Power Steering Pressure Switch
When power steering pressure is high, Power Steering Pressure (PSP) switch sends a signal to PCM to increase idle speed. PCM will also turn off A/C clutch when high power steering pressure is detected.
When power steering pressure is high, Power Steering Pressure (PSP) switch sends a signal to PCM to increase idle speed. PCM will also turn off A/C clutch when high power steering pressure is detected.