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 Neutral Mode procedure
- After replacing the ECM of the vehicle with the immobilizer, the following procedure must be performed.
[If installing a used ECM]
- Perform "ECM NEUTRAL MODE " procedure using GDS. (Refer to REPAIR PROCEDURES "Body Electrical System - "Immobilizer System - Repair procedures")
- After finishing "ECM Neutral Mode", perform "Key Teaching" procedure using GDS. (Refer to REPAIR PROCEDURES "Body Electrical System - "Immobilizer System - Repair procedures")
[If installing a new ECM]
Perform "Key Teaching" procedure using GDS. (Refer to REPAIR PROCEDURES "Body Electrical System - "Immobilizer System - Repair procedures")
- After replacing the ECM of the vehicle with the smart key system (button start), the following procedure must be performed.
[If installing a used ECM]
- Perform "ECM NEUTRAL MODE " procedure using GDS. (Refer to REPAIR PROCEDURES "Body Electrical System - "Smart key System - Repair procedures")
- After finishing "ECM Neutral Mode", turn IGN ON then OFF using the smart key or start button. Then the ECM learns information on the smart key automatically.
[If installing a new ECM]
Turn IGN ON then OFF using the smart key or start button. Then the ECM learns information on the smart key automatically.
TCM learning procedure
- Perform TCM learning after replacing the PCM.
(Refer to Automatic Transaxle Control System - "ADJUSTMENT ")
ETC module learning procedure
- Perform ETC module learning after replacing the ETC module.
(Refer to Electronic Throttle Control System - "ADJUSTMENT ")
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.