Abs working irregularly
- Make
- Fiat
- Model
- Stilo Factory Service Manual
- Year
- 2001–2007
- Section
- Braking system › Abs working irregularly
Fault diagnosisAbs working irregularly
ABS WORKING IRREGULARLY
The ABS warning light does not come on and system is observed to work irregularly.
| Results of the tests | ||||
| 1 | CHECKING WITH DIAGNOSTIC EQUIPMENT | All OK | Problems met | Operation |
|---|---|---|---|---|
Check an Examiner to the tester input and check the Brake Node in error mode to ensure:
In parameter mode:
In active diagnosis mode:
| Continue to Step 2 | Presence of faults | Continue according to the instructions for the diagnostic equipment | |
| The warning light does not come on | Change brake system control unit Op. 3340A20 | |||
| 2 | CHECKING BRAKE HYDRAULIC SYSTEM | All OK | Problems met | Operation |
| Disconnect the ABS electrical connection and test the efficiency of the braking system with the aid of a service rig. | Continue to Step 3 | Braking action not balanced | Overhaul the braking system | |
| 3 | CHECKING CORRECT OPERATION | All OK | Problems met | Operation |
Check that the fault is no longer present The test is essential, as the braking system involves a safety feature of the car | Fault persists | Replace the brake system hydraulic unit Op. 3340A12 Search for the fault starting from another symptom' | ||
Parts & tools for this job For 2001 Fiat Stilo
- TOOLOBD2 scanner with ABSSearch: OBD2 scanner ABS SRS
- TOOLDigital multimeterSearch: automotive digital multimeter
Links open Amazon search results in a new tab. As an Amazon Associate I earn from qualifying purchases.