PSP SWITCH (POWER STEERING PUMP PRESSURE SWITCH, ON/OFF) (Non-EPS model)
WARNING: This page is about a different car, the 2007 Suzuki SX4. However, it is still accessible from the selected car via links, so may be relevant.
ON: PSP SW is ON (P/S high pressure switch is ON)
OFF: PSP SW in OFF (P/S high pressure switch is OFF)