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.
Diagnostic Procedure
- CHECK DTC
With CONSULT-II
- Turn ignition switch to "ON" position. (Do not start engine.)
- Select "SELF DIAG RESULTS" mode for "A/T" with CONSULT-II.
- Touch "ERASE".
- Turn ignition switch to "OFF" position and wait at least 10 seconds.
- Perform DTC confirmation procedure, "DTC CONFIRMATION PROCEDURE ".
Is the "TCM.ROM" displayed again?
- Yes >> Replace TCM.
- No >> INSPECTION END
Use the Manual With the Right Hardware
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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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