How to Proceed with Troubleshooting
2TR-FE ENGINE CONTROL SYSTEM: SFI SYSTEM:
HOW TO PROCEED WITH TROUBLESHOOTING
*: Use the Techstream.
1. VEHICLE BROUGHT TO WORKSHOP
NEXT -- Continue to next step.
2. CUSTOMER PROBLEM ANALYSIS
NEXT -- Continue to next step.
3. CONNECT TECHSTREAM TO DLC3*
HINT: If the display indicates a communication fault in the tester, inspect the DLC3.
NEXT -- Continue to next step.
4. CHECK DTC AND FREEZE FRAME DATA*
HINT: Record or print DTCs (DTC Check / Clear) and freeze frame data (Freeze Frame Data), if necessary.
NEXT -- Continue to next step.
5. CLEAR DTC AND FREEZE FRAME DATA*
HINT: Refer to DTC Check / Clear (DTC Check / Clear).
NEXT -- Continue to next step.
6. CONDUCT VISUAL INSPECTION
NEXT -- Continue to next step.
7. SET CHECK MODE DIAGNOSIS*
HINT: Refer to Check Mode Procedure (Check Mode Procedure).
NEXT -- Continue to next step.
8. CONFIRM PROBLEM SYMPTOMS
HINT: If the engine does not start, first perform the "CHECK DTC" procedures and "CONDUCT BASIC INSPECTION" procedures below.
B -- GO TO STEP 10
A -- Continue to next step.
9. SIMULATE SYMPTOMS
NEXT -- Continue to next step.
10. CHECK DTC*
HINT: Refer to DTC Check / Clear (DTC Check / Clear).
B -- GO TO STEP 12
A -- Continue to next step.
11. REFER TO DTC CHART
HINT: Refer to Diagnostic Trouble Code Chart (Engine Control System - SFI System).
NEXT -- GO TO STEP 14
12. CONDUCT BASIC INSPECTION
HINT: Refer to Basic Inspection (Basic Inspection).
B -- GO TO STEP 17
A -- Continue to next step.
13. REFER TO PROBLEM SYMPTOMS TABLE
HINT: Refer to Problem Symptoms Table (Symptom Related Diagnostic Procedures).
B -- GO TO STEP 17
A -- Continue to next step.
14. CHECK ECM POWER SOURCE CIRCUIT
HINT: Refer to ECM Power Source Circuit (ECM Power Source Circuit).
NEXT -- Continue to next step.
15. CONDUCT CIRCUIT INSPECTION
B -- GO TO STEP 18
A -- Continue to next step.
16. CHECK FOR INTERMITTENT PROBLEMS
HINT: Refer to Check for Intermittent Problems (Check For Intermittent Problems).
NEXT -- GO TO STEP 18
17. CONDUCT PARTS INSPECTION
NEXT -- Continue to next step.
18. IDENTIFY PROBLEM
NEXT -- Continue to next step.
19. ADJUST AND/OR REPAIR
NEXT -- Continue to next step.
20. CONDUCT CONFIRMATION TEST
NEXT -- END