Lexus ES: On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. INSPECT CAM TIMING CONTROL MOTOR WITH EDU ASSEMBLY
(a) Check Rotation Direction Signal:
(1) Connect the Techstream to the DLC3.
(2) Turn the power switch on (IG).
(3) Turn the Techstream on.
(4) 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 |
(5) According to the display on the Techstream, read the Data List.
Specified Condition:
| Techstream Display | Condition | Specified Condition |
|---|---|---|
| VVT-iE Motor Direction Bank1 | 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.
(b) Check VVT Change Angle:
(1) Connect the Techstream to the DLC3.
(2) Turn the power switch on (IG).
(3) Turn the Techstream on.
(4) Put the engine in Inspection Mode (Maintenance Mode).
Powertrain > Hybrid Control > Utility| Tester Display |
|---|
| Inspection Mode |
(5) Start the engine and warm it up until the engine coolant temperature reaches 75°C (167°F) or higher.
(6) 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 |
(7) 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.
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