Reading and Clearing Diagnostic Trouble Codes
AUDIO UNIT SELF DIAGNOSTIC MODEThe navigation system provides internal self diagnostics to assist with diagnosing vehicle concerns.
Press and hold the 3 and 6 memory preset buttons for 3 seconds.
Press the End Test button on the screen to exit the speaker walk test.
The following diagnostics are available using the on-screen buttons as follows:
- ON DEMAND SELF TEST provides internal self-test diagnostics and displays all the DTCs resulting from the self-test.
- VIEW DTCs provides a list of all the diagnostic trouble codes (DTCs) currently stored in memory.
- CONFIGURATION STATUS displays the current unit configuration.
- SYSTEM INFO provides the navigation module part number and software information.
- GPS INFO provides satellite information and vehicle current information.
- SPEAKER WALK TEST performs a speaker walk-around test.
- MULTI-DISC TEST performs a test of the compact disc (CD) player mechanism.
- DISPLAY TEST allows the screen colors to be checked, and allows testing of individual display screen touch sectors.
- HARDKEY TEST checks any of the buttons operation.
- RADIO SIGNAL STRENGTH performs a test of the antenna signal.