O: Advance Trac/IVD Switch Indicator Is Always on/Cannot Be Disabled

Pinpoint Test O: Advance Trac/IVD Switch Indicator Is Always On/Cannot Be Disabled
Normal Operation
The traction control switch is a momentary switch, and when pressed disables or enables the traction control or Advance Trac/IVD.
Voltage to the traction control switch is supplied by circuit 8-CF54 (WH/VT). The switch illumination off circuit is 31S-CF45 (BK/GN).

Possible Causes
^ advance Trac/IVD switch
^ power circuit 8-CF54 (WH/VT) short to voltage
^ illumination circuit 31S-CF45 (BK/GN) short to ground
^ Anti Lock Brake System (ABS) module

Test O1-O3:

Test O3:

PINPOINT TEST O: ADVANCE TRAC/IVD CANNOT BE DISABLED/SWITCH INDICATOR IS ALWAYS ON