Heated Glass Control Module: Testing and Inspection

W/ Defogger timer:
INSPECT DEFOGGER TIMER OPERATION
a. Connect the positive (+) lead from the battery to terminal 3 and negative (-) lead to terminal 4.
b. Connect the positive (+) lead from the battery to terminal 2 through a 3.4 W test bulb.
c. Turn the defogger switch ON and check that the indicator light and test bulb light up for 12 for 18 minutes, then the indicator light and test bulb lights go out.
If operation is not as specified, replace the switch.