LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2024 >> NX 250 AWD >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System - Service Information >> Camshaft Timing Control Motor >> On-Vehicle Inspection [11/2021 - ] >> Procedure
April 5, 2026: LEMON Manuals is launched! Read the announcement.

On-Vehicle Inspection [11/2021 - ]: Procedure

  1. INSPECT CAM TIMING CONTROL MOTOR WITH EDU ASSEMBLY 
    1. Check Rotation Direction Signal:
      1. According to the display on the GTS, read the Data List.

        Powertrain > Engine > Data List 

        Tester Display
        VVT-iE Motor Direction Bank 1

        Specified Condition

        GTS Display Condition Specified Condition
        VVT-iE Motor Direction Bank1 Ignition switch off → Ignition switch ON Backward

        If the result is not as specified, inspect the cam timing control motor with EDU assembly and wire harness.

    2. Check VVT Change Angle:
      1. Start the engine and warm it up until the engine coolant temperature reaches 75°C (167°F) or higher.
      2. 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
      3. 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

        If the result is not as specified, inspect the cam timing control motor with EDU assembly and camshaft timing gear assembly.

scientia non olet · About LEMON Manuals