Navigation cannot control A/C by vice
NOTE:
- 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.
- Verify that the correct navigation unit is instakked for this model. Go into the Diagnostic mode and use "Version" (see VERSION ).
- Go into the Diagnostic Mode and use the "Navi System Link" check (see NAVI SYSTEM LINK ).
Is the "Air-con" icon red?
- YES- Do the climate control system troubleshooting.
- NO- Check for an open or short to ground between display panel control unit connector B (5P) terminals No. 1, No. 2, No. 3, No. 4, No. 5, and climate control unit connector A (20P) terminals No. 2, No. 4, No. 11, No. 12, No. 13. If OK, check the climate control system for normal operation. If the climate control system works properly, substitute a known-good display unit and recheck.