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
- IG "ON" & Engine "OFF".
- After connecting GDS, Monitor the CURRENT DATA to check key status.
- Are both Key and ECU status learnt?
YES
Fault is intermittent caused by poor contact in Antenna Coil's and/or ECM/PCM's connector or was repaired and ICU's and/or ECM/PCM memory was not cleared.
Therefore, 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
Perform Password Teaching/changing and teaching process after neutralizing the ICU and/or ECM/PCM. If problem persists, check by replacing the trial ICI and/or ECM/PCM. If resolved, replace ICU and/or ECM/PCM, then go to verification.
After replacing ICU and/or ECM/PCM, perform Key teaching procedure with GDS.
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.