1981 Subaru GLF Automatic TransFACTORY OEM SERVICE PROCEDURE

Electronically Controlled Carburetor: Testing

The system is tested by following a logical sequence to determine which components are inoperative, The procedure begins with the first test chart, which will direct the technician to the proper procedure. The following items are necessary for testing:

Fig 1: Electronically Controlled Carburetor System Components
G09316212Courtesy of SUBARU OF AMERICA, INC.
  • Dwell Meter set on 4 cylinder scale
  • Volt-Ohmmeter
  • 1.5V Flashlight Battery
  • Stethoscope or listening tube
    Fig 2: Component Locations
    G09316213Courtesy of SUBARU OF AMERICA, INC.
NOTE: When checking resistance of components, be sure to disconnect all wiring harness connectors. When measuring voltage, connectors must remain hooked up. Be sure to insert test leads into harness side of connectors. See Fig 3.
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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.