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.
2024 Lexus ES 300h BaseFACTORY OEM SERVICE PROCEDURE
Engine Control System (A25A-FXS) (Service Specifications)
- A25A-FXS Engine Control
- Service Data [06/2018 - 10/2019]
- Service Data [06/2018 - 10/2019]
- Ignition System
- Camshaft Oil Control Valve
- Camshaft Oil Control Solenoid
- Camshaft Timing Control Motor
- Throttle Body
- Mass Air Flow Meter
- Engine Coolant Temperature Sensor
- No. 2 Engine Coolant Temperature Sensor
- Engine Oil Temperature Sensor
- Knock Sensor
- Air Fuel Ratio Sensor (For Sensor 1)
- Air Fuel Ratio Sensor (For Sensor 2)
- Relay
- Service Data [06/2018 - 10/2019]
- Service Data [10/2019 - ]
- Torque Specifications [06/2018 - 10/2019]
- Torque Specifications [10/2019 - ]
- Service Data [06/2018 - 10/2019]
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.
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