On-Vehicle Inspection [10/2022 - ]: Procedure
WARNING: This page is about a different car, the 2025 Lexus RX 450h+, 2025 Lexus RX 350h, 2024 Lexus RX 450h+, 2024 Lexus RX 350h, and 2023 Lexus RX 350h. However, it is still accessible from the selected car via links, so may be relevant.
- INSPECT CAM TIMING OIL CONTROL SOLENOID ASSEMBLY
Pre-procedure1
- 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 [10/2022 - 08/2023] , or refer to DATA LIST / ACTIVE TEST [08/2023 - ]
- 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].
Post-procedure1
- None
- Put the engine in Inspection Mode (Maintenance Mode).