LEMON Manuals: Even more car manuals for everyone
Home >> Toyota >> 2021 >> RAV4 LE, AWD >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Stop And Start System - Service Information >> Vacuum Sensor Assembly >> On-Vehicle Inspection [11/2018 - ] >> Procedure

On-Vehicle Inspection [11/2018 - ]: Procedure

  1. INSPECT VACUUM SENSOR ASSEMBLY 
    1. Connect the Techstream to the DLC3.
    2. Start the engine.
    3. Turn the ignition switch off.
    4. Turn the ignition switch to ON.
    5. Turn the Techstream on.
    6. Enter the following menus: Powertrain / Stop and Start / Data List / Brake Boost Pressure.

      Powertrain > Stop and Start > Data List 

      Tester Display
      Brake Boost Pressure
    7. Compare the "Brake Boost Pressure" values before and after the brake pedal was depressed 5 times.

      Standard

      Internal pressure changes by 20 kPa (0.2 kgf/cm2 , 2.9 psi) or more.

      HINT: 

      If the result is not as specified, replace the vacuum sensor assembly.