BODY ELECTRICAL SYSTEM – COMBINATION METER BE–51 LOW OIL PRESSURE WARNING INSPECTION 1. INSPECT SWITCH (a) Check that there is continuity between terminal and ground with the engine stopped. (b) Check that there is no continuity between terminal and ground with the engine running. HINT: Oil pressure should be over 29 kPa (0.3 kgf/ cm2, 4.3 psi) If operation is not as specified, replace the switch. 2. INSPECT WARNING LIGHT (a) Disconnect the connector from the warning switch and ground terminal on the wire harness side connector. (b) Turn the ignition switch ON, check that the warning light lights up. If the warning light does not light up, test the bulb or inspect wire harness. Warning Light Ignition Switch Battery ENGINE OIL LEVEL WARNING INSPECTION 1. INSPECT SWITCH (a) Check that there is continuity between terminal with the switch in each position. ON OFF (b) Heat the switch to above 60°C (140°F) in an oil bath. (c) Check that there is continuity between terminals with the switch ON (float up). (d) Check that there is no continuity between terminals with the switch OFF (float down). If operation is not as specified, replace the switch. 2. INSPECT WARNING LIGHT (a) Disconnect the connector from the switch. (b) Ground terminal 1 on the wire harness connector. (c) Turn the ignition switch ON. Check that the warning light lights up approximately 40 seconds later. If the warning light does not light up, inspect bulb or wire harness. Warning Light Ignition Switch Battery N09640 BE0044 N09645 N09646 IS-2-1-D BE0044 207431