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.
Power Supply Circuit Inspection
2009 Hyundai Tucson Limited, 2.0 BSECTION Power Supply Circuit Inspection
- Ignition "ON" & Engine "OFF".
- Measure voltage between terminal 1 of the injector harness connector and chassis ground.
Specification : Approx. B+
- Is voltage within the specification?
YES
- Go to "CONTROL CIRCUIT INSPECTION " procedure.
NO
- Check for a open in the power supply circuit between the main relay and the Injector. Check for open or blown 15A injector fuse. Repair as necessary and go to "VERIFICATION OF VEHICLE REPAIR " procedure.
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
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.