( TL19E00G10500016685FAAT00 )

Climate Control-Navigation Communication Line Circuit Troubleshooting

1. Press and hold the AUTO button, then press and hold the OFF button.

Is the HEAT/VENT indicator solid with the remaining icons blinking?

YES | - | Do the Unit check with the navigation system. ■
NO | - | Substitute a known-good climate control unit, and recheck. If the symptom goes away, replace the original climate control unit .■