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.
Monitor GDS Data
DTC Inspection
- IG "OFF".
- Connect GDS.
- IG "ON" and engine "OFF".
- Select "Diagnostic Trouble Codes (DTC)" mode.
- Check for any DTCs on the "Diagnostic Trouble Code (DTC)" with GDS.
- Erase DTC.
- After erase DTC Check for any DTCs again.
- Is the same DTC occurred again?
YES
Go to next procedure.
NO
Fault is intermittent caused by poor contact in the BSD ECU's connector or was repaired and BSD ECU memory was not cleared. Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage. Repair or replace as necessary and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.
NO RELATED
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.