Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
How To Proceed With Troubleshooting [08/2015 - 08/2019]: Procedure
- VEHICLE BROUGHT TO WORKSHOP
Result
Proceed to NEXT Result:
NEXT
See step 2
- INSPECT BATTERY VOLTAGE
Standard voltage
11 to 14 V
If the voltage is below 11 V, recharge or replace the battery before proceeding.
Result
Proceed to NEXT Result:
NEXT
See step 3
- CHECK COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM*
- Use the Techstream to check if the CAN communication system is functioning normally.
Result
Result Proceed to CAN DTC is not output A CAN DTC is output B
Result:
B
GO TO CAN COMMUNICATION SYSTEM
Refer to DIAGNOSIS SYSTEM [08/2015 - 08/2019]
Result:
A
See step 4
- Use the Techstream to check if the CAN communication system is functioning normally.
- CHECK FOR DTC*
- Check for DTCs (Refer to DTC CHECK / CLEAR [08/2015 - 08/2019] ).
- Clear the DTCs (Refer to DTC CHECK / CLEAR [08/2015 - 08/2019] ).
- Recheck for DTCs (Refer to DTC CHECK / CLEAR [08/2015 - 08/2019] ).
Result
Result Proceed to DTC is not output A DTC is output B
Result:
B
See step 8
Result:
A
See step 5
- PROBLEM SYMPTOMS TABLE
- Refer to Problem Symptoms Table (Refer to PROBLEM SYMPTOMS TABLE [08/2015 - 08/2019] ).
Result
Result Proceed to Fault is not listed in problem symptoms table A Fault is listed in problem symptoms table B
Result:
B
See step 8
Result:
A
See step 6
- Refer to Problem Symptoms Table (Refer to PROBLEM SYMPTOMS TABLE [08/2015 - 08/2019] ).
- OVERALL ANALYSIS AND TROUBLESHOOTING*
- Road Test (Refer to DATA LIST / ACTIVE TEST [08/2015 - 08/2019] ).
- Terminals of ECU (Refer to TERMINALS OF ECM [08/2015 - 08/2019] ).
- Data List / Active Test (Refer to DATA LIST / ACTIVE TEST [08/2015 - 08/2019] ).
Result
Proceed to NEXT
Result:
NEXT
See step 7
- ADJUST, REPAIR OR REPLACE
Result
Proceed to NEXT Result:
NEXT
See step 8
- CONFIRMATION TEST
Result
Proceed to NEXT Result:
NEXT
END
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.