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Main Fuel Pump Volume Check: CORRADO

  1. Disconnect wire harness connector from the fuel pump. See Figure . With voltmeter attached to terminals, activate fuel pump by removing fuel pump relay and applying battery voltage to terminals No. 4 of the fuse box connection for the fuel pump relay. Fuel pump relay located on fuse box housing. Terminal numbers are molded into fuse box plastic housing.
  2. Record voltage. Remove fuel line from outlet side of accumulator. See Figure . Attach a piece of hose between return line and a graduated container. Activate fuel pump for 30 seconds. Compare volume with specifications given in MAIN FUEL PUMP VOLUME (AFC-Digifant II) table.
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