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 the immobilizer must be performed procedure below.
[In The Case Of Installing Used ECM]
- Perform
"ECM Neutral mode" procedure with GDS.
(Refer to Body Electrical System - "IMMOBILIZER SYSTEM ")
- After finishing "ECM Neutral mode", perform
"Key Teaching" procedure with GDS.
(Refer to Body Electrical System - "IMMOBILIZER SYSTEM ")
[In The Case Of Installing New ECM]
- Perform
"Key teaching" procedure with GDS.
(Refer to Body Electrical System - "IMMOBILIZER SYSTEM ")
- Turn Ignition Switch OFF and disconnect the Negative (-) Battery Cable.
- Remove the Battery.
(Refer to Charging System - "BATTERY ")
- Disconnect the ECM connector (A).
- Remove the Bracket Installation Bolts (A).
- Remove the installation nuts (A), and then remove the ECM (B) 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.
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