SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSTOYOTA2020RAV4 XLE, AWDREPAIR AND DIAGNOSISACCESSORIES & EQUIPMENTDRIVERS ASSISTANCE SYSTEMS - ADASCRUISE CONTROL SYSTEM (EXCEPT HV) - DIAGNOSTICS - INTRODUCTIONCRUISE CONTROL SYSTEM (FOR GASOLINE MODEL)HOW TO PROCEED WITH TROUBLESHOOTING [11/2018 - 08/2020]PROCEDURE
2020 Toyota RAV4 XLE, AWD

How To Proceed With Troubleshooting [11/2018 - 08/2020]: Procedure

2020 Toyota RAV4 XLE, AWDSECTION Procedure
  1. VEHICLE BROUGHT TO WORKSHOP 

    Result

    Proceed to
    NEXT

    Result: 

    NEXT 

    See step  2

  2. INSPECT BATTERY VOLTAGE 
    1. Measure the battery voltage.

      Standard Voltage

      11 to 14 V

      If the voltage is below 11 V, replace or recharge the battery before proceeding to the next step.

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  3

  3. CHECK CAN COMMUNICATION SYSTEM* 
    1. Using the Techstream, check that the CAN communication system is functioning normally.

      HINT: 

      Refer to CAN Bus Check in CAN Communication System.

      Refer to DIAGNOSIS SYSTEM [11/2018 - 02/2019] , or refer to DIAGNOSIS SYSTEM [02/2019 - 10/2019] , or refer to DIAGNOSIS SYSTEM [10/2019 - 08/2020]

      OK

      CAN communication system is functioning normally.

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    GO TO CAN COMMUNICATION SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [11/2018 - ] 

    Result: 

    OK 

    See step  4

  4. CHECK FOR DTCs (CRUISE CONTROL SYSTEM)* 
    1. Check for DTCs, and note down any DTCs that are output.

      Refer to DTC CHECK / CLEAR [11/2018 - 08/2020] 

      Powertrain > Radar Cruise1 > Trouble Codes 

    2. Clear the DTCs.

      Refer to DTC CHECK / CLEAR [11/2018 - 08/2020] 

      Powertrain > Radar Cruise1 > Clear DTCs 

    3. Recheck for DTCs. Try to reproduce the DTCs by duplicating the conditions indicated by the DTCs.

      Refer to DTC CHECK / CLEAR [11/2018 - 08/2020] 

      Powertrain > Radar Cruise1 > Trouble Codes 

      Result

      Result Proceed to
      DTCs are not output A
      DTCs are output B

    Result: 

    B 

    GO TO DIAGNOSTIC TROUBLE CODE CHART. Refer to  DIAGNOSTIC TROUBLE CODE CHART [11/2018 - 08/2020]  

    Result: 

    A 

    See step  5

  5. PROBLEM SYMPTOMS TABLE 

    HINT: 

    Refer to Problem Symptoms Table.

    Refer to PROBLEM SYMPTOMS TABLE [11/2018 - 08/2020] 

    Result

    Result Proceed to
    Fault is not listed in Problem Symptoms Table A
    Fault is listed in Problem Symptoms Table B

    Result: 

    B 

    See step  7

    Result: 

    A 

    See step  6

  6. OVERALL ANALYSIS AND TROUBLESHOOTING* 
    1. Data List / Active Test

      Refer to DATA LIST / ACTIVE TEST [11/2018 - 08/2020] 

    2. Road test

      Refer to ROAD TEST [11/2018 - 08/2020] 

    3. Terminals of ECU

      Refer to TERMINALS OF ECU [11/2018 - 08/2020] 

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  7

  7. REPAIR OR REPLACE 

    Result

    Proceed to
    NEXT

    Result: 

    NEXT 

    See step  8

  8. CONFIRMATION TEST 

    Result

    Proceed to
    NEXT

    Result: 

    NEXT 

    END 

RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

Shop Manual-Ready ToolsFree Quote CheckQuote Shield Pro

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.