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. How to Troubleshoot the Navigation System

1. Clear the hard error code. How to Troubleshoot the Navigation System

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. Select the Display.

Is the ROM NG?
YES - Replace the navigation display unit. Service and Repair

NO - Intermittent failure, the system is OK at this time. If the unit repeatedly comes back with the DTC, replace the navigation display unit.