How To Proceed With Troubleshooting [09/2015 - ]: Procedure
- VEHICLE BROUGHT TO WORKSHOP
Result
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See step 2
- CUSTOMER PROBLEM ANALYSIS
Result
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See step 3
- CONNECT TECHSTREAM TO DLC3
HINT:
If the display indicates a communication fault in the Techstream, inspect the DLC3.
When any CAN communication system DTCs are output, perform troubleshooting on the CAN communication system first.
Result
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NEXT
See step 4
- CHECK DTC AND FREEZE FRAME DATA*
- Check for DTCs (Refer to DTC CHECK / CLEAR [09/2015 - ] ) and freeze frame data (Refer to FREEZE FRAME DATA [09/2015 - 08/2018] , or refer to FREEZE FRAME DATA [08/2018 - 08/2019] , or refer to FREEZE FRAME DATA [08/2019 - 08/2020] , or refer to FREEZE FRAME DATA [08/2020 - ] ).
HINT:
Record or print DTCs and freeze frame data, if necessary.
Result
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Result:
NEXT
See step 5
- Check for DTCs (Refer to DTC CHECK / CLEAR [09/2015 - ] ) and freeze frame data (Refer to FREEZE FRAME DATA [09/2015 - 08/2018] , or refer to FREEZE FRAME DATA [08/2018 - 08/2019] , or refer to FREEZE FRAME DATA [08/2019 - 08/2020] , or refer to FREEZE FRAME DATA [08/2020 - ] ).
- CLEAR DTC AND FREEZE FRAME DATA*
- Clear DTCs and freeze frame data.
Refer to DTC CHECK / CLEAR [09/2015 - ]
Result
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Result:
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See step 6
- Clear DTCs and freeze frame data.
- CONDUCT VISUAL INSPECTION
Result
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See step 7
- SET CHECK MODE DIAGNOSIS*
- Switch the ECM from normal mode to check mode.
HINT:
Refer to Check Mode Procedure.
Refer to CHECK MODE PROCEDURE [09/2015 - ]
Result
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Result:
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See step 8
- Switch the ECM from normal mode to check mode.
- CONFIRM PROBLEM SYMPTOMS
- Confirm problem symptoms.
HINT:
- Refer to Problem Symptoms Table.
Refer to PROBLEM SYMPTOMS TABLE [09/2015 - ]
- If the engine does not start, first perform the Check DTC procedures and Conduct Basic Inspection procedures below.
Result
Result Proceed to Malfunction does not occur A Malfunction occurs B - Refer to Problem Symptoms Table.
Result:
B
See step 10
Result:
A
See step 9
- Confirm problem symptoms.
- SIMULATE SYMPTOMS
HINT:
Refer to Symptom Simulation.
Refer to HOW TO PROCEED WITH TROUBLESHOOTING [09/2015 - ]
Result
Proceed to NEXT Result:
NEXT
See step 10
- CHECK DTC*
- Check for DTCs.
HINT:
Refer to DTC Check / Clear.
Refer to DTC CHECK / CLEAR [09/2015 - ]
Result
Result Proceed to Trouble code A No code B
Result:
B
See step 12
Result:
A
See step 11
- Check for DTCs.
- REFER TO DTC CHART
HINT:
Refer to Diagnostic Trouble Code Chart.
Refer to DIAGNOSTIC TROUBLE CODE CHART [09/2015 - 08/2016] , or refer to DIAGNOSTIC TROUBLE CODE CHART [08/2016 - 08/2017] , or refer to DIAGNOSTIC TROUBLE CODE CHART [08/2017 - 08/2018] , or refer to DIAGNOSTIC TROUBLE CODE CHART [08/2018 - 08/2019] , or refer to DIAGNOSTIC TROUBLE CODE CHART [08/2019 - 08/2020] , or refer to DIAGNOSTIC TROUBLE CODE CHART [08/2020 - ]
Result
Proceed to NEXT Result:
NEXT
See step 14
- CONDUCT BASIC INSPECTION
- Conduct basic inspection.
Refer to BASIC INSPECTION [09/2015 - ]
Result
Result Proceed to Malfunctioning parts not confirmed A Malfunctioning parts confirmed B
Result:
B
See step 17
Result:
A
See step 13
- Conduct basic inspection.
- REFER TO PROBLEM SYMPTOMS TABLE
HINT:
Refer to Problem Symptoms Table.
Refer to PROBLEM SYMPTOMS TABLE [09/2015 - ]
Result
Result Proceed to Malfunctioning circuit confirmed A Malfunctioning parts confirmed B Result:
B
See step 17
Result:
A
See step 14
- CHECK ECM POWER SOURCE CIRCUIT
- Check the ECM power source circuit.
HINT:
Refer to ECM Power Source Circuit.
Refer to ECM Power Source Circuit [09/2015 - ]
Result
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Result:
NEXT
See step 15
- Check the ECM power source circuit.
- CONDUCT CIRCUIT INSPECTION
Result
Result Proceed to Malfunction not confirmed A Malfunction confirmed B Result:
B
See step 18
Result:
A
See step 16
- CHECK FOR INTERMITTENT PROBLEMS
- Check for intermittent problems.
HINT:
Refer to Check for Intermittent Problems.
Refer to CHECK FOR INTERMITTENT PROBLEMS [09/2015 - ]
Result
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Result:
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See step 18
- Check for intermittent problems.
- CONDUCT PARTS INSPECTION
Result
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NEXT
See step 18
- IDENTIFY PROBLEM
Result
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NEXT
See step 19
- ADJUST AND/OR REPAIR
Result
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See step 20
- CONDUCT CONFIRMATION TEST
Result
Proceed to NEXT Result:
NEXT
END