I'm sorry to hear about the troubles you're facing with your 1990 Chrysler Imperial's ABS system. Although diagnosing the issue without an ABS scanner can be challenging, there are a few steps you can take to try and narrow down the problem:
Check the ABS fuse: Locate the fuse box in your vehicle and check the ABS fuse. If the fuse is blown, it could be causing the ABS pump to run continuously. Replace the fuse if necessary, but keep in mind that a blown fuse may indicate an underlying issue that needs to be addressed.
Inspect the ABS relay: The ABS relay controls the operation of the ABS pump. Locate the relay in the fuse box and ensure it is securely seated. If it appears damaged or faulty, consider replacing it.
Check the ABS sensor connections: Ensure that the ABS sensor connectors are properly connected and free from corrosion or damage. Check the wiring leading from the ABS sensors to the main ABS control module for any signs of damage or loose connections.
ABS control module: The ABS control module could be malfunctioning and causing the ABS pump to run continuously. Unfortunately, without an ABS scanner, it's difficult to verify if the module is the problem. However, if you suspect a faulty control module, you may consider replacing it. Keep in mind that this is a more expensive component and should be considered after ruling out other potential causes.
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Thursday, November 18th, 2010 AT 4:46 AM