199002996 - 1080BA UPSTREAM LAMBDA SENSOR OPERATION CHECK
| CHECK TO BE PERFORMED | RESOLUTION IF THE CHECK IS NOT OK | |
|---|---|---|
| 1 | Turn the ignition key OFF.Disconnect the wiring harness from the lambda sensor on the preconverter and from engine control unit connector A.Turn the ignition key ON.Measure the voltage between Pin 1 (wiring side) of the sensor and earth is less than 0.3 V. See K040 LAMBDA SENSOR | Repair or if necessary replace the electrical wiring between the engine management control unit and the lambda sensor. See E5050 DIESEL ENGINES ELECTRONIC MANAGEMENT |
| 2 | Turn the ignition key OFF.Check that the resistance between Pin 1 (wiring side) of the sensor and earth is greater than 500 kOhms See K040 LAMBDA SENSOR | Repair or if necessary replace the electrical wiring between the engine management control unit and the lambda sensor. See E5050 DIESEL ENGINES ELECTRONIC MANAGEMENT |
| 3 | Measure the resistance between Pin 1 (wiring side) of the sensor and Pin 65 (wiring side) of the control unit is less than 5 Ohms See K040 LAMBDA SENSOR See M010 ENGINE MANAGEMENT ECU | Repair or if necessary replace the electrical wiring between the engine management control unit and the lambda sensor. See E5050 DIESEL ENGINES ELECTRONIC MANAGEMENT |
| 4 | Turn the ignition key ON.Measure the voltage between Pin 5 (wiring side) of the sensor and earth is less than 0.3 V. See K040 LAMBDA SENSOR | Repair or if necessary replace the electrical wiring between the engine management control unit and the lambda sensor. See E5050 DIESEL ENGINES ELECTRONIC MANAGEMENT |
| 5 | Turn the ignition key OFF.Check that the resistance between Pin 5 (wiring side) of the sensor and earth is greater than 500 kOhms See K040 LAMBDA SENSOR | Repair or if necessary replace the electrical wiring between the engine management control unit and the lambda sensor. See E5050 DIESEL ENGINES ELECTRONIC MANAGEMENT |
| 6 | Measure the resistance between Pin 5 (wiring side) of the sensor and Pin 87 (wiring side) of the control unit is less than 5 Ohms See K040 LAMBDA SENSOR See M010 ENGINE MANAGEMENT ECU | Repair or if necessary replace the electrical wiring between the engine management control unit and the lambda sensor. See E5050 DIESEL ENGINES ELECTRONIC MANAGEMENT |
| 7 | Turn the ignition key ON.Measure the voltage between Pin 2 (wiring side) of the sensor and earth is less than 0.3 V. See K040 LAMBDA SENSOR | Repair or if necessary replace the electrical wiring between the engine management control unit and the lambda sensor. See E5050 DIESEL ENGINES ELECTRONIC MANAGEMENT |
| 8 | Turn the ignition key OFF.Check that the resistance between Pin 2 (wiring side) of the sensor and earth is greater than 500 kOhms See K040 LAMBDA SENSOR | Repair or if necessary replace the electrical wiring between the engine management control unit and the lambda sensor. See E5050 DIESEL ENGINES ELECTRONIC MANAGEMENT |
| 9 | Measure the resistance between Pin 2 (wiring side) of the sensor and Pin 86 (wiring side) of the control unit is less than 5 Ohms See K040 LAMBDA SENSOR See M010 ENGINE MANAGEMENT ECU | Repair or if necessary replace the electrical wiring between the engine management control unit and the lambda sensor. See E5050 DIESEL ENGINES ELECTRONIC MANAGEMENT |
| 10 | Turn the ignition key ON.Measure the voltage between Pin 6 (wiring side) of the sensor and earth is less than 0.3 V. See K040 LAMBDA SENSOR | Repair or if necessary replace the electrical wiring between the engine management control unit and the lambda sensor. See E5050 DIESEL ENGINES ELECTRONIC MANAGEMENT |
| 11 | Turn the ignition key OFF.Check that the resistance between Pin 6 (wiring side) of the sensor and earth is greater than 500 kOhms See K040 LAMBDA SENSOR | Repair or if necessary replace the electrical wiring between the engine management control unit and the lambda sensor. See E5050 DIESEL ENGINES ELECTRONIC MANAGEMENT |
| 12 | Measure the resistance between Pin 6 (wiring side) of the sensor and Pin 64 (wiring side) of the control unit is less than 5 Ohms See K040 LAMBDA SENSOR See M010 ENGINE MANAGEMENT ECU | Repair or if necessary replace the electrical wiring between the engine management control unit and the lambda sensor. See E5050 DIESEL ENGINES ELECTRONIC MANAGEMENT |
| 13 | Replace the Lambda sensor Op. 1080B90 LAMBDA SENSOR - R.R.and check the fault has disappeared | Repair the original lambda sensor and replace the engine management control unit. Op. 1060G80 DIESEL ELECTRONIC INJECTION CONTROL UNIT - R.R |