4 Runner 2WD L4-2693cc 2.7L DOHC MFI (1997)
3. Check that there is no continuity between terminal and ground with the engine running.
HINT: Oil pressure should be over 24.5 kPa (0.25 kgf/Sq.cm, 3.55 psi).
If operation is not as specified, replace the switch.