Foxwell NT630 scanner is professional in ABS and airbag faults diagnosis. This blog is written to show the ABS diagnosis process for Ford Falcon BA V8.
Vehicle model: Ford Falcon BA V8
Device used: FoxWell NT630 AutoMaster Pro ABS Airbag Reset Tool
Issues: ABS warning light illuminated
ABS brakes not operating
Because of the safety of functional and safe brake operation, the ABS Module (and the SRS Module) does a self test by supplying voltages to each pin and measuring the voltage (the short version) on its corresponding return pin. In an instance when the voltage is not within its specified parameters -IE. Too High, Too Low, Missing, The ABS module then determines the relevant fault and deactivates the ABS system and illuminated the ABS warning light, which happens during each key cycle. This is why the light illuminates when the key turns on.
1 navigate to the diagnostic menu of BA ford falcon, and obtain the fault code “C1155 LHF Wheel Speed Sensor”
2 turn the ignition on. After the self test of ABS module, reset the fault code.
3 graph the left and right front wheel sensors from the live data menu with NT630.(The output of the LHF wheel speed sensor was flat line at the time of driving.
4 find the sensor is in fact open circuited after get access to the wheel speed sensor and a quick resistance.