Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

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Oil Pressure Sensor: Service and Repair

Oil Pressure Switch On-Vehicle Inspection
1) With hose connected, detach P/S pump from its bracket.
2) Remove P/S pump bracket.
3) Disconnect oil pressure switch connector (1).
4) Install P/S pump bracket.
5) Install P/S pump.
6) Check for continuity between oil pressure switch terminal (2) and cylinder block (3) as shown. If check result is not as specified, replace oil pressure switch (4).
Oil pressure sensor specification
During engine running: No continuity
At engine stop: Continuity