Ecd System How To Proceed With Troubleshooting

  1. VEHICLE BROUGHT TO WORKSHOP

  2. CUSTOMER PROBLEM ANALYSIS

  3. CONNECT INTELLIGENT TESTER TO DLC3*

  4. CHECK DTC AND FREEZE FRAME DATA*

  5. CLEAR DTC AND FREEZE FRAME DATA*

  6. CONDUCT VISUAL INSPECTION

  7. SET CHECK MODE DIAGNOSIS*

  8. CONFIRM PROBLEM SYMPTOMS

  9. CHECK DTC

  10. REFER TO DTC CHART*

  11. CONDUCT BASIC INSPECTION

  12. REFER TO PROBLEM SYMPTOMS TABLE

  13. CHECK ECM POWER SOURCE CIRCUIT

  14. CONDUCT CIRCUIT INSPECTION

  15. CHECK FOR INTERMITTENT PROBLEMS

  16. CONDUCT PARTS INSPECTION

  17. IDENTIFY PROBLEM

  18. ADJUST AND/OR REPAIR

  19. CONDUCT CONFIRMATION TEST

Ecd System -- How To Proceed With Troubleshooting


HINT:
  1. Use these procedures to troubleshoot the ECD system.
  2. *: Use the intelligent tester.


1.VEHICLE BROUGHT TO WORKSHOP

    NEXT


    2.CUSTOMER PROBLEM ANALYSIS

      NEXT


      3.CONNECT INTELLIGENT TESTER TO DLC3*
        HINT:
        If the display indicates a communication fault with the tester, inspect the DLC3.

      NEXT


      4.CHECK DTC AND FREEZE FRAME DATA*

      1. Refer to the DTC check / clear (Toyota Fortuner RM0000012WY00RX.html).

        2. HINT:
        Record or print DTCs and freeze frame data if necessary.

      NEXT


      5.CLEAR DTC AND FREEZE FRAME DATA*

      1. Refer to the DTC check / clear (Toyota Fortuner RM0000012WY00RX.html).


      NEXT


      6.CONDUCT VISUAL INSPECTION

        NEXT


        7.SET CHECK MODE DIAGNOSIS*

        1. Refer to the check mode procedure (Toyota Fortuner RM0000012WZ00QX.html).


        NEXT


        8.CONFIRM PROBLEM SYMPTOMS
          HINT:
          If the engine does not start, perform steps 10 and 12 first.
          Result:
          Result
          		Proceed to
          Malfunction occurs
          		A
          Malfunction does not occur
          		B


        		B.
        SIMULATE SYMPTOMS
        A


        9.CHECK DTC
          Result:
          Result
          		Proceed to
          Malfunction code
          		A
          No malfunction code
          		B


        		 B.
        Go to step 11
        A


        10.REFER TO DTC CHART*

        1. Refer to the diagnostic trouble code chart (Toyota Fortuner RM000002YV7016X.html).


        NEXT

        Go to step 13


        11.CONDUCT BASIC INSPECTION

        1. Refer to the basic inspection (Toyota Fortuner RM0000012X0005X.html).

          2. Result:
          Result
          		Proceed to
          Malfunctioning parts not confirmed
          		A
          Malfunctioning parts confirmed
          		B


        		B.
        Go to step 16
        A


        12.REFER TO PROBLEM SYMPTOMS TABLE

        1. Refer to the problem symptoms table (Toyota Fortuner RM0000012WF044X.html).

          2. HINT:
          1. Engine difficult to start or stalling (Toyota Fortuner RM000000TJ5081X.html).
          2. Black smoke emitted (Toyota Fortuner RM000000TIR08UX.html).
          3. Rough idling or excessive engine vibration (Toyota Fortuner RM000000W0C082X.html).
          4. Engine knocking or rattling (Toyota Fortuner RM000000W0D07SX.html).
          5. Lack of power or hesitation (Toyota Fortuner RM000000W0E07QX.html).
          Result:
          Result
          		Proceed to
          Malfunctioning circuit confirmed
          		A
          Malfunctioning parts confirmed
          		B


        		B.
        Go to step 16
        A


        13.CHECK ECM POWER SOURCE CIRCUIT

        1. Refer to the ECM power source circuit (Toyota Fortuner RM000000TI2045X.html).


        NEXT


        14.CONDUCT CIRCUIT INSPECTION
          Result:
          Result
          		Proceed to
          Malfunction not confirmed
          		A
          Malfunction confirmed
          		B


        		B.
        Go to step 17
        A


        15.CHECK FOR INTERMITTENT PROBLEMS

        1. Refer to the check for intermittent problems (Toyota Fortuner RM0000012X400RX.html).


        NEXT

        Go to step 18


        16.CONDUCT PARTS INSPECTION

          NEXT


          17.IDENTIFY PROBLEM

            NEXT


            18.ADJUST AND/OR REPAIR

              NEXT


              19.CONDUCT CONFIRMATION TEST

                NEXT

                END