On-Vehicle Inspection [08/2020 - ]: Procedure
WARNING: This page is about a different car, the 2024 Lexus ES 250, 2023 Lexus ES 250, 2022 Lexus ES 250, and 2021 Lexus ES 250. However, it is still accessible from the selected car via links, so may be relevant.
- INSPECT CAM TIMING OIL CONTROL SOLENOID ASSEMBLY
- Connect the Techstream to the DLC3.
- Start the engine.
- Turn the Techstream on.
- Enter the following menus: Powertrain / Engine / Active Test / Control the Exhaust VVT OCV Duty Ratio Bank 1.
Powertrain > Engine > Active Test
Tester Display Control the Exhaust VVT OCV Duty Ratio Bank 1 - According to the display on the Techstream, perform the Active Test and check the engine speed while operating the cam timing oil control solenoid assembly.
Standard Condition
Techstream Operation Engine Condition 0% Normal engine speed 100% Engine idles roughly or stalls HINT:
Refer to "Data List / Active Test" [Exhaust VVT Hold Learn Value Bank 1, Exhaust VVT Change Angle Bank 1, Exhaust VVT OCV Control Duty Ratio Bank 1 and Exhaust VVT Target Angle Bank 1].
Refer to DATA LIST / ACTIVE TEST [08/2020 - 08/2021] , or refer to DATA LIST / ACTIVE TEST [08/2021 - 09/2022] , or refer to DATA LIST / ACTIVE TEST [09/2022 - ]
If the result is not as specified, check the cam timing oil control solenoid assembly, wire harness and ECM.