H02 Drift when braking (page 2 of 2)
- Make
- Fiat
- Model
- Seicento Factory Service Manual
- Year
- 1998–2010
- Section
- Steering
DiagnosisH02 Drift when braking · page 2 of 2
| Step | Validity | Operation to be performed | Test results | ||
|---|---|---|---|---|---|
| All OK | Problems found | Intervention | |||
| 4 | CHECK BRAKE CALIPER/ CONTROL PISTONS | Go to Step 5 (vehicles with ABS) Go to Step 7 (vehicles without ABS) |
Pistons/cylinders worn or seized | Replace brake caliper PROCEDURE OP. 3310A32 (front) or rear brake cylinder PROCEDURE OP. 3320B22 (rear) | |
| – Check brake control piston intactness | |||||
| – Check caliper cylinder intactness | |||||
| 5 | CHECK WITH DIAGNOSTIC TOOL | Go to Step 6 | No dialogue with the ECU | Restore: – connection between ABS ECU and diagnostic socket – ABS ECU power supply (Wiring diagram: E7020 "ABS") |
|
| Connect the diagnostic tool (Examiner or other tool) to the diagnostic socket. – Check if there are errors in the ABS ECU – plausibility of all parameters |
Error detected in the ECU | Continue as shown by the diagnostic tool | |||
| All OK | |||||
| 6 | ACTIVE TEST WITH DIAGNOSTIC TOOL | Go to Step 7 | Fault found in pump or in a solenoid valve | Replace the electric-hydraulic unit and ECU PROCEDURE OP. 3340A10 | |
| Perform the following active test with the diagnostic tool (Examiner or other tool): – pump motor – solenoid valves |
|||||
| All OK | |||||
| 7 | CHECK CORRECT OPERATION | End of test | – | – | |
| Check the fault is not longer present | |||||
Parts & tools for this job For 1998 Fiat Seicento
- TOOLTie rod end toolSearch: tie rod end puller
- TOOLBall joint separatorSearch: ball joint separator
- FLUIDPower steering fluidSearch: Fiat power steering fluid
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