Test Description

WARNING: This page is about a different car, the 2003 Buick Regal and 2003 Buick Century. However, it is still accessible from the selected car via links, so may be relevant.

The numbers below refer to the step numbers on the diagnostic table.

5. This step tests the output of the blower motor switch in each speed position and through each blower motor control circuit.

6. Test the circuit that did not illuminate the test lamp in Step 5.

Fig 1: Blower Motor Malfunction (Steps 1 Of 8)

Courtesy of GENERAL MOTORS CORP.

Fig 2: Blower Motor Malfunction (Steps 9 Of 16)

Courtesy of GENERAL MOTORS CORP.