Too Cold in Vehicle

Too Cold in Vehicle

Test Description

Step 1 - Step 10:

Step 11 - Step 18:

Step 19 - Step 24:

The numbers below refer to the step numbers on the diagnostic table.
4. The HVAC control assembly is inoperative when the assembly does not respond to an operator control request.
8. If no condition found with all conditions listed then compare door travel to known good vehicle.
14. The voltage will vary between 0-5 volts during normal operation. Ensure to observe the air temperature actuator driveshaft and the volt meter when jumping the control circuit with 5-volt reference and the ground circuits. The air temperature actuator and the HVAC control assembly connectors must be connected during this step.