Scan Tool Testing and Procedures

Use a scan tool in order to control the HVAC air delivery and temperature controls solenoids and motors. This feature can be used to determine if the heater-A/C control is able to control a solenoid or motor regardless of the inputs or any specific program instructions. Once a test is selected. the scan tool will command the heater-A/C control to energize the selected solenoid or motor. The displayed information represents only what was heater-A/C control commanded, not if an action has actually taken place. Check the heater-A/C control for the ability to control each of the selected solenoid or motor functions.