| | Results of the tests |
| 1 | DIAGNOSTIC CIRCUIT CHECK | All OK | Problems encountered | Operation |
|---|
| Check that the power supply for the diagnostic socket is correct See E8010 CONNETTORE MULTIPLO DI DIAGNOSI .Also check the continuity of the K line (no short circuit to earth or Vbat) | Move on to Step 2 | No diagnostic socket power supply | Restore diagnostic socket power supply |
| Continuity problems at K line | Renew the wiring, if necessary, replace the faulty components |
| EOBD socket power supply fuse broken | Replace the fuse after having identified the cause |
| 2 | ABS CONTROL UNIT POWER SUPPLY CHECK | All OK | Problems encountered | Operation |
|---|
| Check that the power supply for the ABS control unit is correct See E7020 ABS .Check that the fuse in the junction unit under the dashboard is still working properly | Move on to Step 3 | No control unit power supply | Renew the wiring, if necessary, replace the ABS electrohydraulic control unit Op. Op. 3340A12 ABS HYDRAULIC AND ELECTRONIC CONTROL UNIT |
| Fuse blown | Search for and eliminate the problem that caused the fuse to blow, then renew the wiring |
| 3 | CHECK ON CORRECT OPERATION | All OK | Problems encountered | Operation |
|---|
| Connect the diagnostic equipment and check that it is possible to enter into the fault diagnosis for the ABS control unit | End of diagnosis | . | - |