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Home >> Infiniti >> 2012 >> M37 Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 59 (Audio, Visual, Navigation System (Display Audio With Amplifier)) >> System Description >> Diagnosis System (Audio Unit) >> Description
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Diagnosis System (Audio Unit): Description

WARNING: This page is about a different car, the 2013 Nissan Xterra. However, it is still accessible from the selected car via links, so may be relevant.

The audio unit on board diagnosis performs the functions listed in the table below:

Mode Description
Self Diagnosis
  • Audio unit diagnosis.
  • Diagnoses the connections across system components.
Confirmation/Adjustment Display Diagnosis The following check functions are available: color tone check by color bar display and white display, light and shade check by gray scale display.
Vehicle Signals Diagnosis of signals can be performed for vehicle speed, lights, reverse, EQ pin and destination.
Speaker Test The connection of a speaker can be confirmed by test tone.
Error History The system malfunction and the frequency when occurring in the past are displayed. When the malfunctioning item is selected, the time and place that the selected malfunction last occurred are displayed.
AV COMM Diagnosis The communication condition of each unit of display audio system can be monitored.
Delete Unit Connection Log Erase the connection history of unit and error history.
Initialize Setting Initializes the audio unit memory.