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 engine 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 | 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.
(b) Check VVT Change Angle:
(1) Connect the Techstream to the DLC3.
(2) Turn the engine switch on (IG).
(3) Turn the Techstream on.
(4) Start the engine and warm it up until the engine coolant temperature reaches 75°C (167°F) or higher.
(5) 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 |
(6) 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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Make sure the contact surface of the cam timing control motor with EDU assembly (the surface that contacts the No. 2 timing gear cover assembly) is free o
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