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Home >> Lexus >> 1997 >> SC 400 >> Repair and Diagnosis >> External Pages >> Different car >> Section 6 (Engine Controls - System/Component Tests) >> Fuel System >> Fuel Pump Operation >> Checking Fuel Pump Operation (Using Scan Tool)
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Checking Fuel Pump Operation (Using Scan Tool)

WARNING: This page is about a different car, the 1997 Lexus SC 300. However, it is still accessible from the selected car via links, so may be relevant.
  1. Connect scan tool to Data Link Connector (DLC) No. 3. Turn ignition on. DO NOT  start engine.
  2. Using scan tool manufacturer's instructions, activate electric fuel pump. Fuel pump is operating if fuel pump operating sound can be heard or pulsations can be felt in fuel line near fuel filter.
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