Is there continuity?
YES -
Replace the rear controller and screen See: Accessories and Optional Equipment/Entertainment Systems/Entertainment System Control
Panel/Service and Repair.?
NO -
There is an open in the wire(s) between the rear controller and screen and the audio-navigation unit. Replace the affected shielded harness.?
2709
Navigation System DTC Troubleshooting: 2709
DTC 2709:
Flash-ROM Diag
NOTE:
- Check the vehicle battery condition first See: Starting and Charging/Battery/Testing and Inspection/Component Tests and General
Diagnostics/Battery Test.
- This navigation DTC sets when a problem with the audio-navigation unit internal VRAM is detected.
- Before you troubleshoot, make sure to follow the general troubleshooting information See: Accessories and Optional Equipment/Navigation
System/Testing and Inspection/Initial Inspection and Diagnostic Overview/How to Troubleshoot the Navigation System.
1. Clear the hard error code.
2. Turn the ignition switch to LOCK (0), and then back to ON (II).
3. Go into the Diagnostic Menu, and select the Self-Diagnosis Mode in the Select Diagnosis Items menu See: Accessories and Optional
Equipment/Navigation System/Testing and Inspection/Initial Inspection and Diagnostic Overview/Navigation System Diagnostic Mode.
4. Select the System Links, then select the ECU Info.
Is Flash OK indicated?
YES -
Intermittent failure, the system is OK at this time.?
NO -
Replace the audio-navigation unit See: Accessories and Optional Equipment/Radio, Stereo, and Compact Disc/Service and
Repair/Audio-Navigation Unit Removal/Installation.?
2710
Navigation System DTC Troubleshooting: 2710
DTC 2710:
USB Cable Diag
NOTE:
- Check the vehicle battery condition first See: Starting and Charging/Battery/Testing and Inspection/Component Tests and General
Diagnostics/Battery Test.
