Blower on at All Times In Floor Position

If the blower is on with the engine coolant under 43° C (110° F), disconnect the harness connector from the thermal blower lock out switch. If the blower turns off, replace the thermal blower lock out switch. If the blower continues to run, there is a short in the circuit between the selector switch and the thermal blower lock out switch Refer to the Blower Motor Controller Functional Test. Blower Motor Controller Functional Test