D21 Hardbody 2WD L4-2389cc 2.4L SOHC MFI (KA24E) (1990)
Power Steering Pressure Switch: Description and Operation
Fig. 25 Power Steering Load Switch
The power steering load sensor is mounted in the power steering high-pressure line. It signals the ECU when the pressure increases (indicating
extra engine load). The ECU can then compensate for the load and the engine will remain stable.