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.
Circuit Description
When the anti-theft system is activated, it causes the transistor in the ECU to switch ON and OFF at approximately 0.4 second intervals. This switches the headlight control relay ON and OFF, thus flashing the headlights. In this condition, if any of the following operations is done, the transistor in the ECU goes OFF and the headlight control relay switches OFF, thus stopping the headlights flashing:
- Unlock the front LH or RH door with a key.
- Turn the ignition switch to the ON position.
- Unlock the doors with the wireless door lock control system.
- Wait for approximately 60 seconds.
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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.