can be checked by the display of a gray scale.
White display White display can be checked.
Vehicle signals The following vehicle signals are analyzed: Vehicle speed signal, parking brake signal, illumination signal, ignition signal, and reverse signal.
Speaker test Connection can be checked by sending a test tone to each speaker.
Error history Diagnosis results previously stored in the memory are displayed in this mode.
Camera cont. Camera guidlines can be adjusted and the factory configuration can be displayed.
Vehicle CAN diagnosis The transmitting/receiving of CAN communication can be monitored.
AV COMM diagnosis The transmitting/receiving of AV communication can be monitored.
Delete unit connection log Erase the error history and connection history of the unit.
Initialize settings All audio settings are reset to default levels.