Identifying fault codes Lexus IS 1999 - 2005 | Haynes Manuals

Identifying fault codes Lexus IS 1999 - 2005 | Haynes Manuals

Regular checks /

October 2025

1 minute read

Time

10 minutes

Difficulty

Find your vehicle

- step 1

If a fault occurs, some of the vehicle's systems will generate and store a fault code

- step 2

The diagnostic socket is located under the drivers side of the facia

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