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.
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HOMESERVICE MANUALSTOYOTA2004CELICA GT, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 160 (ANTI-THEFT SYSTEM)PROGRAMMINGANTI-THEFT SYSTEMTESTING SYSTEM
2004 Toyota Celica GT, Standard
Testing System
2004 Toyota Celica GT, StandardSECTION Testing System
WARNING: This page is about a different car, the 2003 Lexus RX 300 and 2002 Lexus RX 300. However, it is still accessible from the selected car via links, so may be relevant.
- Open all the windows.
- Set the system as described above. The front doors should be locked with the ignition key or wireless remote control. Be sure to wait until the indicator light starts flashing.
- Unlock one of the doors from the inside. The system should activate the alarm.
- Unlock any of the doors with a key or the wireless remote control to cancel the system.
- Repeat this operation for the other doors and hood. When testing hood, also check that the system is activated when the battery terminal is disconnected and then reconnected.
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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.