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Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 17 (Engine Control System (A25A-FXS) - Service Information) >> Camshaft Oil Control Solenoid >> On-Vehicle Inspection [12/2019 - ] >> Procedure

On-Vehicle Inspection [12/2019 - ]: Procedure

WARNING: This page is about a different variant/trim than selected.
  1. INSPECT CAM TIMING OIL CONTROL SOLENOID ASSEMBLY 
    1. Put the engine in Inspection Mode (Maintenance Mode).

      Powertrain > Hybrid Control > Utility 

      Tester Display
      Inspection Mode
    2. Start the engine.
    3. According to the display on the GTS, perform the Active Test and check the engine speed while operating the cam timing oil control solenoid assembly.

      Powertrain > Engine > Active Test 

      Tester Display
      Control the Exhaust VVT OCV Duty Ratio Bank 1

      Standard Condition

      GTS Operation Engine Condition
      0% Normal engine speed
      100% Engine idles roughly or stalls

      HINT: 

      If the result is not as specified, check the cam timing oil control solenoid assembly, wire harness and ECM.