Throttle Full Open Switch: Description and Operation
Fig. 9 Wide open throttle vacuum switch. 1.3L FBC models:
The wide open throttle (WOT) vacuum switch, Fig. 9, supplies the ECA with a signal indicating manifold vacuum level. At wide open throttle, the switch contacts close and the ECA uses this information for air/fuel ratio control. The WOT vacuum switch is located on the righthand corner of the bulkhead.