СИСТЕМА ECD ПРОЦЕДУРА ПОИСКА НЕИСПРАВНОСТЕЙ

CAUTION / NOTICE / HINT

PROCEDURE

1. VEHICLE BROUGHT TO WORKSHOP

   Result
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2. CUSTOMER PROBLEM ANALYSIS

   Result
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3. CONNECT GTS TO DLC3*

   Tech Tips

   If the display indicates a communication fault in the GTS, inspect the DLC3.

   When any CAN communication system DTCs are output, perform troubleshooting on the CAN communication system first.

   
   

   • for LHD with Central Gateway ECU

     Click here

   • for RHD with Central Gateway ECU

     Click here

   • for LHD without Central Gateway ECU

     Click here

   • for RHD without Central Gateway ECU

     Click here

   Result
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4. CHECK DTC AND FREEZE FRAME DATA*

   
   

   1. Check for DTCs.

      Click here

      
      Powertrain > Engine and ECT > Trouble Codes

   2. Check for freeze frame data.

      Click here

      Tech Tips

      Record or print DTCs and freeze frame data, if necessary.

      Result
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5. CLEAR DTC AND FREEZE FRAME DATA*

   
   

   1. Clear DTCs and freeze frame data.

      Click here

      
      Powertrain > Engine and ECT > Clear DTCs

      Result
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6. CONDUCT VISUAL INSPECTION

   Result
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7. CONFIRM PROBLEM SYMPTOMS

   
   

   1. Confirm problem symptoms.

      Tech Tips

      
      

      • Refer to Problem Symptoms Table.

        Click here

      • If the engine does not start, first perform the "Check for DTC" procedures and "Conduct Basic Inspection" procedures below.

      Result
      Result Proceed to Malfunction does not occur A Malfunction occurs B

   
   

   B

   GO TO STEP 9 Click here

   A

8. SIMULATE SYMPTOMS

   Tech Tips

   Refer to Symptom Simulation.

   Click here

   Result
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9. CHECK FOR DTC*

   
   

   1. Check for DTCs.

      Click here

      
      Powertrain > Engine and ECT > Trouble Codes

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

   
   

   B

   CONDUCT BASIC INSPECTION Click here

   A

10. REFER TO DTC CHART

    
    

    1. Refer to Diagnostic Trouble Code Chart.

       Click here

       Result
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    GO TO STEP 13 Click here

11. CONDUCT BASIC INSPECTION

    
    

    1. Conduct Basic Inspection.

       Click here

       Result
       Result Proceed to Malfunctioning parts not confirmed A Malfunctioning parts confirmed B

    
    

    B

    CONDUCT PARTS INSPECTION Click here

    A

12. REFER TO PROBLEM SYMPTOMS TABLE

    
    

    1. Refer to Problem Symptoms Table.

       Click here

       Result
       Result Proceed to Malfunctioning circuit confirmed A Malfunctioning parts confirmed B

    
    

    B

    GO TO STEP 16 Click here

    A

13. CHECK ECM POWER SOURCE CIRCUIT

    
    

    1. Check the ECM power source circuit.

       Click here

       Result
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14. CONDUCT CIRCUIT INSPECTION

    Result
    Result Proceed to Malfunction not confirmed A Malfunction confirmed B

    
    

    B

    GO TO STEP 17 Click here

    A

15. CHECK FOR INTERMITTENT PROBLEMS

    
    

    1. Check for intermittent problems.

       Click here

       Result
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    GO TO STEP 17 Click here

16. CONDUCT PARTS INSPECTION

    Result
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17. IDENTIFY PROBLEM

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18. ADJUST AND/OR REPAIR

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19. CONDUCT CONFIRMATION TEST

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    END