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 MANUALSTOYOTA2025PRIUS PLUG-IN HYBRID XSE PREMIUMREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCEENGINE CONTROL SYSTEMSENGINE CONTROL SYSTEM - SERVICE INFORMATIONKNOCK SENSORINSPECTION [12/2022 - ]PROCEDURE
2025 Toyota Prius Plug-In Hybrid XSE Premium
Inspection [12/2022 - ]: Procedure
2025 Toyota Prius Plug-In Hybrid XSE PremiumSECTION Procedure
- INSPECT KNOCK CONTROL SENSOR
- Measure the resistance according to the value(s) in the table below.
*a Component without harness connected
(Knock Control Sensor)Standard Resistance
Tester Connection Condition Specified Condition Result 1 (EKNK) - 2 (KNK1) 25°C (77°F) 120 to 280 kΩ kΩ If the result is not as specified, replace the knock control sensor.
- Measure the resistance according to the value(s) in the table below.
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.