Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual: On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. INSPECT CAMSHAFT TIMING OIL CONTROL SOLENOID ASSEMBLY
(a) Connect the Techstream to the DLC3.
(b) Start the engine.
(c) Turn the Techstream on.
(d) Inspect the camshaft timing oil control solenoid assembly (for intake side).
(1) 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 |
(2) 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 70 DegFR or more |
If the result is not as specified, check the camshaft timing oil control solenoid assembly, wire harness and ECM.
(e) Inspect the camshaft timing oil control solenoid assembly (for exhaust side).
(1) 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 |
(2) 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 70 DegFR or more |
If the result is not as specified, check the camshaft timing oil control solenoid assembly, wire harness and ECM.
Components
COMPONENTS ILLUSTRATION *1 CAMSHAFT TIMING OIL CONTROL SOLENOID ASSEMBLY (for Intake Side of Bank 1) *2 CAMSHAFT TIMING OIL CONTROL SOLENOID ASSEMBLY (for Exhaust Side of Bank 1) *3 O- ...
Removal
REMOVAL CAUTION / NOTICE / HINT The necessary procedures (adjustment, calibration, initialization or registration) that must be performed after parts are removed and installed, or replaced during cams ...
Other materials:
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Dynamic Torque Control Awd System: Dtc Check / Clear
DTC CHECK / CLEAR CHECK DTC (a) Check for DTCs. (1) Connect the Techstream to the DLC3. (2) Turn the engine switch on (IG). (3) Turn the Techstream on. (4) Read the DTCs following the prompts on the Techstream screen. Enter the following menus: Chassis / Four Wheel Drive / Trouble Codes. Chassis > ...
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Steering System: Problem Symptoms Table
PROBLEM SYMPTOMS TABLE HINT:
Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspect ...
Lexus RX (RX 350L, RX450h) 2016-{YEAR} Owners Manual
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Lexus RX (RX 350L, RX450h) 2016-{YEAR} Repair Manual
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