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.
2000 Lexus LS 400FACTORY OEM SERVICE PROCEDURE
Abs Solenoid Relay
- Remove ABS solenoid relay from relay block on left side of engine compartment. Using ohmmeter, measure resistance between ABS solenoid relay terminals No. 4 and 6. See Figure. Resistance should be approximately 80 ohms. Check continuity between relay terminals No. 2 and 3. Continuity should exist. Check continuity between relay terminals No. 1 and 3. Continuity should not exist. Replace relay if any preceding tests are not as specified. If relay tests are as specified, go to next step.
- Using jumper wires, connect positive battery voltage to ABS solenoid relay terminal No. 4 and negative battery voltage to terminal No. 6. Check continuity between relay terminals No. 2 and 3. Continuity should not exist. Check continuity between relay terminals No. 1 and 3. Continuity should exist. Replace relay if any preceding tests are not as specified. If relay tests are as specified, go to next step.
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.