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.
1997 Lexus LS 400FACTORY OEM SERVICE PROCEDURE
Anti-Theft System DTCS
ANTI-THEFT SYSTEM DTCS
| OEM Code | Description |
|---|---|
| 11 | Ignition Key Inserted |
| 12 | Door Courtesy Switch ON |
| 13 | Ignition ON |
| 21 | Master Key Inserted (System OFF) |
| 22 | Sub Key Inserted (System OFF) |
| 31 | Key Code In Computer Different Than Code in Key |
| 32 | Key Code Cannot Be Read |
| 33 | Key Code Cannot Be Read (Key Chip Format Wrong) |
| 34 | Computer Has No Memory Space For Key Code |
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.
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.
Rather have a pro handle this?
A certified mobile mechanic comes to your home or office. They bring the tools, you stay comfortable. No tow truck, no waiting room, no surprises.
Comes to youSame-day available12-month warranty
Get a Free QuoteNo obligation. See pricing before you book.