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.
Repair Procedures: Removal
- When replacing the ECM, the vehicle equipped with immobilizer must be performed the procedure as below.
[In the case of installing used ECM]
- Perform
"Neutral mode" procedure with GDS. Refer to NEUTRALIZING OF ECM
(Refer to Body Electrical System - "IMMOBILIZER SYSTEM ")
- Insert the key and turn it to the IGN ON and OFF position. Then the ECM key register process is completed automatically.
[In the case of installing new ECM]
- Insert the key and turn it to the IGN ON and OFF position.
Then the ECM key register process is completed automatically.
- Turn ignition switch OFF and disconnect the negative (-) battery cable.
- Remove the air cleaner assembly.
(Refer to Engine Mechanical System - "AIR CLEANER ")
- Disconnect the ECM Connector (A).
- Remove the mounting bolt (A) and nuts (B), and then remove the ECM (C).
- Remove the ECM (B) after removing 4 nuts (A) from the bracket.
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.