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.
2002 Lexus IS 300 Base, AutomaticFACTORY OEM SERVICE PROCEDURE
With Hand-Held Tester
- Connect hand-held tester to (DLC3). See Figure.
- Start engine and check that ABS warning light flashes. If ABS warning light does not flash, inspect the ABS warning light circuit. See TEST B: ABS WARNING LIGHT CIRCUIT under SYMPTOM TESTING.
- Drive vehicle straight forward at speed of 28 mph or more for several seconds.
- Stop vehicle. Read DTC by following prompts on the tester screen. Refer to the hand-held tester operator's manual for further details. If any DTCs are retrieved, perform appropriate test. See DIAGNOSTIC TROUBLE CODE DEFINITIONS .
Factory Service Tools
Use the Manual With the Right Hardware
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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.