LEMON Manuals: Even more car manuals for everyone
Home >> Toyota >> 1989 >> Pickup Base >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Instrument Panel - Standard >> Testing >> Oil Pressure Gauge

Oil Pressure Gauge

  1. Unplug sending unit connector. Connect a 12-volt, 3.4-watt bulb in-line with sending unit lead and ground. Turn ignition switch on. Bulb should start flashing and gauge pointer should deflect.
  2. Using an ohmmeter, check resistance between gauge terminals. Resistance should be about 25 ohms. Replace gauge if defective.
  3. To check sending unit, unplug connector from sending unit. Connect 12-volt source to sending unit in series with a 3.4-watt bulb. Bulb should not light with engine stopped. With engine running, bulb should flash. Flashes will vary with engine speed.
scientia non olet · About LEMON Manuals