Understanding ABS Module Logic
ABS is the foundation of the ESC system. The ABS modulator also performs electronic brake distribution (EBD).
Toyota Tech Tip: ABS Noise, Warning Lamps And Code C1431
Some 2012–‘13 model year Camry vehicles may exhibit a condition where ABS brake actuator pump motor noise is heard from the engine compartment with Brake ABS and/or TRAC warning lamp(s) illuminated and DTC C1431 stored.
VIDEO: ABS Pressure Transducer Diagnosis
Jason Stahl discusses the function of pressure transducers, and how its failure can affect the ABS system, including the HCU.
VIDEO: Brake Bleeding And The ABS HCU
Andrew Markel offers a quick tip when replacing brake pads, involving bleeding the brake fluid and pushing the piston in order to avoid damage to the ABS HCU.
Troubleshooting ABS Modulator Mechanical Problems
Mechanical issues with the ABS modulator, or hydraulic control units (HCU), are rare, but they can happen. With more and more vehicles on the roads with older ABS systems that have not seen proper brake fluid maintenance, mechanical issues are becoming more common.
ABS Tech Tip 3
Peter Orlando with the third of his ABS Tech Tip clips, this time with a hydraulic tip that you can use on any brake system. Peter gives us the breakdown on some tips for monitoring and controlling contaminate issues during a brake system service that can cause problems with the ABS system.
ABS Tech Tip 2
In this clip instructor Peter Orlando gives us some hands on instruction on resistance testing ABS solenoid assemblies. Peter gives several in depth tips tricks and gotchas related to resistance testing the isolation valves and working with the component schematics to perform the pin out testing
ABS Tech Tip 1
In this tech tip clip, Instructor Peter Orlando gives you a helpful tip concerning your new ABS wheel speed sensor. He explains to you how to use your voltmeter and a screwdriver to test if the new part is bad or good BEFORE you even put it in the car.
