For 1990-2009 cars

Step | Action | Normal Result(s) | Abnormal Result(s)*
--- | --- | --- | ---
1 |

1. Place ignition switch in ON position.
2. Place heater and A/C controller mode switch in the OFF position.
3. Place the blower motor switch in the HI position.

Blower motor will not operate.

Blower Motor Always On

2 |

1. Place the heater and A/C controller mode switch in the heat position.
2. Place the blower motor switch in the following positions:

• | LO

• | Medium 1

• | Medium 2

• | Medium 3

• | HI

Blower motor speed will increase from one position to the next.

• | Blower Motor Inoperative at Any Speed

• | Blower Motor Low Speed Inoperative

• | Blower Motor Inoperative Med-1

• | Blower Motor Inoperative Med-2

• | Blower Motor Inoperative Med-3

• | Blower Motor High Speed Inoperative

• | Blower Motor Operates at High Speed Only

* Refer to the appropriate symptom diagnostic table for the applicable abnormal result.