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 MANUALSHYUNDAI2002XG 350 V6-3.5LREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSTHROTTLE POSITION SENSORTESTING AND INSPECTIONCOMPONENT INSPECTION
2002 Hyundai XG 350 V6-3.5L
Component Inspection
2002 Hyundai XG 350 V6-3.5LSECTION Component Inspection
THROTTLE POSITION SENSOR (TPS) INSPECTION
1. Connect a HI-SCAN (PRO) to the data link connector.
NOTE: Before inspecting the TPS, verify the basic idle speed is as specified.
2. If a HI-SCAN (PRO) is not used, connect a digital type voltmeter between ground and TPS output terminal.
3. Turn the ignition switch to the ON position (do not start engine) and check that TPS output voltage is as specified. If a HI-SCAN (PRO) is used, read the TPS voltage.
Standard value (ETS vehicle): 300 - 900 mV
4. If it is out of specification, loosen TPS mounting screws and adjust by turning the TPS.
NOTE:
1. Turning the TP Sensor clockwise increases the output voltage.
2. Tighten the screws securely after adjustment.
5. Turn the ignition switch to the OFF position.
1. Connect a HI-SCAN (PRO) to the data link connector.
NOTE: Before inspecting the TPS, verify the basic idle speed is as specified.
2. If a HI-SCAN (PRO) is not used, connect a digital type voltmeter between ground and TPS output terminal.
3. Turn the ignition switch to the ON position (do not start engine) and check that TPS output voltage is as specified. If a HI-SCAN (PRO) is used, read the TPS voltage.
Standard value (ETS vehicle): 300 - 900 mV
4. If it is out of specification, loosen TPS mounting screws and adjust by turning the TPS.
NOTE:
1. Turning the TP Sensor clockwise increases the output voltage.
2. Tighten the screws securely after adjustment.
5. Turn the ignition switch to the OFF position.
RENDER: 1.0x
NO RELATED
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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.