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.
ARW-7 Abs Control Unit Check
Connect ABS test connector Green/Black and Black terminals with jumper wire. Start engine. Verify that ABS warning light remains on. Drive vehicle at 9 MPH (15 km/h). Check that ABS warning light flashes .25 second on and off. If light flashes .25 second on and off, check brake lines to rear wheels. If brake lines are okay, replace hydraulic unit. If light does not flash .25 second on and off, replace ABS control unit.
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.
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