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 DTC Status
- Ignition ON (SSB LED "BLUE") & Vehicle "STOP".
- Connect GDS and select "DTC Analysis" mode.
- Click "DTC Status" on the menu bar to view DTC information.
- Confirm that the "DTC Readiness Flag" indicates "COMPLETED".
- Read the "DTC Status" parameter.
- Is parameter displayed "Present fault"?
YES
- Substitute with a known-good TMU (MTS Module) and check for proper operation. If the problem is corrected, replace TMU (MTS Module) and then go to "VERIFICATION OF VEHICLE REPAIR " procedure. (Only for trained person)
NO
- Fault is intermittent caused by poor contact in the sensor's and/or Control module's connector or was repaired and Control module's memory was not cleared.
Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage. Repair or replace as necessary and go to "VERIFICATION OF VEHICLE REPAIR " procedure. (Only for trained person)
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.