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.
ECM Re-communicating Function
Performing the following procedure can automatically perform re-communication of ECM and BCM or Intelligent Key unit, but only when the ECM has been replaced with a new one which has never been energized onboard.
(In this step, initialization procedure by CONSULT is not necessary)
- When registering new Key IDs or replacing the ECM other than brand new, refer to CONSULT Operation Manual.
- If multiple keys are attached to the key holder, separate them before work.
- Distinguish keys with unregistered key ID from those with registered ID.
- Install ECM.
- Use a registered key (*), turn ignition switch to "ON".
*: To perform this step, use the key that has been used before to perform ECM replacement.
- Maintain ignition switch in "ON" position for at least 5 seconds.
- Turn ignition switch to "OFF".
- Start engine.
If engine can be started, procedure is completed.
If engine cannot be started, refer to CONSULT Operation Manual and initialize control unit.
NO RELATED
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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.