Blower Motor Malfunction - Auxiliary

TEST DESCRIPTION

Steps 1-6:

Steps 7-12:

The numbers below refer to the step numbers on the diagnostic table.
2. This step will determine if one or more blower speeds are inoperative.
3. This step tests for a voltage change in the auxiliary heater or A/C blower motor feed circuit.
4. This step tests for an open in one of the auxiliary heater or A/C blower motor speed control circuits and the auxiliary heater or A/C blower motor switch.