Blower Motor Malfunction

TEST DESCRIPTION

Steps 1-9:

Steps 10-22:

The numbers below refer to the step numbers in the diagnostic table.
9. There are two blower motor supply voltage circuits at the high speed blower motor relay. Probe the circuit that is connected to the blower motor resistor assembly.

For a description of the RPO Code(s) shown in this article/images refer to the RPO Code List found at Vehicle/Application ID RPO Codes