| | Results of the tests |
| 0 | PRELIMINARY CHECKS | All OK | Problems met | Operation |
|---|
| Visually
inspect the power assisted steering fluid level in the reservoirCarry out a test by steering on full lock and then releasing
the steering wheel | Continue to Step 1 | Level too low | Restore the correct level.
if there are leaks, See table X30 |
| The noise is a knocking / banging | Continue to Step 1 |
| The noise is a hissing in three positions of the steering
wheel (about 120° apart) | No intervention of any sort is necessary: the noise is
due to the normal operation of the system |
| 1 | STEERING COLUMN BEARINGS CHECK | All OK | Problems met | Operation |
|---|
| Check
that there is not too much play in the steering column; check the
condition and the efficiency of the steering column support bearings | Continue to Step 2 | Bearings worn or damaged | Replace the bearings involved Op. 4110A31 |
| 2 | CHECKING CORRECT OPERATION | All OK | Problems met | Operation |
|---|
| Check
that the fault is no longer present | End of diagnosis | Fault persists | Search for the
fault starting from another symptom' |