| STEP | CHECK TO BE PERFORMED | RESOLUTION IF THE CHECK IS NOT OK |
|---|
| 1 | Turn the ignition key OFF.Disconnect the wiring harness connector from engine control unit connector BTurn the ignition key ON.Check that the resistance between Earth and:- Pins 16 and 47 (wiring side) of the control unit for injector 1- Pins 17 and 49 (wiring side) of the control unit for injector 2- Pins 31 and 48 (wiring side) of the control unit for injector 3- Pins 1 and 46 (wiring side) of the control unit for injector 4is less than 0.3 V See M010 ENGINE MANAGEMENT ECU | Repair or if necessary replace the electrical wiring between the engine control unit and the injector See E5050 DIESEL ENGINES ELECTRONIC MANAGEMENT |
| 2 | Turn the ignition key OFF.Check that the resistance between Earth and:- Pins 16 and 47 (wiring side) of the control unit for injector 1- Pins 17 and 49 (wiring side) of the control unit for injector 2- Pins 31 and 48 (wiring side) of the control unit for injector 3- Pins 1 and 46 (wiring side) of the control unit for injector 4is greater than 500 kOhmsMove on to Step 6 See M010 ENGINE MANAGEMENT ECU | Move on to Step 3 |
| 3 | Disconnect the wiring harness connector from the injector.Check that the resistance between Earth and:- Pin 16 (wiring side) of the control unit for injector 1- Pin 17 (wiring side) of the control unit for injector 2- Pin 31 (wiring side) of the control unit for injector 3- Pin 1 (wiring side) of the control unit for injector 4is greater than 500 kOhms See M010 ENGINE MANAGEMENT ECU | Repair or if necessary replace the electrical wiring between the engine control unit and the injector See E5050 DIESEL ENGINES ELECTRONIC MANAGEMENT |
| 4 | Check that the resistance between Earth and:- Pin 47 (wiring side) of the control unit for injector 1- Pin 49 (wiring side) of the control unit for injector 2- Pin 48 (wiring side) of the control unit for injector 3- Pin 46 (wiring side) of the control unit for injector 4is greater than 500 kOhms See M010 ENGINE MANAGEMENT ECU | Repair or if necessary replace the electrical wiring between the engine control unit and the injector See E5050 DIESEL ENGINES ELECTRONIC MANAGEMENT |
| 5 | Replace the injector Op. 1060F10 FUEL INJECTORS - R.R. The test can be considered over | |
| 6 | Check that the resistance across:- Pins 16 and 47 (wiring side) of the control unit for injector 1- Pins 17 and 49 (wiring side) of the control unit for injector 2- Pins 31 and 48 (wiring side) of the control unit for injector 3- Pins 1 and 46 (wiring side) of the control unit for injector 4is between 0.3 and 0.7 OhmsMove on to Step 11 See M010 ENGINE MANAGEMENT ECU | Move on to Step 7 |
| 7 | Check that the resistance across:- Pins 16 and 47 (wiring side) of the control unit for injector 1- Pins 17 and 49 (wiring side) of the control unit for injector 2- Pins 31 and 48 (wiring side) of the control unit for injector 3- Pins 1 and 46 (wiring side) of the control unit for injector 4 is less than 0.3 Ohms.Move on to Step 10 See M010 ENGINE MANAGEMENT ECU | Move on to Step 8 |
| 8 | Disconnect the wiring harness connector from the injector.Check that the resistance across pin 2 (wiring side) of the injector and: See N070 INJECTOR - Pin 16 (wiring side) of the control unit for injector 1- Pin 17 (wiring side) of the control unit for injector 2- Pin 31 (wiring side) of the control unit for injector 3- Pin 1 (wiring side) of the control unit for injector 4 is less than 5 Ohms See M010 ENGINE MANAGEMENT ECU | 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 1 (wiring side) of the injector and: See N070 INJECTOR - Pin 47 (wiring side) of the control unit for injector 1- Pin 49 (wiring side) of the control unit for injector 2- Pin 48 (wiring side) of the control unit for injector 3- Pin 46 (wiring side) of the control unit for injector 4 is less than 5 Ohms See M010 ENGINE MANAGEMENT ECU Move on to Step 5 | Repair or if necessary replace the electrical wiring between the engine control unit and the injector See E5050 DIESEL ENGINES ELECTRONIC MANAGEMENT |
| 10 | Disconnect the wiring harness connector from the injector.Check that the resistance across:- Pins 16 and 47 (wiring side) of the control unit for injector 1- Pins 17 and 49 (wiring side) of the control unit for injector 2- Pins 31 and 48 (wiring side) of the control unit for injector 3- Pins 1 and 46 (wiring side) of the control unit for injector 4 is greater than 500 Ohms. See M010 ENGINE MANAGEMENT ECU Move on to Step 5 | Restore the engine control unit wiring See E5050 DIESEL ENGINES ELECTRONIC MANAGEMENT If necessary, replace it Op. 1060G80 DIESEL ELECTRONIC INJECTION CONTROL UNIT - R.R |
| 11 | Carry out a visual check on the condition of the injector and connector pipes to ensure it is OK | Replace the faulty component |
| 12 | Replace the engine management control unit Op. 1060G80 DIESEL ELECTRONIC INJECTION CONTROL UNIT - R.R | |
