Connect the Examiner diagnostic instrument and check CAN information for the absence of:

- Inactive node/s

- Node/s with error/s

- Node/s with CAN error/s

1. Impossible to communicate with the Body Computer

2. Instrument Panel Node inactive and/or with error

3. Engine Control Node inactive and/or incorrect

4. Fault on CAN network

1. Move on to Step 2

2. Move on to Step 5

3. Move on to Step 9

4. Move on to Step 13

1. Impossible to connect to the Body Computer control unit.

2. Presence of errors

1. Move on to Step 3

2. Continue as described by the diagnostic equipment

1. Fault in positive electrical supply and/or earth

2. Electrical connections not operational

1. Replace defective component (in the case of a fuse, find out what caused it to blow).

2. Restore the damaged wiring to correct operation.

Replace Body Computer

Op. 5505A32 BODY COMPUTER - R.R

1. System fault

2. Fault on CAN network

3. Presence of errors

1. Move on to Step 6

2. Move on to Step 13

3. Continue as described by the diagnostic equipment

1. Fault in positive electrical supply and/or earth

2. Electrical connections not operational

1. Replace defective component (in the case of a fuse, find out what caused it to blow).

2. Restore the damaged wiring to correct operation.

Replace the Instrument Panel

Op. 5560B10 CONTROL PANEL - R+R

Replace the Instrument Panel

Op. 5560B10 CONTROL PANEL - R+R

Keeping the diagnostic instrument connected, check the Engine Management Node for the absence of:

- System/component faults

- Faults in the CAN network/s

1. System/components faulty

2. Fault on CAN network

3. Presence of errors

1. Move on to Step 10

2. Move on to Step 13

3. Continue following the instructions for the diagnostic equipment

1. Fault in positive electrical supply and/or earth

2. Electrical connections not operational

1. Replace defective component (in the case of a fuse, find out what caused it to blow).

2. Restore the damaged wiring to correct operation.

For the 1.2 8v, 1.4 8v;

Using an Examiner check, in Engine Management Node mode, that there are no errors and that the parameters are present.

Replace the Engine Management Control Unit

Op. 1056B82 INJECTION/IGNITION SYSTEM E.C.U. (ONE) - R + R

For the 1.3 JTD 16v 75 CV, 1.3 JTD 16v 90 CV, 1.9 JTD 8v;

Using an Examiner check, in Engine Management Node mode, that there are no errors and that the parameters are present.

Replace the Engine Management Control Unit

Op. 1060G80 DIESEL ELECTRONIC INJECTION CONTROL UNIT - .R

For the 1.2 8v, 1.4 8v;

With the Examiner in Engine Control Node mode, check that the vehicle protection warning light is correctly activated in Active Diagnosis.

Replace the Engine Management Control Unit

Op. 1056B82 INJECTION/IGNITION SYSTEM E.C.U. (ONE) - R + R

For the 1.3 JTD 16v 75 CV, 1.3 JTD 16v 90 CV, 1.9 JTD 8v;

With the Examiner in Engine Control Node mode, check that the vehicle protection warning light is correctly activated in Active Diagnosis.

Replace the Engine Management Control Unit

Op. 1060G80 DIESEL ELECTRONIC INJECTION CONTROL UNIT - .R

1. Fault in positive electrical supply and/or earth

2. Electrical connections not operational

1. Replace defective component (in the case of a fuse, find out what caused it to blow).

2. Restore the damaged wiring to correct operation.