Camera Image Operation Principle
- The audio unit supplies power to the rear view camera when receiving a reverse signal.
- The rear view camera transmits camera images to the audio unit when power is supplied from the audio unit.
- The audio unit combines a warning message and fixed guide lines with an image received from the rear view camera to display a rear view camera image on the screen.
Description
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, destination and camera type. | |
| 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. | |
| Camera System | Displayed but not used. | |
| 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. | |
| Version Information | Audio unit software and hardware versions are displayed. | |
| Initialize Setting | Initializes the audio unit memory. | |
Scheme 1
Scheme 2
- Turn the ignition ON.
- Turn the audio system OFF.
- While pressing the preset 1 button, turn the volume control dial clockwise or counterclockwise for 40 clicks or more. Shifting from current screen to previous screen is performed by pressing BACK button.
- The trouble diagnosis initial screen is displayed, and Self Diagnosis or Confirmation/Adjustment can be selected.
Scheme 3
Scheme 4
- Select Self Diagnosis.
- Self diagnosis screen is displayed. The bar graph visible in center of screen indicates progress of self diagnosis.
- Diagnosis results are displayed after the self diagnosis is completed. The unit names and the connection lines are color coded according to the diagnostic results. Diagnosis results Unit Connection line Normal Green Green Connection malfunction Gray Yellow Unit malfunction (1) Red Green (1) Control unit (audio unit) is displayed in red. Replace audio unit if Self Diagnosis did not run because control unit malfunction is indicated. The symptom is audio unit internal error. Refer to " «REMOVAL AND INSTALLATION»(ref-616769-S19371553072014051900000) ". If multiple errors occur at the same time for a single unit, the screen switch colors are determined according to the following order of priority: red > gray.
- Comments of self diagnosis results can be viewed in the diagnosis result screen.