Toyota 2.5L A25A FKS/FKB/FXS 4 CYL Engine Sensor Locations

Toyota 2.5L A25A FKS/FKB/FXS 4 CYL engine sensor location diagram — View with cosmetic engine cover installed. 2020 Toyota Camry 2.5L A25A FKS

Fuel injectors (located on the front side of the engine near the intake manifold)
Mass airflow sensor (MAF)
Camshaft position sensor (CMP) (located at the rear of the cylinder head cover)
Oil pressure sensor (located at the front of the engine)
Knock sensor (KS) (located on the front of the engine under the intake manifold
Crankshaft position sensor (CKP) (located at rear of engine near starter)
Engine coolant temperature sensor (ECT) (located at the rear of engine)
Ignition coils (located under cover on top of cylinder head cover)
Air Fuel Ratio Sensor (AFRS) (located in the exhaust manifold)
Electronic Throttle Body / Throttle position sensor (TPS)
Camshaft Oil Control Valve (top front of cylinder head cover)
Fuel Rail Pressure Sensor (FRPS) (located at end of fuel rail)
High Pressure Fuel Pump (back of engine near bulkhead)
Manifold Absolute Pressure sensor (MAP) (front of intake manifold)

Models Found On

2017–present Camry
2018–present RAV4
2018–present Lexus ES 250/260
2018–present Avalon
2021–present Highlander/Crown Kluger
2021–present Lexus NX 250/260
2017–present Camry Hybrid/Daihatsu Altis
2018–present Avalon Hybrid
2018–present RAV4 Hybrid
2018–present Lexus ES 300h
2018–present Crown Hybrid
2019–present Highlander Hybrid
2020–present RAV4/Wildlander Plug-in Hybrid/Prime/Suzuki Across
2020–present Harrier Hybrid/Venza
2020–present Sienna
2021–present Lexus NX 350h
2021–present Lexus NX 400h+/450h+

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2 Comments

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Mohammad Siddiqui

1 year ago

Hi,
While i was driving my engine coolant too high all way the up. massage says stop engine. Well i open the hood i saw passenger side little bit coolant i couldn’t find. Where’s come from. Radiator fan was running too high speed.

Randy W

Reply to Mohammad Siddiqui

Many possibilities. Thermostat, head gasket: need to pressure test to see where the coolant is going/why the temperature is too high. Contact a local professional to locate/verify.
Good luck.