Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
On-Vehicle Inspection
- CHECK FUEL PUMP OPERATION
- Connect the hand-held tester to the DLC3.
- Turn the ignition switch to ON.NOTE: Do not start the engine.
- Turn the hand-held tester ON.
- Select the following menu items: DIAGNOSIS/ENHANCED OBD II/ACTIVE TEST/FUEL PUMP/SPD.
- Check the fuel operation while operating it with the hand held tester.
If the fuel pump does not operate, replace the fuel pump.
- If you have no hand-held tester, connect the positive (+) lead from the battery to terminal 5 of the connector, and the negative (-) lead to terminal 4.
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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