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Home >> Lexus >> 2002 >> IS 300 Base, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - System & Component Testing >> Fuel System >> Fuel Delivery >> Fuel Pump Resistance
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Fuel Pump Resistance

Remove rear seat cushion. Remove floor service hole cover. Disconnect 5-pin connector from fuel pump and sending unit assembly. Measure resistance between terminals No. 4 and No. 5 at 5-pin fuel pump and sending unit connector. See Figure. Replace fuel pump if resistance is not 0.2-3.0 ohms at 68°F (20°C).