| | Results of the tests |
| 1 | BODY COMPUTER POWER SUPPLY CHECK | All OK | Problems met | Operation |
|---|
| Check
that the Body Computer is supplied correctly See E1010 SUPPLY | Continue to Step 2 | No Body Computer power supply | Restore the correct connections,
if necessary, replace the Body Computer Op. 5505A32 |
| 2 | ELECTRICAL CONNECTIONS CHECK | All OK | Problems met | Operation |
|---|
| Check
that the connection between the Body Computer and the ABS control
unit is correct See E7020 ABS .In particular, check that there is a resistance at the CAN of
60 Ohm at the brake control unit terminals with the connector fitted
or 120 Ohm with the connector disconnected | Continue to Step 3 | CAN electrical connections faulty | Restore the correct connectionContinue
to Step 4 |
| 3 | ABS CONTROL UNIT REPLACEMENT | All OK | Problems met | Operation |
|---|
| Replace
the ABS electronic control unit Op. 3340A12 , except if there
are communication errors with other CAN control units (e.g. C1521). In
this case, continue following the appropriate fault diagnosis | Continue to Step 4 | . | |
| 4 | CHECK ON CORRECT OPERATION | All OK | Problems met | Operation |
|---|
| Delete
the errors using the diagnostic equipment.Carry out road See Test 3340A ABS intervention check to
make the control unit check whether there are still errors present.Return to the workshop and check that the fault is no longer
present using the diagnostic equipment. | End of diagnosis | The fault persists | Continue to Step 3 |
