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.
Section 582 (Engine Immobilizer System): Inspection
- INSPECTION TRANSPONDER KEY COIL CONTINUITY
Check that there is continuity between terminal 1 and 2. If continuity is not as specified, replace the coil.
- INSPECT TRANSPONDER KEY ECU CIRCUIT
Connect the wire harness side connector to the ECU and inspect wire harness side connector from the back side, as shown in the table.
SPECIFIED CONDITIONCondition Tester Connection Specified Condition Constant 6 - 12 Battery Voltage If circuit is as specified, try replacing the ECU with a new one.
If the circuit is not as specified, inspect the circuit connected to other parts.
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.