MULTI AV SYSTEM : Fail-safe
WARNING: This page is about a different car, the 2011 Nissan Leaf. However, it is still accessible from the selected car via links, so may be relevant.
When a malfunction occurs within the system, the AV control unit outputs a message on the display, and it restricts the AV control unit functions.
FAIL-SAFE CONDITIONS
SD card not inserted, SD card malfunction, internal malfunction of navigation, etc.
Display Indication
- When the system is in the fail-safe status at the start of the AV control unit, an error message is shown on the display.
- When the system is in the fail-safe status after the start of the AV control unit, an error message is not shown on the display. The MULTI AV system may be rebooted in the fail-safe state. If the fail-safe state is maintained after the system is rebooted, an applicable message is shown.FAIL-SAFE CONDITIONS REFERENCE CHART
Cause Display monitor Malfunction of flash ROM information TARGET INFO NG No SD card NO SD CARD Unsuccessful security unlock SD UNLOCK NG Malfunction of SD card mount SD INIT NG Malfunction of SD card access SD ACCESS NG No program data NO NAVI-2 DATA Malfunction of program data (SUM NG) NAVI-2DATA READ NG Inconsistent program version (Flash/SD) NAVI VERSION NG Difference of map destination DIFFERENT MAP CODE Not compliant with map database version MAP DATA BASE UNMATCH Malfunction of navigation NAVI STARTUP NG
CONTROL
When the system is in the fail-safe status at or after start of the AV control unit, the following functions are restricted.
FUNCTION REFERENCE CHART
| Function | In fail-safe mode | |
|---|---|---|
| A/C | Display | No display (fail-safe status display) |
| Audio | Operation | Mute audio |
| Display | No display (fail-safe status display) | |
| Camera | Operation | It cannot be operated |
| Display | Only composite (camera image) is displayed and superimpose (warning display and image quality display) is not displayed. | |
| Hands-free phone | Operation | It cannot be operated |
| Navigation | Operation | It cannot be operated |
| Display | Operation | Open/close operation is available |
| Display | Fail-safe factors are displayed | |
| Self-diagnosis | It cannot be diagnosed | |
| CONSULT diagnosis | It cannot be diagnosed | |
| AV communication diagnosis | It cannot be diagnosed | |
| Frequency transmission for VCM | Normal | |
| SD read access | Access cannot be gained. | |
| SD write access | Access cannot be gained. | |
CANCELLATION CONDITIONS
The fail-safe status is canceled under the following conditions, and then the system returns to the normal mode.
- When the SD card is not inserted, the SD card is inserted and the power of the AV control unit is turned ON again.
- When the SD card is not functional at the start of navigation due to a malfunction of the SD card, a normal SD card is inserted and the power of the AV control unit is turned ON again.