Frontier 2WD V6-3.3L (VG33E) (2003)
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Power Steering Pressure Switch: Description and Operation
POWER STEERING OIL PRESSURE SWITCH
The power steering oil pressure switch is attached to the power steering high-pressure tube and detects a power steering load. When a power steering
load is detected, it signals the ECM. The ECM adjusts the IACV-AAC valve to increase the idle speed and adjust for the increased load.