D: No Operation In All Temperature Settings

Pinpoint Test D: No Operation In All Temperature Settings

D1 Check Ventilation Air Flow System
- Perform the Ventilation Air Flow System component test.
Is the ventilation air flow system OK?
Yes
Temperature control functioning properly. RETURN to the Symptom Chart.
No
GO to D2.

D2 Check Temperature Control Cable
- Inspect the temperature control cable for kinks or breaks.
Is the temperature control cable OK?
Yes
GO to D3.
No
SERVICE the temperature control cable.

D3 Check Temperature Control Lever
- Check the temperature control lever for proper operation and attachment.
Is the temperature control lever OK?
Yes
SERVICE the temperature control door.
No
SERVICE the temperature control lever.