| 1 | CHECK ON SENSOR FOR PRESENCE OF WATER IN DIESEL FILTER | ALL OK | PROBLEMS ENCOUNTERED | ACTION |
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| Check for presence of water in diesel filterCheck that the sensor supply is correctCheck the operation of the sensor | Move on to Step 2 | 1. Water in the filter | 1. Replace the filter and refill with diesel that conforms to the specifications |
| 2. Supply not correct | 2. Restore correct power supply |
| 3. Sensor defective | 3. Replace the filter mounting and sensor Op. 1060G30 WATER PRESENCE SENSOR IN FUEL FILTER - R.R. |
| 2 | CHECKS USING DIAGNOSTIC EQUIPMENT | ALL OK | PROBLEMS ENCOUNTERED | ACTION |
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| Connect the Examiner diagnostic instrument and check CAN Network information for the absence of:- Inactive node/s
- Node/s with error/s
- Node/s with CAN network error/s
| Move on to Step 6 | 1.Impossible to communicate with the Body Computer | 1. Move on to Step 4 |
| 2.Instrument Panel Node inactive and/or with error | 2. Move on to Step 7 |
| 3. Engine Control Node inactive and/or with error | 3.Move on step 11 |
| 4. Fault in CAN network | 4.Continue as instructed by the diagnostic equipment |
| 3 | CHECK USING DIAGNOSTIC EQUIPMENT | ALL OK | PROBLEMS ENCOUNTERED | ACTION |
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| Use an Examiner to asses the possibility of connection to the Body Computer Node, the lack of errors and the presence of parameters. | Move on to Step 3 | 1. Impossible to connect to the Body Computer control unit. | 1. Move on to Step 4 |
| 2. Presence of errors | 2. Continue as described by the diagnostic equipment |
| 4 | ELECTRICAL POWER SUPPLY CHECK | ALL OK | PROBLEMS ENCOUNTERED | ACTION |
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| Check that the power supply to the Body Compute Node and the wiring between the nodes are correct . Check in particular that each individual pin is correctly connected. | Move on to Step 4 | 1. Fault in positive electrical supply and/or earth | 1. Replace defective component (in the case of a fuse, find out what caused it to blow). |
| 2. Electrical connections not operational | 2. Restore the damaged wiring to correct operation. |
| 5 | CHECK USING DIAGNOSTIC EQUIPMENT | ALL OK | PROBLEMS ENCOUNTERED | ACTION |
|---|
| Use an Examiner to check the possibility of connection to the Body Computer Node | Move on to Step 2 | Impossible to connect to the Body Computer. | Replace Body Computer Op. 5505A35 MAIN BODY COMPUTER/JUNCTION UNIT - R.R. |
| 6 | CHECK USING DIAGNOSTIC EQUIPMENT | ALL OK | PROBLEMS ENCOUNTERED | ACTION |
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| Using an Examiner check, in Instrument Panel mode, that there are no errors and that the parameters are present. | Move on to Step 8 | 1. System fault | 1. Move on to Step 7 |
| 2. Fault on CAN network | 2. Move on to Step 14 |
| 3. Presence of errors | . Continue as described by the diagnostic equipment |
| 7 | ELECTRICAL POWER SUPPLY CHECK | ALL OK | PROBLEMS ENCOUNTERED | ACTION |
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| Check the electricity supply to the node is correct.Check the wiring between the Body Computer and the Instrument Panel. In particular, check that each individual pin is properly connected. | Move on to Step 7 | 1. Fault in positive electrical supply and/or earth | 1. Replace defective component (in the case of a fuse, find out what caused it to blow). |
| 2. Electrical connections not operational | 2. Restore the damaged wiring to correct operation. |
| 8 | CHECK USING DIAGNOSTIC EQUIPMENT | ALL OK | PROBLEMS ENCOUNTERED | ACTION |
|---|
| Using an Examiner check, in Instrument Panel mode, that there are no errors and that the parameters are present. | Move on to Step 8 | Fault persists. | Replace the Instrument Panel Op. 5560B10 CONTROL PANEL - R+R |
| 9 | ACTIVE DIAGNOSIS CHECK | ALL OK | PROBLEMS ENCOUNTERED | ACTION |
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| With the Examiner in Instrument Panel Node mode, check that the warning light in question is correctly activated in Active Diagnosis. | Move on to Step 9 | The warning light in question does not flash | Replace the Instrument Panel Op. 5560B10 CONTROL PANEL - R+R |
| 10 | CHECK USING DIAGNOSTIC EQUIPMENT | ALL OK | PROBLEMS ENCOUNTERED | ACTION |
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| Keeping the diagnostic instrument connected, check the Engine Control Node for the absence of:- System/component faults
- Faults in the CAN network/s
| Move on to Step 11 | 1.System/components faulty | 1.Continue to step 11 |
| 2. Fault in CAN network | 2.Move on to Step 13 |
| 3.Presence of errors | 3.Continue following the instructions for the diagnostic equipment |
| 11 | ELECTRICAL POWER SUPPLY CHECK | ALL OK | PROBLEMS ENCOUNTERED | ACTION |
|---|
| Check the electricity supply to the node is correct.Check the wiring between the Body Computer and the NCM. In particular, check that each individual pin is properly connected | Move on to Step 12 | 1. Fault in positive electrical supply and/or earth | 1. Replace defective component (in the case of a fuse, find out what caused it to blow). |
| 2. Electrical connections not operational | 2. Restore the damaged wiring to correct operation. |
| 12 | CHECK USING DIAGNOSTIC EQUIPMENT | ALL OK | PROBLEMS ENCOUNTERED | ACTION |
|---|
| Using an Examiner check, in Engine Control Node mode, that there are no errors and that the parameters are present. | Move on to Step 13 | Fault persists | Replace the Engine Management Control Unit Op. 1060G80 DIESEL ELECTRONIC INJECTION CONTROL UNIT - .R |
| 13 | ACTIVE DIAGNOSIS CHECK | ALL OK | PROBLEMS ENCOUNTERED | ACTION |
|---|
| With the Examiner in Engine Control Node mode, check that the water presence warning light is correctly activated in Active Diagnosis. | Move on to Step 14 | The warning light does not flash | Replace the Engine Management Control Unit Op. 1060G80 DIESEL ELECTRONIC INJECTION CONTROL UNIT - .R |
| 14 | ELECTRICAL POWER SUPPLY CHECK | ALL OK | PROBLEMS ENCOUNTERED | ACTION |
|---|
| Check the node power supply/electrical connections are correct. Check the (network) wiring between Engine Control, Body Computer and Instrument Panel. Check, in particular, that each individual pin is correctly connected to each node. | Move on to Step 15 | 1. Fault in positive electrical supply and/or earth | 1. Replace defective component (in the case of a fuse, find out what caused it to blow). |
| 2. Electrical connections not operational | 2. Restore the damaged wiring to correct operation. |
| 15 | CHECK ON CORRECT OPERATION | ALL OK | PROBLEMS ENCOUNTERED | ACTION |
|---|
| Check that the fault is no longer present | End of diagnosis | | |
