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 MANUALSNISSAN-DATSUN2024FRONTIER SL, RWDREPAIR AND DIAGNOSISENGINE PERFORMANCETESTING & DIAGNOSISENGINE CONTROL SYSTEM (DTC/CIRCUIT DIAGNOSIS) (5 OF 6)DTC/CIRCUIT DIAGNOSISDTC P1239: TP SENSORCOMPONENT INSPECTION (THROTTLE POSITION SENSOR)

2024 Nissan-Datsun Frontier SL, RWD

Component Inspection (Throttle Position Sensor)

2024 Nissan-Datsun Frontier SL, RWDSECTION Component Inspection (Throttle Position Sensor)

CHECK THROTTLE POSITION SENSOR

Turn ignition switch OFF.
Reconnect all harness connectors disconnected.
Perform Description .
Turn ignition switch ON.
Set selector lever to D position.

Check the voltage between ECM harness connector terminals under the following conditions.

ECM			Condition		Voltage
Connector	Terminal		Condition		Voltage
F79	103 (TP sensor 1)	100	Accelerator pedal	Fully released	More than 0.36 V
	103 (TP sensor 1)			Fully depressed	Less than 4.75 V
	114 (TP sensor 2)			Fully released	Less than 4.75 V
	114 (TP sensor 2)			Fully depressed	More than 0.36 V

Is the inspection result normal?

INSPECTION END

GO TO 2.

REPLACE ELECTRIC THROTTLE CONTROL ACTUATOR
1. Replace malfunctioning electric throttle control actuator.
2. Proceed to Description .
>>

INSPECTION END

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.