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Home >> Toyota >> 1986 >> Pickup Base, 22-RTE, W56 >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Instrument Panel - Electronic >> Testing >> Fuel Tank Sending Unit >> Pickup & 4Runner

Pickup & 4Runner

  1. Check that voltage changes as float is moved from full to empty positions. With the ignition on, measure voltage at terminal No. 2 of sending unit connector.
    PICKUP & 4RUNNER FUEL TANK SENDING UNIT OUTPUT VOLT

    Fuel Level Voltage
    Full 4.5-4.7
    1/2 Tank 3.1-3.3
    1/4 Tank 2.3-2.5
    Empty .9-1.1
  2. On Pickup and 4Runner only, turn ignition off. Unplug connector at sending unit.
  3. Measure sending unit resistances at full, 1/2 and empty positions. See PICKUP & 4RUNNER FUEL TANK SENDING UNIT RESISTANCES  table.
PICKUP & 4RUNNER FUEL TANK SENDING UNIT RESISTANCES

Fuel Level Ohms
Full 89.6
1/2 Tank 64.3
Empty 5.8
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