2GR-FE Engine control system
How to proceed with troubleshooting
In this manual: 2GR-FE Engine control system
~1min read
HINT: The intelligent tester can be used in steps 2, 3, 4, 6 and 9.
1 VEHICLE BROUGHT TO WORKSHOP
2 CONNECT INTELLIGENT TESTER TO DLC3
HINT: If the display indicates a communication fault in the tester, inspect the DLC3.
3 CHECK DTC AND FREEZE FRAME DATA
- Check for DTC(s) and freeze frame data.
HINT: Record or print the DTCs and freeze frame data, if necessary.
4 CLEAR DTC AND FREEZE FRAME DATA
- Clear the DTC(s) and freeze frame data
5 CONDUCT VISUAL INSPECTION
6 SET CHECK MODE DIAGNOSIS
- Set the check mode
7 CONFIRM PROBLEM SYMPTOMS
HINT: If the engine does not start, perform steps 9 and 11 first.
Result

8 SIMULATE SYMPTOMS
9 CHECK FOR DTCS
- Check for DTCs.
Result

10 REFER TO DTC CHART
HINT: Refer to the DTC chart
GO TO STEP 13
11 CONDUCT BASIC INSPECTION
HINT: Refer to "BASIC INSPECTION".
Result

12 REFER TO PROBLEM SYMPTOMS TABLE
HINT: Refer to "PROBLEM SYMPTOMS TABLE".
Result

13 CHECK ECM POWER SOURCE CIRCUIT
HINT: Refer to "ECM POWER SOURCE CIRCUIT"
14 CONDUCT CIRCUIT INSPECTION
Result

15 CHECK FOR INTERMITTENT PROBLEMS
HINT: Refer to "CHECK FOR INTERMITTENT PROBLEMS"
GO TO STEP 17
16 CONDUCT PARTS INSPECTION
17 IDENTIFY PROBLEM
18 ADJUST AND/OR REPAIR
19 CONDUCT CONFIRMATION TEST
END
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