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 - ]: 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.
Refer to PRECAUTION [08/2015 - ]
Result
Result Proceed to CAN DTC is not output A CAN DTC is output B
Result:
B
GO TO CAN COMMUNICATION SYSTEM. Refer to HOW TO PROCEED WITH TROUBLESHOOTING [08/2015 - 08/2019] , or refer to HOW TO PROCEED WITH TROUBLESHOOTING [08/2019 - ]
Result:
A
See step 4
- Use the Techstream to check if the CAN communication system is functioning normally.
- CHECK COMMUNICATION FUNCTION OF LIN COMMUNICATION SYSTEM*
- Check if the LIN communication system is functioning normally.
Result
Result Proceed to LIN DTC is not output A LIN DTC is output B
Result:
B
GO TO LIN COMMUNICATION SYSTEM. Refer to HOW TO PROCEED WITH TROUBLESHOOTING [08/2015 - 08/2019] , or refer to HOW TO PROCEED WITH TROUBLESHOOTING [08/2019 - ]
Result:
A
See step 5
- Check if the LIN communication system is functioning normally.
- CHECK FOR DTC*
- Clear the DTCs.
Refer to DTC CHECK / CLEAR [08/2015 - ]
- Recheck for DTCs.
Result
Result Proceed to No DTCs are output A DTC B2311 is output A DTC B2312 is output B DTC B2313 is output B
Result:
B
GO TO DIAGNOSTIC TROUBLE CODE CHART. Refer to DIAGNOSTIC TROUBLE CODE CHART [08/2015 - ]
Result:
A
See step 6
- Clear the DTCs.
- PROBLEM SYMPTOMS TABLE
- Refer to Problem Symptoms Table.
Refer to PROBLEM SYMPTOMS TABLE [08/2015 - ]
Result
Result Proceed to Fault not listed in problem symptoms table A Fault listed in problem symptoms table B
Result:
B
See step 8
Result:
A
See step 7
- Refer to Problem Symptoms Table.
- OVERALL ANALYSIS AND TROUBLESHOOTING*
- Operation Check.
Refer to OPERATION CHECK [08/2015 - 08/2016] , or refer to OPERATION CHECK [08/2016 - ]
- Terminals of ECU.
Refer to TERMINALS OF ECU [08/2015 - 08/2019] , or refer to TERMINALS OF ECU [08/2019 - ]
- Data List / Active Test.
Refer to DATA LIST / ACTIVE TEST [08/2015 - ]
Result
Proceed to NEXT
Result:
NEXT
See step 8
- Operation Check.
- REPAIR OR REPLACE
Result
Result Proceed to Door window regulator replaced or removed/installed A Door window regulator not replaced or removed/installed B Result:
B
See step 10
Result:
A
See step 9
- PERFORM INITIALIZATION
- Initialize the power window regulator motor.
Refer to INITIALIZATION [08/2015 - ]
Result
Proceed to NEXT
Result:
NEXT
See step 10
- Initialize the power window regulator motor.
- 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.
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