1. Turn the ignition switch ON (II), and check the same terminals for voltage.

Is there any voltage?

YES | - | Repair any short to power in the wire(s) between the climate control unit and the recirculation control motor. This short may also damage the climate control unit. Repair the short to power before replacing the climate control unit.■
NO | - | Go to Step 10 .

1. Turn the ignition switch OFF.