Blower Motor Malfunction

TEST DESCRIPTION

Steps 1-7:

Steps 8-12:

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.
4. This step verifies if the HVAC control switch is attempting to control the blower motor speed.
5. This step tests for a voltage change in the blower motor control circuit.