Picture Has Lines/Rolls/Other Issues
Picture has lines/rolls/other issuesNOTE:
- Always check the connectors for poor connections or loose terminals.
- Before troubleshooting, get the navigation system anti-theft codes.
- After troubleshooting, enter the navigation system anti-theft codes.
1. Check for electronic aftermarket accessories (possibly hidden) mounted near the navigation display or the navigation unit.
Are there any electronic accessories?
YES - Disable the accessories, and recheck.
NO - Go to step 2.
2. Start up the navigation picture.
Is the picture scrolling horizontally (left to right or right to left)?
YES - Check for an open or short to ground in the CSIG wire from navigation unit connector A (20P) terminal No. 12 to navigation display connector A (20P) terminal No. 19. Also check for a short to ground between navigation display connector A terminal No. 19 and terminal No. 20.
NO - Go to step 3.
3. Go into the Diagnostic mode and use "RGB Color" test under Monitor Check.
Is the picture missing a red, green or blue color?
YES - Do the troubleshooting for the picture is missing a color or tone.
NO - Go to step 4.
4. Turn the ignition switch OFF.
5. Substitute a known-good navigation display, and recheck.
Is the picture OK?
YES - Replace the navigation display.
NO - Replace the navigation unit.