939010212 - 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 | Press the START/STOP button and turn on the panel.Check that the voltage across Pin 2 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 | Press the START/STOP button.Check that the resistance across pin 2 of 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 resistance across pin 2 of 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 resistance across pin 31 of 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. The test is complete | |
| 7 | Disconnect the wiring harness connector from injector 2.Check that the resistance across pin 2 and 31 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 resistance across pin 2 of control unit connector B See M010 ENGINE MANAGEMENT ECU Pin 1 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 resistance across pin 31 of control unit connector B See M010 ENGINE MANAGEMENT ECU Pin 2 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 of injector 2 See N070 INJECTOR is between 0.3 and 0.7 Ohms | Replace the injector |
| 11 | Press the START/STOP button.Check that the voltage across Pin 18 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 | Press the START/STOP button.Check that the resistance across pin 18 of 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 resistance across pin 18 of 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 resistance across pin 48 of 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.The test can be considered over | |
| 16 | Disconnect the wiring harness connector from injector 5.Check that the resistance across pin 18 and 48 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 resistance across pin 18 of control unit connector B See M010 ENGINE MANAGEMENT ECU Pin 1 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 resistance across pin 48 of control unit connector B See M010 ENGINE MANAGEMENT ECU Pin 2 of injector 5 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 of injector 5 See N070 INJECTOR is between 0.3 and 0.7 Ohms | Replace the injector |
| 20 | Replace the engine management control unit Op. 1060G80 DIESEL ELECTRONIC INJECTION CONTROL UNIT - .R The test can be considered over | |
| 21 | Press the START/STOP button and turn on the panel.Check that the voltage across Pin 16 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 | Press the START/STOP button.Check that the resistance across pin 16 of 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 resistance across pin 16 of 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 resistance across pin 47 of 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.The test can be considered over | |
| 26 | Disconnect the wiring harness connector from injector 1.Check that the resistance across pin 16 and 47 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 resistance across pin 16 of control unit connector B See M010 ENGINE MANAGEMENT ECU Pin 1 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 resistance across pin 47 of control unit connector B See M010 ENGINE MANAGEMENT ECU Pin 2 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 of injector 1 See N070 INJECTOR is between 0.3 and 0.7 Ohms | Replace the injector |
| 30 | Press the START/STOP button.Check that the voltage across Pin 1 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 |
| 31 | Press the START/STOP button.Check that the resistance across pin 1 of control unit connector B See M010 ENGINE MANAGEMENT ECU and Earth is more than 500 kOhm.Move on to Step 36 | Move on to Step 32 |
| 32 | Disconnect the wiring harness connector from injector 3.Check that the resistance across pin 1 of 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 |
| 33 | Check that the resistance across pin 46 of control unit connecto |
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