A: Heat Always ON

Pinpoint Test A: Heat Always ON

A1 Check Ventilation Air Flow System
- Perform the Ventilation Air Flow System component test.
Does the ventilation air flow system operate properly?
Yes
Temperature blend door functioning properly. RETURN to Symptom Chart
No
GO to A2.

A2 Check Temperature Control Cable
- Inspect the temperature control cable for kinks or breaks.
Is the temperature control cable OK?
Yes
GO to A3.
No
SERVICE the temperature control cable.

A3 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.