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Home >> Toyota >> 1987 >> 4Runner Base, R151F >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Instrument Panel - Electronic >> Testing >> Oil Pressure Gauge >> Pickup & 4Runner

Pickup & 4Runner

  1. Disconnect oil pressure sending unit connector located on left side of block. With ignition on, lowest segment should light up.
  2. Connect a 12-volt 3.4-watt bulb between connector and body ground. Bulb should light and No. 8 segment of bar graph (counting from bottom) should should illuminate.
  3. To check sending unit, connect a 3.4-watt bulb in series with the sender and a 12-volt source. The bulb should not light with engine stopped.
  4. Bulb should flash with engine running. Number of flashes should vary with engine speed.