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 CONTROL MOTOR WITH EDU ASSEMBLY

Check Rotation Direction Signal:

Connect the Techstream to the DLC3.
Turn the engine switch on (IG).
Turn the Techstream on.

Enter the following menus: Powertrain / Engine / Data List / VVT-iE Motor Direction Bank1.

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 Bank1	Engine switch off → Engine 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 engine switch on (IG).
Turn the Techstream on.
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.