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Re: 1990 Jeep Cherokee ABS
Chances are either the sending unit is malfunctioning or you have an electronic issue in the unit itself a shop with a diagnostic scan tool with abs capability will tell you the cause.please rate this...thanks
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The ABS sensors are located on the back side of each wheel in the area of the brakes. The sensors should not keep the car from running. A warning light should display on the dash, but should not keep the car from running.
Hi Amalia: The ABS warning light comes on when there is a fault in the ABS System. When the light is on the ABS System is not working. A diagnostic scanner computer would be required to pull the trouble code and to diagnose the failed component would need to be repaired or replaced to get the light to go out.
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You may have a faulty sensor, most cases a wheel speed sensor, the light is on warning you that you do not have abs basically your car will stop like an old 70's model car before abs. abs atands for anti lock brakes, it keeps your brakes from locking up under extreme braking.
Switch ,relay resistors or motor is shorted to ground.
Start with the switch and remove each one until it stops . test the item and it will probably be the culprit. Now remember most vehicles while running will have blower motor run at a low speed all the time.
The only time this should not happen is when the ignition is off.
Your ABS systems use a combination of electronic and hydraulic systems to modulate the brakes individuallyto prevent them from locking up. Antilock systems consist of wheel speed sensors, a hydraulic control unit (HCU), and an electronic control unit (ECU). Because of how complex the system is your computer does a self-test. If the check is successful, the ANTILOCK and BRAKE lights will go out within a few seconds. If one of the component of the ABS system fails topass thetest one or both lights will remain lit. One or both warning lights may also come on while driving, also indicating a problem. If just the ANTILOCK warning light comes on, some ABS component has failed, but the car still has hydraulic brakes. You or a technician will have to perform further testing to pinpoint cause and the proper repair. Please let me know if this information is helpful. Positive feedback is appreciated. Thank You!