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.
Using Indicator Light
2004 Toyota Celica GT, StandardSECTION Using Indicator Light
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.
- Using a diagnosis check wire (SST 09843-18020), connect terminals Tc and E1 of DLC1. See Fig 1.
- Turn the ignition switch ON and read the DTC on the open door indicator light. As an example, the blinking patterns for codes; normal, 12, and 11 and 12 are shown in the illustration. See Fig 2.
- Check for the problem using the DTC table. See DIAGNOSTIC TROUBLE CODE INDEX table.
- After completing the check, turn the ignition switch off, and disconnect terminals Tc and E1.
RENDER: 1.0x
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.