199002974 - 1060FB INJECTOR CIRCUIT OPERATION CHECK
| STEP | CHECK TO BE PERFORMED | RESOLUTION IF THE CHECK IS NOT OK |
|---|---|---|
| 1 | Check whether any of the errors are present using the diagnostic equipment:
| Move on to Step 2 |
| 2 | Turn the ignition key ON.Check that the voltage across Pin 2 (wiring side) of engine control unit connector B See M010 ENGINE MANAGEMENT ECU and earth is greater than 0.3 V. | Repair or if necessary replace the electrical wiring between the engine control unit and injector 2 See E5050 DIESEL ENGINES ELECTRONIC MANAGEMENT |
| 3 | Turn the ignition key OFF.Check that the voltage across Pin 2 (wiring side) of engine control unit connector B See M010 ENGINE MANAGEMENT ECU and earth is greater than 500 kOhm. Continue to Step 7 | Move on to Step 4 |
| 4 | Disconnect the wiring harness connector from injector 2.Check that the voltage across Pin 2 (wiring side) of engine control unit connector B See M010 ENGINE MANAGEMENT ECU and Earth is more than 500 kOhm. | Repair or if necessary replace the electrical wiring between the engine control unit and the injector See E5050 DIESEL ENGINES ELECTRONIC MANAGEMENT |
| 5 | Check that the voltage across Pin 31 (wiring side) of engine control unit connector B See M010 ENGINE MANAGEMENT ECU and Earth is more than 500 kOhm. | Repair or if necessary replace the electrical wiring between the engine control unit and the injector See E5050 DIESEL ENGINES ELECTRONIC MANAGEMENT |
| 6 | Replace the injector. Op. 1060F10 FUEL INJECTORS - R.R. The test can be considered over | |
| 7 | Disconnect the wiring harness connector from injector 2.Check that the resistance across pins 2 and 31 (wiring side) of the control unit See M010 ENGINE MANAGEMENT ECU is greater than 500 kOhms | Repair or if necessary replace the electrical wiring of the engine control unit See E5050 DIESEL ENGINES ELECTRONIC MANAGEMENT |
| 8 | Check that the voltage across Pin 2 (wiring side) of engine control unit connector B See M010 ENGINE MANAGEMENT ECU Pin 1 (wiring side) of injector 2 See N070 INJECTOR is less than 5 Ohms | Repair or if necessary replace the electrical wiring between the engine control unit and the injector See E5050 DIESEL ENGINES ELECTRONIC MANAGEMENT |
| 9 | Check that the voltage across Pin 31 (wiring side) of engine control unit connector B See M010 ENGINE MANAGEMENT ECU Pin 2 (wiring side) of injector 2 See N070 INJECTOR is less than 5 Ohms | Repair or if necessary replace the electrical wiring between the engine control unit and the injector See E5050 DIESEL ENGINES ELECTRONIC MANAGEMENT |
| 10 | Check that the resistance across pins 1 and 2 (wiring side) of injector 2 See N070 INJECTOR is between 0.3 and 0.7 Ohms | Replace the injector Op. 1060F10 FUEL INJECTORS - R.R. |
| 11 | Turn the ignition key ON.Check that the voltage across Pin 1 (wiring side) of engine control unit connector B See M010 ENGINE MANAGEMENT ECU and earth is greater than 0.3 V. | Repair or if necessary replace the electrical wiring between the engine control unit and injector 3 See E5050 DIESEL ENGINES ELECTRONIC MANAGEMENT |
| 12 | Turn the ignition key OFF.Check that the voltage across Pin 1 (wiring side) of engine control unit connector B See M010 ENGINE MANAGEMENT ECU and Earth is more than 500 kOhm.Move on to Step 16 | Move on to Step 13 |
| 13 | Disconnect the wiring harness connector from injector 3.Check that the voltage across Pin 1 (wiring side) of engine control unit connector B See M010 ENGINE MANAGEMENT ECU and Earth is more than 500 kOhm. | Repair or if necessary replace the electrical wiring between the engine control unit and the injector See E5050 DIESEL ENGINES ELECTRONIC MANAGEMENT |
| 14 | Check that the voltage across Pin 46 (wiring side) of engine control unit connector B See M010 ENGINE MANAGEMENT ECU and Earth is more than 500 kOhm. | Repair or if necessary replace the electrical wiring between the engine control unit and the injector See E5050 DIESEL ENGINES ELECTRONIC MANAGEMENT |
| 15 | Replace the injector. Op. 1060F10 FUEL INJECTORS - R.R. The test can be considered over | |
| 16 | Disconnect the wiring harness connector from injector 3.Check that the resistance across pins 1 and 46 (wiring side) of the control unit See M010 ENGINE MANAGEMENT ECU is greater than 500 kOhms | Repair or if necessary replace the electrical wiring of the engine control unit See E5050 DIESEL ENGINES ELECTRONIC MANAGEMENT |
| 17 | Check that the voltage across Pin 1 (wiring side) of engine control unit connector B See M010 ENGINE MANAGEMENT ECU Pin 1 (wiring side) of injector 3 See N070 INJECTOR is less than 5 Ohms | Repair or if necessary replace the electrical wiring between the engine control unit and the injector See E5050 DIESEL ENGINES ELECTRONIC MANAGEMENT |
| 18 | Check that the voltage across Pin 46 (wiring side) of engine control unit connector B See M010 ENGINE MANAGEMENT ECU Pin 2 (wiring side) of injector 3 See N070 INJECTOR is less than 5 Ohms | Repair or if necessary replace the electrical wiring between the engine control unit and the injector See E5050 DIESEL ENGINES ELECTRONIC MANAGEMENT |
| 19 | Check that the resistance across pins 1 and 2 (wiring side) of injector 3 See N070 INJECTOR is between 0.3 and 0.7 Ohms | Replace the injector Op. 1060F10 FUEL INJECTORS - R.R. |
| 20 | Replace the engine management control unit Op. 1060G80 DIESEL ELECTRONIC INJECTION CONTROL UNIT - R.R The test can be considered over | |
| 21 | Turn the ignition key ON.Check that the voltage across Pin 16 (wiring side) of engine control unit connector B See M010 ENGINE MANAGEMENT ECU and the earth is greater than 0.3 V. | Repair or if necessary replace the electrical wiring between the engine control unit and injector 1 See E5050 DIESEL ENGINES ELECTRONIC MANAGEMENT |
| 22 | Turn the ignition key OFF.Check that the voltage across Pin 16 (wiring side) of engine control unit connector B See M010 ENGINE MANAGEMENT ECU and Earth is more than 500 kOhm.Move on to Step 26 | Move on to Step 23 |
| 23 | Disconnect the wiring harness connector from injector 1.Check that the voltage across Pin 16 (wiring side) of engine control unit connector B See M010 ENGINE MANAGEMENT ECU and Earth is more than 500 kOhm. | Repair or if necessary replace the electrical wiring between the engine control unit and the injector See E5050 DIESEL ENGINES ELECTRONIC MANAGEMENT |
| 24 | Check that the voltage across Pin 47 (wiring side) of engine control unit connector B See M010 ENGINE MANAGEMENT ECU and Earth is more than 500 kOhm. | Repair or if necessary replace the electrical wiring between the engine control unit and the injector See E5050 DIESEL ENGINES ELECTRONIC MANAGEMENT |
| 25 | Replace the injector. Op. 1060F10 FUEL INJECTORS - R.R. The test can be considered over | |
| 26 | Disconnect the wiring harness connector from injector 1.Check that the resistance across pins 16 and 47 (wiring side) of the control unit See M010 ENGINE MANAGEMENT ECU is greater than 500 kOhms | Repair or if necessary replace the electrical wiring of the engine control unit See E5050 DIESEL ENGINES ELECTRONIC MANAGEMENT |
| 27 | Check that the voltage across Pin 16 (wiring side) of engine control unit connector B See M010 ENGINE MANAGEMENT ECU Pin 1 (wiring side) of injector 1 See N070 INJECTOR is less than 5 Ohms | Repair or if necessary replace the electrical wiring between the engine control unit and the injector See E5050 DIESEL ENGINES ELECTRONIC MANAGEMENT |
| 28 | Check that the voltage across Pin 47 (wiring side) of engine control unit connector B See M010 ENGINE MANAGEMENT ECU Pin 2 (wiring side) of injector 1 See N070 INJECTOR is less than 5 Ohms | Repair or if necessary replace the electrical wiring between the engine control unit and the injector See E5050 DIESEL ENGINES ELECTRONIC MANAGEMENT |
| 29 | Check that the resistance across pins 1 and 2 (wiring side) of injector 1 See N070 INJECTOR is between 0.3 and 0.7 Ohms | Replace the injector |
| 30 | Turn the ignition key ON.Check that the voltage across Pin 17 (wiring side) of engine control unit connector B See M010 ENGINE MANAGEMENT ECU and earth is greater than 0.3 V. | Repair or if necessary replace the electrical wiring between the engine control unit and injector 4 See E5050 DIESEL ENGINES ELECTRONIC MANAGEMENT |
| 31 | Turn the ignition key OFF.Check that the voltage acros |
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