| | Results of the tests |
| 0 | PRELIMINARY CHECKS | All OK | Problems met | Operation |
|---|
| Check
that the brake pedal is not too soft | Continue to Step 1 | Brake pedal too soft | Continue according to the
instructions in See table F10 EXCESSIVE BRAKE PEDAL FREE PLAY |
| 1 | CHECK FOR OIL LEAKS | All OK | Problems met | Operation |
|---|
| Check that there are no fluid leaks
from: - calipers;
- wheel cylinders;
- master cylinder
| Continue to Step 2 | Fluid leak from a caliper | Replace the faulty caliper
( Op. 3310A30 ) |
| Fluid leak from a wheel cylinder | Replace the faulty wheel cylinder ( Op. 3320B20 ) |
| 2 | CHECK ON BRAKE WEAR | All OK | Problems met | Operation |
|---|
| Check
the brakes for wear | Continue to Step 3 | Brakes very worn | Overhaul the brakes |
| 3 | CHECK ON WHEEL GEOMETRY | All OK | Problems met | Operation |
|---|
| Check
the geometry and track of the wheel axle | Continue to Step 4 | Wheel geometry incorrect | Restore the correct wheel
geometry ( Op. 4450A10 ) |
| Wheel geometry incorrect | Restore the correct wheel geometry ( Op. 4450A40 ) |
| Wheel geometry incorrect | Restore the correct wheel geometry ( Op. 4450A90 ) |
| 4 | CHECK LOCKING OF REAR WHEELS | All OK | Problems met | Operation |
|---|
| Carry
out a braking action and check that the rear wheels do not lock | Continue to Step 5 | The rear wheel lock | Adjust ( Op. 3330C62) |
| The rear wheel lock | If necessary replace the brake self-adjuster ( Op. 3330C60) |
| 5 | CHECKING WITH DIAGNOSTIC EQUIPMENT | All OK | Problems met | Operation |
|---|
| Connect
the diagnostic equipment (Examiner or other instruments) to the
diagnostic socketCheck that there are no faults in the ABS control unit | Continue to Step 6 | Lack of dialogue with
the control unit | Continue according to the instructions for the diagnostic
equipment |
| Lack of dialogue with the control unit | Restore the connection between the engine management
control unit and the diagnostic connector ( See E7020 ABS ) |
| 6 | CHECK ON DRIFT | All OK | Problems met | Operation |
|---|
| Disconnect
the ABS hydraulic control unitCheck whether there is drifting during braking at variable speeds | Continue to Step 7 | Vehicle does not drift
during braking | Replace the ABS hydraulic control unit ( Op. 3340A10)Note:
Carry out filling with the diagnostic instrument in active diagnosis |
| 7 | CHECK ON CORRECT OPERATION | All OK | Problems met | Operation |
|---|
| Check
that the fault is no longer present | The test is essential, as the braking system is a safety feature
of the car |
| End of diagnosis | Fault persists | Search for the
fault starting from another symptom' |