Too Cold In Vehicle - Auxiliary (Cargo Van With Aux)

Too Cold in Vehicle - Auxiliary (Cargo Van w/Aux)

Test Description

Step 1 - Step 8:

Step 9 - Step 17:

The numbers below refer to the step numbers on the diagnostic table.
4. This step checks for proper cooling system operation.
11. The voltage will vary between 0-12 volts during normal operation. The front auxiliary HVAC control assembly connector must be connected during this step. This checks for proper operation of the air temperature actuator door control circuit and the front auxiliary HVAC control assembly.