Schematic Reference: HVAC Schematics

DEFINITION: Air does not flow correctly from the air distribution outlets.

Did you read Air Delivery Description and Operation?

Go to Step 2

Go to Air Delivery Description and Operation

1. Start the engine.
2. Place the mode switch in the OFF position.

Is the blower motor OFF?

Go to Step 3

Go to Blower Motor Always On

1. Place the mode switch in the vent position.
2. Place the blower motor switch in each speed position.

Does the blower motor operate in any of the speed positions?

Go to Step 4

Go to Blower Motor Inoperative

Does the blower motor operate at the desired speed?

Go to Testing for Intermittent Conditions and Poor Connections

Go to Blower Motor Malfunction