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Home >> Mazda >> 2012 >> 6 s Touring Plus >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Infotainment >> Symptom Troubleshooting [Navigation System] >> No.1 Car-Navigation System Does Not Start Operation (Display Changes To Back.) [Car-Navigation System] >> Notes
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No.1 Car-Navigation System Does Not Start Operation (Display Changes To Back.) [Car-Navigation System]: Notes

1  Car-navigation system does not start operation (Display screen changes to black.) 
POSSIBLE CAUSE 
  • Melt or damaged power supply (B+, ACC) related fuse.
  • Open or short circuit in car-navigation unit (power supply (B+)) wiring harness
  • Open or short circuit in car-navigation unit (power supply (ACC)) wiring harness
  • Open or short circuit in car-navigation unit (GND) wiring harness
  • Poor connection of car-navigation unit connector, terminal damage
  • Car-navigation unit malfunction
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