B Series Truck 4WD L4-2606cc 2.6L SOHC (1992)
Power Steering Pressure Switch: Description and Operation
^ The Power Steering Pressure Switch is an "ON/OFF" switch that detects when system pressure increases (turning steering wheel) to cause a load on
the engine.
^ The ECU response to the "ON" signal is to raise idle speed as required by activating the ISC valve.
