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Home >> Isuzu >> 1992 >> Stylus S, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - System/Component Tests >> Fuel System >> Fuel Delivery >> Fuel Pump Relay

Fuel Pump Relay

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  1. Fuel pump relay is located under hood on right inner fender well inside relay box. Remove relay from connector and test for continuity between terminals 1 and 3. See Fig 1 . Ensure no continuity is present. Test between terminals 1 and 2 for continuity. Ensure continuity is present.
  2. Apply battery voltage between terminals 4 and 5. Ensure continuity is present between terminals 1 and 3. Ensure continuity is not present between terminals 1 and 2. Replace relay if defective.
Fig 1: Fuel Pump & Starter Relay Terminal ID
G90F17991Courtesy of ISUZU MOTOR CO.
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