On-Vehicle Inspection [11/2021 - ]: Procedure
WARNING: This page is about a different car, the 2025 Lexus NX 350h, 2024 Lexus NX 350h, 2023 Lexus NX 350h, and 2022 Lexus NX 350h. However, it is still accessible from the selected car via links, so may be relevant.
- INSPECT CAM TIMING OIL CONTROL SOLENOID ASSEMBLY
- Put the engine in Inspection Mode (Maintenance Mode).
Powertrain > Hybrid Control > Utility
Tester Display Inspection Mode - Start the engine.
- According to the display on the GTS, perform the Active Test and check the engine speed while operating the cam timing oil control solenoid assembly.
Powertrain > Engine > Active Test
Tester Display Control the Exhaust VVT OCV Duty Ratio Bank 1 Standard Condition
GTS 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 [11/2021 - 03/2022] , or refer to DATA LIST / ACTIVE TEST [03/2022 - 03/2023] , or refer to DATA LIST / ACTIVE TEST [03/2023 - 03/2024] , or refer to DATA LIST / ACTIVE TEST [03/2024 - ]
- Test not possible with the shift lever in P during charge control. Move the shift lever to N to perform test.
- If the DTCs are stored after the Active Test, clear the DTCs.
If the result is not as specified, check the cam timing oil control solenoid assembly, wire harness and ECM.
- 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].
- Put the engine in Inspection Mode (Maintenance Mode).