Power Steering System (W/ Variable Flow Control Solenoid Valve) How To Proceed With Troubleshooting

Steering. Land Cruiser. Urj200, 202 Grj200 Vdj200
Power Assist Systems. Land Cruiser. Urj200, 202 Grj200 Vdj200

  1. VEHICLE BROUGHT TO WORKSHOP

  2. CUSTOMER PROBLEM ANALYSIS

  3. INSPECT BATTERY VOLTAGE*

  4. CHECK DTC*

  5. CLEAR DTC*

  6. PROBLEM SYMPTOM CONFIRMATION

  7. SYMPTOM SIMULATION

  8. CHECK CAN COMMUNICATION SYSTEM*

  9. CHECK FOR DTC*

  10. PROBLEM SYMPTOMS TABLE

  11. CIRCUIT INSPECTION

  12. IDENTIFICATION OF PROBLEM

  13. REPAIR OR REPLACE

  14. CONFIRMATION TEST

Power Steering System (W/ Variable Flow Control Solenoid Valve) -- How To Proceed With Troubleshooting


HINT:
*: Use the GTS.


1.VEHICLE BROUGHT TO WORKSHOP

    NEXT


    2.CUSTOMER PROBLEM ANALYSIS

    1. Confirm problem symptoms (Click here).


    NEXT


    3.INSPECT BATTERY VOLTAGE*

    1. Measure the voltage of the battery.

      Standard voltage:
      11 to 14 V
      If the voltage is below 11 V, recharge or replace the battery before proceeding to the next step.

    NEXT


    4.CHECK DTC*

    1. Check and record DTCs.


    NEXT


    5.CLEAR DTC*

    1. Clear the DTCs.


    NEXT


    6.PROBLEM SYMPTOM CONFIRMATION
      Result
      Result
      		Proceed to
      Symptom does not occur.
      		A
      Symptom occurs.
      		B


    		B.
    Go to step 8
    A


    7.SYMPTOM SIMULATION

    1. Perform symptom simulation (Click here).


    NEXT


    8.CHECK CAN COMMUNICATION SYSTEM*

    1. Check for DTCs (Click here).

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

      HINT:
      1. If any CAN communication system DTCs are output, perform troubleshooting for the CAN communication system first.
        2. for LHD:
        1. Refer to the following procedures (Click here).
        for RHD:
        1. Refer to the following procedures (Click here).
      2. If communication with the power steering ECU cannot be established through the GTS, inspect terminals CANH and CANL of the DLC3 and power steering ECU, and the IG circuit of the power steering ECU.


    		B.
    PROCEED TO CAN COMMUNICATION SYSTEM (HOW TO PROCEED WITH TROUBLESHOOTING)
    A


    9.CHECK FOR DTC*

    1. Check for DTCs (Click here).

      HINT:
      Refer to Diagnostic Trouble Code Chart when any DTCs are output (Click here).
      Result
      Result
      		Proceed to
      DTC is not output.
      		A
      DTC is output.
      		B


    		B.
    Go to step 11
    A


    10.PROBLEM SYMPTOMS TABLE

    1. Refer to Problem Symptoms Table (Click here).


    NEXT


    11.CIRCUIT INSPECTION

      NEXT


      12.IDENTIFICATION OF PROBLEM

        NEXT


        13.REPAIR OR REPLACE

          NEXT


          14.CONFIRMATION TEST

            NEXT

            END