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How To Proceed With Troubleshooting

HINT: 

*: Use the Techstream.

  1. VEHICLE BROUGHT TO WORKSHOP 

    NEXT: Go to next step 

  2. CUSTOMER PROBLEM ANALYSIS 

    NEXT: Go to next step 

  3. CONNECT TECHSTREAM TO DLC3 

    HINT: 

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

    NEXT: Go to next step 

  4. CHECK DTC AND FREEZE FRAME DATA* 
    1. Check for DTCs. Refer to DTC CHECK/CLEAR  and freeze frame data. Refer to FREEZE FRAME DATA .

      HINT: 

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

      NEXT: Go to next step 

  5. CLEAR DTC AND FREEZE FRAME DATA* 
    1. Clear DTCs and freeze frame data. Refer to DTC CHECK/CLEAR .

      NEXT: Go to next step 

  6. CONDUCT VISUAL INSPECTION 

    NEXT: Go to next step 

  7. SET CHECK MODE DIAGNOSIS* 
    1. Switch the ECM from normal mode to check mode.

      HINT: 

      HINT: Refer to CHECK MODE PROCEDURE .

      NEXT: Go to next step 

  8. CONFIRM PROBLEM SYMPTOMS 
    1. Refer to PROBLEM SYMPTOMS TABLE .

      HINT: 

      If the engine does not start, first perform the "CHECK DTC" procedures and "CONDUCT BASIC INSPECTION" procedures below.

      Result Proceed to
      Malfunction does not occur A
      Malfunction occurs B

      B → GO TO STEP   10 

      A: Go to next step 

  9. SIMULATE SYMPTOMS 

    HINT: 

    Refer to Symptom Simulation. Refer to HOW TO PROCEED WITH TROUBLESHOOTING .

    NEXT: Go to next step 

  10. CHECK DTC* 
    1. Check for DTCs.

      HINT: 

      Refer to DTC CHECK/CLEAR .

      Result Proceed to
      Malfunction code A
      No code B

      B → GO TO STEP   12 

      A: Go to next step 

  11. REFER TO DTC TABLE 
    1. Refer to DIAGNOSTIC TROUBLE CODE TABLE .

      NEXT: Go to next step 

  12. CONDUCT BASIC INSPECTION 
    1. Conduct basic inspection. Refer to BASIC INSPECTION .
      Result Proceed to
      Malfunctioning parts not confirmed A
      Malfunctioning parts confirmed B

      B → GO TO STEP   17 

      A: Go to next step 

  13. REFER TO PROBLEM SYMPTOMS TABLE 
    1. Refer to PROBLEM SYMPTOMS TABLE .
      Result Proceed to
      Malfunctioning circuit confirmed A
      Malfunctioning parts confirmed B

      B → GO TO STEP   17 

      A: Go to next step 

  14. CHECK ECM POWER SOURCE CIRCUIT 
    1. Check the ECM power source circuit.

      HINT: 

      Refer to ECM Power Source Circuit .

      NEXT: Go to next step 

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

    B → GO TO STEP   18 

    A: Go to next step 

  16. CHECK FOR INTERMITTENT PROBLEMS 
    1. Check for intermittent problems.

      HINT: 

      Refer to CHECK FOR INTERMITTENT PROBLEMS .

      NEXT: Go to next step 

  17. CONDUCT PARTS INSPECTION 

    NEXT: Go to next step 

  18. IDENTIFY PROBLEM 

    NEXT: Go to next step 

  19. ADJUST AND/OR REPAIR 

    NEXT: Go to next step 

  20. CONDUCT CONFIRMATION TEST 

    NEXT → END