Electronic Power Steering System How To Proceed With Troubleshooting

Steering. Toyota Rav4. Aca30, 33, 38 Gsa33 Zsa30, 35
Power Steering. Toyota Rav4. Aca30, 33, 38 Gsa33 Zsa30, 35

  1. VEHICLE BROUGHT TO WORKSHOP

  2. INSPECT BATTERY VOLTAGE

  3. PROBLEM SYMPTOM CONFIRMATION

  4. CHECK CAN COMMUNICATION SYSTEM*

  5. CHECK DTC*

  6. PROBLEM SYMPTOMS TABLE

  7. OVERALL ANALYSIS AND TROUBLESHOOTING*

  8. REPAIR OR REPLACE

  9. CONFIRMATION TEST

Electronic Power Steering System -- How To Proceed With Troubleshooting


HINT:
Perform troubleshooting in accordance with the following flowchart.
*: Use the intelligent tester.


1.VEHICLE BROUGHT TO WORKSHOP

    NEXT


    2.INSPECT BATTERY VOLTAGE
      Standard voltage:
      11 to 14 V
      If the voltage is below 11 V, recharge or replace the battery before proceeding.

    NEXT


    3.PROBLEM SYMPTOM CONFIRMATION

      NEXT


      4.CHECK CAN COMMUNICATION SYSTEM*

      1. Check for DTC (RAV4_ACA30 RM000001AL600RX.html).

        Result
        Result
        		Proceed to
        CAN system DTC is not output
        		A
        CAN system DTC is output
        		B

        HINT:
        1. When any CAN communication system DTCs are output, perform troubleshooting on the CAN communication system first.
        2. When communication to the power steering ECU is not established through the intelligent tester, inspect terminals SIL of the DLC3 and the power steering ECU, and the IG circuit of the power steering ECU.


      		B.
      PROCEED TO CAN COMMUNICATION SYSTEM
      A


      5.CHECK DTC*

      1. Check for DTC (RAV4_ACA30 RM000001AL600RX.html).

        Result
        Result
        		Proceed to
        DTC is output
        		A
        DTC is not output
        		B



      		A.
      Go to step 8
      B


      6.PROBLEM SYMPTOMS TABLE
        Result
        Result
        		Proceed to
        Fault is not listed in problem symptoms table
        		A
        Fault is listed in problem symptoms table
        		B


      		B.
      Go to step 8
      A


      7.OVERALL ANALYSIS AND TROUBLESHOOTING*

      1. Terminals of ECU (RAV4_ACA30 RM000001T0B001X.html).

      2. Data List / Active Test (RAV4_ACA30 RM000001T0J002X.html).


      NEXT


      8.REPAIR OR REPLACE

        NEXT


        9.CONFIRMATION TEST

          NEXT

          END