| | Results of the tests |
| 1 | CAN CHECK | All OK | Problems encountered | Operation |
|---|
| Check that the impedance for the CAN line is correct by carrying out Test 5505OA; See Test 5505 INSTRUMENT/GUAGE ELECTRICAL WIRING | Move on to Step 2 | Resistance for defective ABS control unit does not conform | Replace ABS control unit Op. 3340A12 ABS HYDRAULIC AND ELECTRONIC CONTROL UNIT |
| CAN connections resistance faulty | Restore correct connection and move on to Step 2 |
| 2 | CAN WIRING CHECK | All OK | Problems encountered | Operation |
|---|
| Check the wiring for the CAN and the connectors for the network control units | Move on to Step 3 | Open circuit in CAN circuit | Restore the correct connections |
| Network connectors faulty | Restore the correct connections |
| 3 | CHECK ON CORRECT OPERATION | All OK | Problems encountered | Operation |
|---|
| Delete the errors using the diagnostic equipment.Carry out the road test See Test See Test 3340OA A.B.S. SYSTEM ACTUATION CHECKto ensure that the control unit checks whether there are any errors still present.Return to the workshop and check that the fault is no longer present using the diagnostic equipment | End of diagnosis | The fault persists | Move on to Step 1 |
