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

  1. VEHICLE BROUGHT TO WORKSHOP

  2. CUSTOMER PROBLEM ANALYSIS

  3. CHECK AND CLEAR DTC

  4. CONFIRM PROBLEM SYMPTOMS

  5. CHECK DTC

  6. REFER TO DTC CHART

  7. CONDUCT BASIC INSPECTION

  8. REFER TO PROBLEM SYMPTOMS TABLE

  9. CHECK ECM POWER SOURCE CIRCUIT

  10. CONDUCT CIRCUIT INSPECTION

  11. CHECK FOR INTERMITTENT PROBLEMS

  12. CONDUCT PARTS INSPECTION

  13. IDENTIFY PROBLEM

  14. ADJUST AND/OR REPAIR

  15. 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. When using 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 RM0000012WY005X.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 RM0000012WY005X.html).


      NEXT


      6.CONDUCT VISUAL INSPECTION

        NEXT


        7.SET CHECK MODE DIAGNOSIS*

        1. Refer to the check mode procedure (Toyota Fortuner RM0000012WZ005X.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 RM0000012WD005X.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 RM0000012WF005X.html).

          2. HINT:
          1. Engine difficult to start or stalling (Toyota Fortuner RM000000TJ507CX.html).
          2. Black smoke emitted (Toyota Fortuner RM000000TIR07YX.html).
          3. Rough idling or excessive engine vibration (Toyota Fortuner RM000000W0C07BX.html).
          4. Engine knocking or rattling (Toyota Fortuner RM000000W0D073X.html).
          5. Lack of power or hesitation (Toyota Fortuner RM000000W0E00FX.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 RM000000TI200CX.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 RM0000012X4005X.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

                1. When not using intelligent tester:


                1.VEHICLE BROUGHT TO WORKSHOP

                  NEXT


                  2.CUSTOMER PROBLEM ANALYSIS

                    NEXT


                    3.CHECK AND CLEAR DTC

                      NEXT


                      4.CONFIRM PROBLEM SYMPTOMS
                        Result:
                        Result
                        		Proceed to
                        Malfunction occurs
                        		A
                        Malfunction does not occur
                        		B


                      		B.
                      SIMULATE SYMPTOM
                      A


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


                      		 B.
                      Go to step 7
                      A


                      6.REFER TO DTC CHART

                        NEXT

                        Go to step 9


                        7.CONDUCT BASIC INSPECTION
                          Result:
                          Result
                          		Proceed to
                          Malfunctioning parts not confirmed
                          		A
                          Malfunctioning parts confirmed
                          		B


                        		B.
                        Go to step 12
                        A


                        8.REFER TO PROBLEM SYMPTOMS TABLE
                          HINT:
                          1. Engine difficult to start or stalling (Toyota Fortuner RM000000TJ507CX.html).
                          2. Black smoke emitted (Toyota Fortuner RM000000TIR07YX.html).
                          3. Rough idling or excessive engine vibration (Toyota Fortuner RM000000W0C07BX.html).
                          4. Engine knocking or rattling (Toyota Fortuner RM000000W0D073X.html).
                          5. Lack of power or hesitation (Toyota Fortuner RM000000W0E00FX.html).
                          Result:
                          Result
                          		Proceed to
                          Malfunctioning circuit confirmed
                          		A
                          Malfunctioning parts confirmed
                          		B


                        		B.
                        Go to step 12
                        A


                        9.CHECK ECM POWER SOURCE CIRCUIT

                          NEXT


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


                          		B.
                          Go to step 13
                          A


                          11.CHECK FOR INTERMITTENT PROBLEMS

                            NEXT

                            Go to step 13


                            12.CONDUCT PARTS INSPECTION

                              NEXT


                              13.IDENTIFY PROBLEM

                                NEXT


                                14.ADJUST AND/OR REPAIR

                                  NEXT


                                  15.CONDUCT CONFIRMATION TEST

                                    NEXT

                                    END