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.

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HOMESERVICE MANUALSHYUNDAI2003SANTA FE LX, 3.5 E, AWDREPAIR AND DIAGNOSISENGINE PERFORMANCEENGINE CONTROL SYSTEMSFUEL SYSTEM (3.5L)MFI CONTROL SYSTEMTHROTTLE POSITION (TP) SENSORUSING VOLTMETER

2003 Hyundai Santa Fe LX, 3.5 E, AWD

Using Voltmeter

2003 Hyundai Santa Fe LX, 3.5 E, AWDSECTION Using Voltmeter

Disconnect the throttle position sensor connector.
Measure resistance between terminal 3 (sensor ground) and terminal 1 (sensor power).
Standard value : 3.5~6.5 kΩ

Fig 1: Checking Resistance Of Throttle Position Sensor
Courtesy of HYUNDAI MOTOR CO.
If the resistance is out of standard value above, replace the throttle position sensor.
Tightening torque:

1.5~2.5 Nm (15~25 kg.cm, 1.1~1.8 lb.ft)
Connect a pointer type voltmeter between terminal 3 (sensor ground) and terminal 2 (TPS main).

Fig 2: Checking Throttle Position Sensor
Courtesy of HYUNDAI MOTOR CO.
Operate the throttle valve slowly from the idle position to the full open position and check the voltage increases smoothly in proportion with the throttle valve opening angle.
If the voltage fails to change smoothly, replace TPS.
Connect a pointer type voltmeter between terminal 3 (sensor ground) and terminal 4 (TPS sub).

Fig 3: Checking Throttle Position Sensor
Courtesy of HYUNDAI MOTOR CO.
Operate the throttle valve slowly from the idle position to the full open position and check the voltage decreases smoothly in proportion with the throttle valve opening angle
If the voltage fails to change smoothly, replace TPS.

RENDER: 1.0x

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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.