Summit Vista AWD L4-1795cc 1.8L SOHC (1992)
Power Steering Pressure Switch: Description and Operation
Power Steering Load Switch Circuit
PURPOSE
The Power Steering load switch provides a signal to the ECU when there is steering load. The ECU uses this information for idle speed control.
When pump output pressure exceeds a preset level, the switch closes, completing the circuit to ground.
LOCATION
The P/S load switch is located on the P/S pump.