| 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:- P2149 – Unit 2 injector control (injectors 2-5)
- P2151 – Unit 2 injector control (injectors 2-5)
Move on to Step 21 | Move on to Step 2 |
| 2 | Turn the ignition key ON.Check that the voltage between Pin 2 of engine management control unit connector B See M010 ENGINE MANAGEMENT CONTROL UNITand earth is greater than 0.3 V. | Repair or, if necessary, replace the electrical wiring between the engine managment control unit and injector 2 See E5050 DIESEL ENGINES ELECTRONIC MANAGEMENT |
| 3 | Turn the ignition key OFF.Check that the resistance between pin 2 of control unit connector B See M010 ENGINE MANAGEMENT CONTROL UNITand earth is greater than 500 kOhm. Move on to Step 7 | Move on to Step 4 |
| 4 | Disconnect the cable loom connector from injector 2.Check that the resistance between pin 2 of control unit connector B See M010 ENGINE MANAGEMENT CONTROL UNITand Earth is more than 500 kOhm. | Repair or, if necessary, replace the electrical wiring between the engine management control unit and the injector See E5050 DIESEL ENGINES ELECTRONIC MANAGEMENT |
| 5 | Check that the resistance between pin 31 of control unit connector B See M010 ENGINE MANAGEMENT CONTROL UNITand Earth is more than 500 kOhm. | Repair or, if necessary, replace the electrical wiring between the engine management control unit and the injector See E5050 DIESEL ENGINES ELECTRONIC MANAGEMENT |
| 6 | Replace the injector. The test is complete | |
| 7 | Disconnect the cable loom connector from injector 2.Check that the resistance between pins 2 and 31 of the control unit See M010 ENGINE MANAGEMENT CONTROL UNITis greater than 500 kOhm | Repair or, if necessary, replace the wiring for the engine management control unit See E5050 DIESEL ENGINES ELECTRONIC MANAGEMENT |
| 8 | Check that the resistance between pin 2 of control unit connector B See M010 ENGINE MANAGEMENT CONTROL UNITPin 1 of injector 2 See N070 INJECTORis less than 5 Ohm | Repair or, if necessary, replace the electrical wiring between the engine management control unit and the injector See E5050 DIESEL ENGINES ELECTRONIC MANAGEMENT |
| 9 | Check that the resistance between pin 31 of control unit connector B See M010 ENGINE MANAGEMENT CONTROL UNITPin 2 of injector 2 See N070 INJECTORis less than 5 Ohm | Repair or, if necessary, replace the electrical wiring between the engine management control unit and the injector See E5050 DIESEL ENGINES ELECTRONIC MANAGEMENT |
| 10 | Check that the resistance between pins 1 and 2 of injector 2 See N070 INJECTORis between 0.3 and 0.7 Ohm | Replace the injector |
| 11 | Turn the ignition key ON.Check that the voltage between Pin 18 of engine management control unit connector B See M010 ENGINE MANAGEMENT CONTROL UNITand earth is greater than 0.3 V. | Repair or, if necessary, replace the electrical wiring between the engine managment control unit and injector 3 See E5050 DIESEL ENGINES ELECTRONIC MANAGEMENT |
| 12 | Turn the ignition key OFF.Check that the resistance between pin 18 of control unit connector B See M010 ENGINE MANAGEMENT CONTROL UNITand Earth is more than 500 kOhm.Move on to Step 16 | Move on to Step 13 |
| 13 | Disconnect the cable loom connector from injector 3.Check that the resistance between pin 18 of control unit connector B See M010 ENGINE MANAGEMENT CONTROL UNITand Earth is more than 500 kOhm. | Repair or, if necessary, replace the electrical wiring between the engine management control unit and the injector See E5050 DIESEL ENGINES ELECTRONIC MANAGEMENT |
| 14 | Check that the resistance between pin 48 of control unit connector B See M010 ENGINE MANAGEMENT CONTROL UNITand Earth is more than 500 kOhm. | Repair or, if necessary, replace the electrical wiring between the engine management control unit and the injector See E5050 DIESEL ENGINES ELECTRONIC MANAGEMENT |
| 15 | Replace the injector.The test can be considered over | |
| 16 | Disconnect the cable loom connector from injector 5.Check that the resistance between pins 18 and 48 of the control unit See M010 ENGINE MANAGEMENT CONTROL UNITis greater than 500 kOhm | Repair or, if necessary, replace the wiring for the engine management control unit See E5050 DIESEL ENGINES ELECTRONIC MANAGEMENT |
| 17 | Check that the resistance between pin 18 of control unit connector B See M010 ENGINE MANAGEMENT CONTROL UNITPin 1 of injector 3 See N070 INJECTORis less than 5 Ohm | Repair or, if necessary, replace the electrical wiring between the engine management 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 CONTROL UNITPin 2 of injector 5 See N070 INJECTORis less than 5 Ohm | Repair or, if necessary, replace the electrical wiring between the engine management control unit and the injector See E5050 DIESEL ENGINES ELECTRONIC MANAGEMENT |
| 19 | Check that the resistance between pins 1 and 2 of injector 5 See N070 INJECTORis between 0.3 and 0.7 Ohm | Replace the injector |
| 20 | Replace the engine management control unit Op. 1060G80 DIESEL ELECTRONIC INJECTION CONTROL UNIT - .RThe test can be considered over | |
| 21 | Turn the ignition key ON.Check that the voltage between Pin 16 of engine management control unit connector B See M010 ENGINE MANAGEMENT CONTROL UNITand the earth is greater than 0.3 V. | Repair or, if necessary, replace the electrical wiring between the engine managment control unit and injector 1 See E5050 DIESEL ENGINES ELECTRONIC MANAGEMENT |
| 22 | Turn the ignition key OFF.Check that the resistance across pin 16 of control unit connector B See M010 ENGINE MANAGEMENT CONTROL UNITand Earth is more than 500 kOhm.Move on to Step 26 | Move on to Step 23 |
| 23 | Disconnect the cable loom connector from injector 1.Check that the resistance across pin 16 of control unit connector B See M010 ENGINE MANAGEMENT CONTROL UNITand Earth is more than 500 kOhm. | Repair or, if necessary, replace the electrical wiring between the engine management control unit and the injector See E5050 DIESEL ENGINES ELECTRONIC MANAGEMENT |
| 24 | Check that the resistance between pin 47 of control unit connector B See M010 ENGINE MANAGEMENT CONTROL UNITand Earth is more than 500 kOhm. | Repair or, if necessary, replace the electrical wiring between the engine management control unit and the injector See E5050 DIESEL ENGINES ELECTRONIC MANAGEMENT |
| 25 | Replace the injector.The test can be considered over | |
| 26 | Disconnect the cable loom connector from injector 1.Check that the resistance between pins 16 and 47 of the control unit See M010 ENGINE MANAGEMENT CONTROL UNITis greater than 500 kOhm | Repair or, if necessary, replace the wiring for the engine management control unit See E5050 DIESEL ENGINES ELECTRONIC MANAGEMENT |
| 27 | Check that the resistance between pin 16 of control unit connector B See M010 ENGINE MANAGEMENT CONTROL UNITPin 1 of injector 1 See N070 INJECTORis less than 5 Ohm | Repair or, if necessary, replace the electrical wiring between the engine management control unit and the injector See E5050 DIESEL ENGINES ELECTRONIC MANAGEMENT |
| 28 | Check that the resistance between pin 47 of control unit connector B See M010 ENGINE MANAGEMENT CONTROL UNITPin 2 of injector 1 See N070 INJECTORis less than 5 Ohm | Repair or, if necessary, replace the electrical wiring between the engine management control unit and the injector See E5050 DIESEL ENGINES ELECTRONIC MANAGEMENT |
| 29 | Check that the resistance between pins 1 and 2 of injector 1 See N070 INJECTORis between 0.3 and 0.7 Ohm | Replace the injector |
| 30 | Turn the ignition key ON.Check that the voltage between Pin 1 of engine management control unit connector B See M010 ENGINE MANAGEMENT CONTROL UNITand earth is greater than 0.3 V. | Repair or, if necessary, replace the electrical wiring between the engine managment control unit and injector 3 See E5050 DIESEL ENGINES ELECTRONIC MANAGEMENT |
| 31 | Turn the ignition key OFF.Check that the resistance between pin 1 of control unit connector B See M010 ENGINE MANAGEMENT CONTROL UNITand Earth is more than 500 kOhm.Move on to Step 36 | Move on to Step 32 |
| 32 | Disconnect the cable loom connector from injector 3.Check that the resistance between pin 1 of control unit connector B See M010 ENGINE MANAGEMENT CONTROL UNITand Earth is more than 500 kOhm. | Repair or, if necessary, replace the electrical wiring between the engine management control unit and the injector |