Navigation Cannot Control A/C by Voice

Navigation cannot control A/C by voice

NOTE:
- Always check the connectors for poor connections or loose terminals.
- Before troubleshooting, get the navigation system anti-theft code.
- After troubleshooting, enter the navigation system anti-theft code.
- Verify that the correct navigation unit is installed for this model. Go into the Diagnostic Menu and use "Version".

1. Go into the Diagnostic Menu and use the "Navi System Link" test.

Is "Air-con" icon red?

YES - Do the climate control system troubleshooting.

NO - Check for an open or short to ground between navigation unit connector F (5P) terminals No. 2, No. 3, and No. 4 and climate control unit connector (32P) terminals No. 28, No. 29, and No. 30 respectively. If OK, check the climate control system for normal operation. If the climate control system works properly, substitute a known-good navigation unit and recheck.