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 FOR DTC*
- Check for DTCs and make a note of any codes that are output.
- Clear the DTCs.
- Recheck for DTCs. Based on the DTCs output in the first step, try to force output of the same DTC by reproducing the symptoms indicated by the DTC.
Result
Result Proceed to No DTCs are output A DTC B2311 is output B DTC B2312 is output B DTC B2313 is output B LIN communication system DTCs are output C CAN communication system DTCs are output D
Result:
B
GO TO DIAGNOSTIC TROUBLE CODE CHART
(Refer to DIAGNOSTIC TROUBLE CODE CHART [08/2015 - ] )
Result:
C
GO TO LIN COMMUNICATION SYSTEM
(Refer to HOW TO PROCEED WITH TROUBLESHOOTING [08/2015 - ] )
Result:
D
GO TO CAN COMMUNICATION SYSTEM
(Refer to DIAGNOSIS SYSTEM [08/2015 - 08/2019] , or refer to DIAGNOSIS SYSTEM [08/2019 - 08/2021] , or refer to DIAGNOSIS SYSTEM [08/2021 - 08/2022] , or refer to DIAGNOSIS SYSTEM [08/2022 - ] )
Result:
A
See step 4
- PROBLEM SYMPTOMS TABLE
- Refer to Problem Symptoms Table (Refer to PROBLEM SYMPTOMS TABLE [08/2015 - 08/2022] , or refer to PROBLEM SYMPTOMS TABLE [08/2022 - ] ).
Result
Result Proceed to Fault not listed in problem symptoms table A Fault listed in problem symptoms table B
Result:
B
See step 6
Result:
A
See step 5
- Refer to Problem Symptoms Table (Refer to PROBLEM SYMPTOMS TABLE [08/2015 - 08/2022] , or refer to PROBLEM SYMPTOMS TABLE [08/2022 - ] ).
- OVERALL ANALYSIS AND TROUBLESHOOTING*
- Operation Check (Refer to OPERATION CHECK [08/2015 - 08/2019] , or refer to OPERATION CHECK [08/2019 - ] ).
- Terminals of ECU (Refer to TERMINALS OF ECU [08/2015 - 08/2019] , or refer to TERMINALS OF ECU [08/2019 - 08/2022] , or refer to TERMINALS OF ECU [08/2022 - ] ).
- Data List / Active Test (Refer to DATA LIST / ACTIVE TEST [08/2015 - 08/2019] , or refer to DATA LIST / ACTIVE TEST [08/2019 - 08/2022] , or refer to DATA LIST / ACTIVE TEST [08/2022 - ] ).
Result
Proceed to NEXT
Result:
NEXT
See step 6
- 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 8
Result:
A
See step 7
- RESET POWER WINDOW REGULATOR
- If a power window regulator switch LED is blinking, initialize the power window regulator (Refer to INITIALIZATION [08/2015 - ] ).
Result
Proceed to NEXT
Result:
NEXT
See step 8
- If a power window regulator switch LED is blinking, initialize the power window regulator (Refer to INITIALIZATION [08/2015 - ] ).
- 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.