| | Test results |
| 1 | MODE PARAMETERS CHECK | All OK | Problems encountered | Operation |
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| Select the following control unit at the diagnostic equipment: Marelli Diesel Injection 6F3 EOBD CAN (EP engine 1.3 JTD).Check the value of the following parameters:- Battery voltage See Test 5530BB BATTERY VOLTAGE CHECK- Clutch pedal See Test 1060GL CHECK OPERATION OF MAIN ENGINE CONTROL UNIT RELAY- Brake pedal status See Test 5550DA BRAKE PEDAL SWITCH OPERATION CHECK- Accelerator position 1 AD/C- Accelerator 2 position AD/C See Test 1068AC ACCELERATOR PEDAL CHECKS | Move on to Step 2 | | |
| 2 | CONFIGURATION TESTS | All OK | Problems encountered | Operation |
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| Select the following control unit at the diagnostic equipment: Marelli Diesel Injection 6F3 EOBD CAN (EP engine 1.3 JTD).Check in the Configurations section whether the replacement of any of the following components is followed by their subsequent configuration:- injectorIn this case, carry out the configuration, checking that the outcome is positive | Move on to Step 5 | The outcome of the configuration is not positive | Move on to Step 3 |
| 3 | ERROR CHECK | All OK | Problems encountered | Operation |
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| Check whether any of the following errors are present using the diagnostic equipment:- P1301- U0001- U0426- U1700 | Move on to Step 5 | 1. Error P1301 is present2. Error U0001 is present3. Error U0426 is present4. Error U1700 is present | 1. Move on to Step 42. Continue as indicated See table U0001 CAN line error3. Memorise the CODE. If it is not possible, replace the engine control unit Op. 1060G80 DIESEL ELECTRONIC INJECTION CONTROL UNIT - R.R 4. Continue as indicated See table U1700 CAN network (NCM - NBC) |
| 4 | IMA CLASSIFICATION | All OK | Problems encountered | Operation |
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| In the Configurations section on the diagnostic tester, rerun the IMA classification and ensure it is successful | End of diagnosis | The classification is unsuccessful | Replace the engine management control unit Op. 1060G80 DIESEL ELECTRONIC INJECTION CONTROL UNIT - R.R |
| 5 | POWER SUPPLY CIRCUIT CHECK | All OK | Problems encountered | Operation |
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| Check the condition of the fuel supply circuit and make sure that it is working properly See Test 1040OA FUEL SUPPLY CIRCUIT CHECKCheck the fastening of the battery earth terminal | Move on to Step 6 | Battery earth terminal insecure | Restore the correct earth lead fastening See E1020 EARTHS |
| 6 | MODE PARAMETERS CHECK | All OK | Problems encountered | Operation |
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| Select the following control unit at the diagnostic equipment: Marelli Diesel Injection 6F3 EOBD CAN (EP engine 1.3 JTD).Check the value of the following parameters:- Measured Diesel pressure See Test 1060GH DIESEL PRESSURE CHECK- Pressure regulator opening (MPROP) See Test 1060GR CHECK OPERATION OF FUEL PRESSURE SENSOR ON RAIL- Coolant temperature See Test 1060OE ENGINE COOLANT TEMPERATURE SENSOR OPERATION CHECK | Move on to Step 7 | | |
| 7 | INTAKE CIRCUIT CHECK | All OK | Problems encountered | Operation |
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| Check that the air intake/vacuum circuit is working properly | Move on to Step 8 | | |
| 8 | MODE PARAMETERS CHECK | All OK | Problems encountered | Operation |
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| Select the following control unit at the diagnostic equipment: Marelli Diesel Injection 6F3 EOBD CAN (EP engine 1.3 JTD).Check the value of the following parameters:- Engine rpm See Test 1060GI CHECK ENGINE SPEED | End of diagnosis | | |