Diagnosis & Repair (With Hand-Held Tester)

WARNING: This page is about a different car, the 2003 Lexus LX 470. However, it is still accessible from the selected car via links, so may be relevant.

For wiring diagram, see Fig 1. For diagnosis and repair, see Fig 2 and Fig 3 .

Fig 1: Fuel Pump Control Circuit Wiring Diagram

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Fig 2: Diagnosis & Repair Of Fuel Pump Control Circuit (Step 1-5)

Fig 3: Diagnosis & Repair Of Fuel Pump Control Circuit (Step 6-8)