On-Vehicle Inspection [09/2022 - ]: Procedure
WARNING: This page is about a different car, the 2025 Toyota GR Corolla, 2024 Toyota GR Corolla, and 2023 Toyota GR Corolla. However, it is still accessible from the selected car via links, so may be relevant.
- INSPECT CAMSHAFT TIMING OIL CONTROL SOLENOID ASSEMBLY (for Intake Side)
- Connect the Techstream to the DLC3.
- Start the engine.
- Turn the Techstream on.
- Inspect the camshaft timing oil control solenoid assembly.
- Enter the following menus: Powertrain / Engine / Active Test / Control the Intake VVT OCV Duty Ratio Bank 1 / Data List / Intake VVT Change Angle Bank 1.
Powertrain > Engine > Active Test
Active Test Display Control the Intake VVT OCV Duty Ratio Bank 1 Data List Display Intake VVT Change Angle Bank 1 - Read the Data List while performing the Active Test with the engine idling.
OK
Techstream Operation Data List (Intake VVT Change Angle Bank 1) -100% to 100% Varies by 40 DegFR or more If the result is not as specified, check the camshaft timing oil control solenoid assembly, wire harness and ECM.
- Enter the following menus: Powertrain / Engine / Active Test / Control the Intake VVT OCV Duty Ratio Bank 1 / Data List / Intake VVT Change Angle Bank 1.
- INSPECT CAMSHAFT TIMING OIL CONTROL SOLENOID ASSEMBLY (for Exhaust Side)
- Connect the Techstream to the DLC3.
- Start the engine.
- Turn the Techstream on.
- Inspect the camshaft timing oil control solenoid assembly.
- Enter the following menus: Powertrain / Engine / Active Test / Control the Exhaust VVT OCV Duty Ratio Bank 1 / Data List / Exhaust VVT Change Angle Bank 1.
Powertrain > Engine > Active Test
Active Test Display Control the Exhaust VVT OCV Duty Ratio Bank 1 Data List Display Exhaust VVT Change Angle Bank 1 - Read the Data List while performing the Active Test with the engine idling.
OK
Techstream Operation Data List (Exhaust VVT Change Angle Bank 1) -100% to 100% Varies by 30 DegFR or more If the result is not as specified, check the camshaft timing oil control solenoid assembly, wire harness and ECM.
- Enter the following menus: Powertrain / Engine / Active Test / Control the Exhaust VVT OCV Duty Ratio Bank 1 / Data List / Exhaust VVT Change Angle Bank 1.