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HOMESERVICE MANUALSTOYOTA2020RAV4 XLE, AWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT VARIANT/TRIMSECTION 18 (ENGINE CONTROL SYSTEM (A25A-FXS) (W/O CANISTER PUMP MODULE) - DIAGNOSTICS - INTRODUCTION)SFI SYSTEM (W/O CANISTER PUMP MODULE)CHECK MODE PROCEDURE [11/2018 - 08/2020]CHECK MODE PROCEDURE [11/2018 - 08/2020]
2020 Toyota RAV4 XLE, AWD

Check Mode Procedure [11/2018 - 08/2020]

2020 Toyota RAV4 XLE, AWDSECTION Check Mode Procedure [11/2018 - 08/2020]
WARNING: This page is about a different variant/trim than selected.

HINT: 

Compared to normal mode, check mode is more sensitive to malfunctions. Therefore, check mode can detect malfunctions that cannot be detected in normal mode.

NOTE:

All of the stored DTCs and Freeze Frame Data are cleared if: 1) the ECM is changed from normal mode to check mode or vice versa; or 2) the power switch is turned from on (IG) to on (ACC) or off while in check mode. Before changing modes, always check for and note any DTCs and Freeze Frame Data.

  1. CHECK MODE PROCEDURE 
    1. Check and ensure the following conditions:
      1. Auxiliary battery voltage is 11 V or higher.
      2. Accelerator pedal fully released.
      3. Shift lever is in P or N.
      4. A/C switch is off.
    2. Turn the power switch off.
    3. Connect the Techstream to the DLC3.
    4. Turn the power switch on (IG).
    5. Turn the Techstream on.
    6. Enter the following menus: Powertrain / Engine / Utility / Check Mode.

      Powertrain > Engine > Utility 

      Tester Display
      Check Mode
    7. Change the ECM from normal mode to check mode.
    8. Check that the MIL flashes as shown in the illustration.
      GTY758299Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    9. Turn the power switch on (READY).
    10. Check that the MIL turns off.
    11. Simulate the conditions of the malfunction described by the customer.
    12. Check for DTCs and Freeze Frame Data using the Techstream.
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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.