How to Proceed with Troubleshooting

2GR-FSE ENGINE CONTROL SYSTEM: SFI SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING

HOW TO PROCEED WITH TROUBLESHOOTING
HINT: *: Use the Techstream.

1. VEHICLE BROUGHT TO WORKSHOP
NEXT -- Continue to next step.
2. CUSTOMER PROBLEM ANALYSIS
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3. CONNECT TECHSTREAM TO THE DLC3*
HINT: If the display indicates a communication fault in the Techstream, inspect the DLC3.

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4. CHECK DTC AND FREEZE FRAME DATA* DTC Check / Clear
HINT: Record or print DTCs and freeze frame data, if necessary.

NEXT -- Continue to next step.
5. CLEAR DTC AND FREEZE FRAME DATA* DTC Check / Clear
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6. CONDUCT VISUAL INSPECTION
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7. SET CHECK MODE DIAGNOSIS* Check Mode Procedure
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8. CONFIRM PROBLEM SYMPTOMS
HINT: If the engine does not start, first perform the "check DTC" procedure and "conduct basic inspection" procedure below.

Result:






B -- GO TO STEP 10
A -- Continue to next step.
9. SIMULATE SYMPTOMS
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10. CHECK DTC* DTC Check / Clear
Result:






B -- GO TO STEP 12
A -- Continue to next step.
11. REFER TO DTC CHART Diagnostic Trouble Code Descriptions
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12. CONDUCT BASIC INSPECTION Basic Inspection
Result:






B -- GO TO STEP 17
A -- Continue to next step.
13. REFER TO PROBLEM SYMPTOMS TABLE Problem Symptoms Table
Result:






B -- GO TO STEP 17
A -- Continue to next step.
14. CHECK ECM POWER SOURCE CIRCUIT ECM Power Source Circuit
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15. CONDUCT CIRCUIT INSPECTION
Result:






B -- GO TO STEP 18
A -- Continue to next step.
16. CHECK FOR INTERMITTENT PROBLEMS Check for Intermittent Problems
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17. CONDUCT PARTS INSPECTION
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18. IDENTIFY PROBLEM
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19. ADJUST AND/OR REPAIR
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20. CONDUCT CONFIRMATION TEST
NEXT -- END