Touch Screen Button Malfunction

Touch screen button malfunction

Diagnostic Test: Monitor Check

NOTE:
- Always check the connectors for poor connections or loose terminals
- Before troubleshooting, write down the customer's XM radio channel presets, and get the radio and navigation system anti-theft codes
- After troubleshooting, enter the radio and navigation system anti-theft codes, and the XM radio channel presets.

1. Go into the Diagnostic mode and use "Touch Panel Check" diagnostic the under Monitor Check to check the operation of the touch switches.

Do the switches operate normally?

YES - The system is OK at this time

NO - Replace the display panel control unit.