Mike's Workshop Manuals: Service manuals for every vehicle
Home >> Lexus >> 2021 >> RX 350 Base, AWD >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Intake System / Exhaust System - Inspection >> Intake System >> On-Vehicle Inspection [09/2015 - 12/2017] >> Procedure

On-Vehicle Inspection [09/2015 - 12/2017]: Procedure

  1. INSPECT INTAKE SYSTEM 
    WARNING:

    To prevent injury due to contact with an operating V-ribbed belt or cooling fan, keep your hands and clothing away from the V-ribbed belt and cooling fans when working in the engine compartment with the engine running or the engine switch on (IG).

    GTY600652Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Check that there are no vacuum leaks at the points shown in the illustration.

      HINT: 

      Perform Inspection After Repair after repairing vacuum leaks in the intake system.

      Refer to INITIALIZATION [09/2015 - 08/2019]

      1. for Intake Air Sound Creator:
        GTY627851Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      2. for Intake Air Resonator:
        GTY627850Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. INSPECT INTAKE AIR CONTROL VALVE (for ACIS) 
    1. Connect the GTS to the DLC3.
    2. Turn the engine switch on (IG).
    3. Turn the GTS on.
    4. Enter the following menus: Powertrain / Engine / Active Test / Activate the VSV for Intake Control.
      GTY631216Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Actuator Rod

      Powertrain > Engine > Active Test 

      Tester Display
      Activate the VSV for Intake Control
    5. When Activate the VSV for Intake Control is set to on, check that the actuator rod operates.

      If the actuator rod does not operate, inspect the intake air control valve (for ACIS) and No. 1 vacuum switching valve assembly (for ACIS).

    6. When Activate the VSV for Intake Control is set to off, check that the actuator rod returns to its original position.

      If the actuator rod does not return to its original position, inspect the intake air control valve (for ACIS) and No. 1 vacuum switching valve assembly (for ACIS).

  3. PERFORM INITIALIZATION 
    1. Perform Inspection After Repair after repairing vacuum leaks in the intake system.

      Refer to INITIALIZATION [09/2015 - 08/2019]

scientia non olet · About Mike's Workshop Manuals