Tacoma PreRunner L4-2.7L (2TR-FE) (2005)
5. Check that the magnet clutch is turned off when disconnecting terminals 1 and 2 (that are connected in the prior step).
Standard:
Terminals 1 and 2 connected: magnet clutch is ON
Terminals 1 and 2 disconnected: magnet clutch is OFF
Replace the pressure switch if the magnet clutch operates normally.
Inspect and repair the wire harness between the pressure switch and the ECM.