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Home >> Toyota >> 2004 >> Highlander Limited, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 918 (Audio, Visual, Navigation System (BOSE Audio) (With 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, switches, DVD deck, GPS antenna and SAT antenna.
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.
Touch panel
  • Touch panel calibration.
  • Touch panel response check.
White display White display can be checked.
Vehicle signals The following vehicle signals are analyzed: Vehicle speed signal, parking brake signal, light signal, ignition switch signal, and reverse signal.
Speaker test Connection can be checked by sending a test tone to each speaker.
Navigation Steering angle adjustment Confirm/adjust the steering angle when there is a difference between the displayed vehicle mark turning angle and actual.
Speed calibration Confirm/adjust the speed calibration when there is a difference between the displayed vehicle mark location and actual.
XM SAT subscription status Check the subscription status of the XM NAV Traffic subscription.
Error history Diagnosis results previously stored in the memory are displayed in this mode.
Synchronize FES clock Turns FES (Family Entertainment System) clock synchronization function ON/OFF.
Vehicle CAN diagnosis The transmitting/receiving of CAN communication can be monitored.
AV COMM diagnosis The transmitting/receiving of AV communication can be monitored.
Hands-free phone Hands-free volume adjustment Adjust hands-free volume (low, medium, high).
Voice microphone test Test microphone operation.
Delete hands-free memory Erase hands-free system memory.
SAT Change channel Any necessary channels required to receive traffic information from the satellite radio system can be set.
Change application ID Any application ID's required to receive traffic information from the satellite radio system can be set.
Diag Not used.
Delete unit connection log Erase the error history and connection history of the unit.
Initialize settings All audio settings are reset to default levels.
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