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AV-228 < SYSTEM DESCRIPTION > [NAVIGATION WITHOUT BOSE] DIAGNOSIS SYSTEM (AV CONTROL UNIT) DIAGNOSIS SYSTEM (AV CONTROL UNIT) Description INFOID:0000000009758937 The AV control unit on board diagnosis performs the functions listed in the table below: Perform CONSULT diagnosis if the AV control unit on board diagnosis does not start or the screen does not display anything. On Board Diagnosis Function INFOID:0000000009758938 METHOD OF STARTING 1. Turn the ignition ON. 2. Turn the audio system OFF. Mode Item Content Version — Version data of the AV control unit is dis- User Configuration Touch Display Calibration — Allows correction of the position detec- Radio FM monitor — Monitors the dynamic values of the cur- AM monitor — XM monitor — Version data is displayed. XM functions • Clear XM Chipset NVM Current status is displayed. System State Running System Status • SD card slot Access ® firmware version The current system status is displayed. Speaker Test 4kHz — This activates a sequence of test tone Speaker Test 100Hz Display-Test — This provides a test sequence where Self Test • SD Card Access A system self test is executed and the |