ABS Flashcards
Air tanks must be sized by
12x break application or 12x the number of break pot capacity
Normal breaking what states are the supply and exhaust solenoids in
supply inactive, exhaust inactive
Normal breaking, what state are the supply and exhaust diaphragms in
supply unseated, exhaust seated
Exhausting, what state are supply and exhaust solenoids in
Both Active
Exhausting, what state are supply and exhaust diaphragms in
supply seated, exhaust unseated
Holding, what state are supply and exhaust solenoids in
supply active, exhaust inactive
Holding, what state are supply and exhaust diaphragms in
both seated
Moving to the green jacket trailer cord (power cord), what size did the wires increase to and why?
8 gauge ground (white)
10 gauge stop lamp (red) and auxiliary (aka ecu power, blue)
12 gauge lamp system (black, yelow, green, brown)
Doing this reduced voltage drop
What is thresh hold breaking ?
Extract as much brake pressure as possible for the amount of friction coefficient
How do you fully depressurize a hydraulic ABS system?
By pumping brake pedal 30 or more times with ignition switch in off position
