|  |  | Results of the tests | 
| 1 | DIAGNOSTIC CIRCUIT CHECK | All OK | Problems met | Operation | 
|---|
|  | Check
that the supply for the diagnostic socket is correct  See   E8010  DIAGNOSTIC MULTIPLE CONNECTOR .Also check the continuity of the K line | Continue to Step 2 | No diagnostic socket supply | Renew the wiring, if necessary,
replace the Body Computer   Op. 5505A32 | 
| K line continuity problems | Renew the wiring, if necessary, replace the faulty components | 
| 2 | ABS CONTROL UNIT POWER SUPPLY CHECK | All OK | Problems met | 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
has not burnt out | Continue to Step 3 | No control unit supply | Renew the wiring, if necesasry,
replace the ABS electro-hydraulic control unit   Op.   3340A12 | 
| Fuses blown | Search for the cause of the fuse blowing and eliminate
it, then renew the wiring | 
| 3 | CHECK ON CORRECT OPERATION | All OK | Problems met | Operation | 
|---|
|  | Connect
the diagnostic equipment and check whether it is possible to enter
in fault diagnosis at the ABS control unit | End of diagnosis | . |  |