All ABS systems run self-diagnostic tests when the vehicle is driven to check for faults. If a fault is detected, it will usually set a code and turn on the ABS warning light to alert the driver. On most applications, the code and warning light will also temporarily disable the ABS system (and traction control and/or stability control systems
4. Low Tire Pressure. Appears with the low tire pressure light. Extremely low tire pressure can cause your Rav4’s ABS light to come on. When the tire pressure gets low, it effectively reduces the diameter of the wheel and tire combination. Inflating the tires can get you back on the road. 5. Chevy Malibu – (Dana J Lewis / Shutterstock) The only major symptom of bad wheel speed sensor in Chevy Malibu is the ABS warning light comes on in the instrument cluster, and the anti-lock braking system is disabled. When the ABS light / comes on in your Malibu, the anti-lock braking system is disabled. The vehicle can still be braked without 321 posts · Joined 2014. #2 · May 19, 2014. Reservoir cap ON. Engine OFF. You want the cap on to help keep crud and water out of the fluid, and sometimes the fluid will splash out during bleeding. You want the engine off, because when the engine is running, the brake booster dramatically increases brake like pressure to dangerous levels.Figure 2. ABS fuse. If the ABS light is still on, move to Step 3. Step 3 - Check the ABS sensors. The sensors are located on the back of the drums on the rear brakes. If you have rear disc brakes, they are on the steering knuckle. Figure 3.The red arrow points to the ABS sensor location. Use a Torx E8 socket to remove the sensor mounting bolt.