Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
On-Vehicle Inspection [11/2018 - ]: Procedure
- INSPECT CAM TIMING CONTROL MOTOR WITH EDU ASSEMBLY
- Check Rotation Direction Signal:
- Connect the Techstream to the DLC3.
- Turn the power switch on (IG).
- Turn the Techstream on.
- Enter the following menus: Powertrain / Engine / Data List / VVT-iE Motor Direction Bank 1.
Powertrain > Engine > Data List
Tester Display VVT-iE Motor Direction Bank 1 - According to the display on the Techstream, read the Data List.
Specified Condition
Techstream Display Condition Specified Condition VVT-iE Motor Direction Bank 1 Power switch off → Power switch on (IG) Backward HINT:
If the result is not as specified, inspect the cam timing control motor with EDU assembly and wire harness.
- Check VVT Change Angle:
- Connect the Techstream to the DLC3.
- Turn the power switch on (IG).
- Turn the Techstream on.
- Put the engine in Inspection Mode (Maintenance Mode).
Powertrain > Hybrid Control > Utility
Tester Display Inspection Mode - Start the engine and warm it up until the engine coolant temperature reaches 75°C (167°F) or higher.
- Enter the following menus: Powertrain / Engine / Active Test / Control the VVT-iE Opening Angle Bank 1 / Data List / Intake VVT Change Angle Bank 1 and Intake VVT Target Angle Bank 1.
Powertrain > Engine > Active Test
Active Test Display Control the VVT-iE Opening Angle Bank 1 Data List Display Intake VVT Change Angle Bank 1 Intake VVT Target Angle Bank 1 - Read the Data List while performing the Active Test with the engine idling.
Specified Condition
Active Test Movement Order Difference between "Intake VVT Change Angle Bank 1" and "Intake VVT Target Angle Bank 1" 0 deg → 10 deg → 20 deg → 40 deg → 0 deg → 10 deg → END Within 4 DegFR HINT:
If the result is not as specified, inspect the cam timing control motor with EDU assembly and camshaft timing gear assembly.
- Check Rotation Direction Signal:
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.