GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 1998 🢒 Cavalier 🢒 HVAC 🢒 HVAC Systems - Manual 🢒 HVAC Blower Controls System Check

Step

Action

Normal Result(s)

Abnormal Result(s)*

1
  1. Place the heater A/C controller assembly switch in the heat position.
  2. Place the blower motor switch in the following positions:
    3. • LO
    • Medium 2
    • Medium 3
    • HI

The blower motor speed will increase from one position to the next.
    • Blower Motor Low Speed Inoperative

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