Manufacturer Code Charts: 2602
Navigation System DTC Troubleshooting: 2602
DTC 2602: Display Diag: ROM
NOTE:
- Check the vehicle battery condition first. Testing and Inspection
- Check for B-CAN DTCs and resolve them before troubleshooting.
- Before you troubleshoot, make sure to follow the general troubleshooting information. Reading and Clearing Diagnostic Trouble Codes
1. Clear the hard error code. Reading and Clearing Diagnostic Trouble Codes
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. Navigation System Diagnostic Mode
4. Check the System Links.
Is the ROM NG?
YES - Replace the navigation display unit. Navigation Display Unit Removal/Installation
NO - Intermittent failure, the system is OK at this time. If the unit repeatedly comes back with the DTC, replace the navigation display unit. Navigation Display Unit Removal/Installation