T100 SR5 Extra Cab Pickup 4WD V6-3.4L (5VZ-FE) (1998)
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Power Steering Pressure Switch: Testing and Inspection
INSPECTION
1. TURN AIR CONDITIONING SWITCH OFF.
2. CHECK IDLE-UP.
a. Start the engine and run it at idle.
b. Fully turn the steering wheel.
c. Check that the engine rpm decreases when the vacuum hose is pinched.
d. Check that the engine rpm increases when the hose is released.
