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Geely Emgrand X7. Manual part - 512
11.3.6.6 Navigation main machine can not start The diagnostic step refers to 11.2.6.3 audio head unit is unable to start. 11.3.6.7 Navigation main machine can start but can not enter into the navigation 1 Check SD card. (a) `Check if SD card correctly insert.
2 Inspect whether the SD card is the map card dedicated for navigation. (a) Closed navigation main engine. (b) Take down SD card from navigation host (c) Use PC machine to inspect whether there is any other data except for map data in SD card. Is data on the SD card normal?
3 Replace SD card, (a) Closed navigation main engine. Is navigation normal? (b) Take out SD card (c) Re-install normal SD card.
4 Inspect the power circuit of the navigation head unit. (a) Diagnostic procedure refer to 11.2.6.3 audio main machine can not start machine. Whether power supply circuit is good or not?
5 Inspect the power circuit of the navigation head unit. No Handle power circuit malfunctions Yes Yes The system is normal. No No Re-write the map data in the SD card Yes No Reinstall SD card Yes 2047 |