Check timing sensor operation
- Make
- Fiat
- Model
- Grande Punto Factory Service Manual
- Year
- 2005–2012
- Section
- Diesel injection system › Check timing sensor operation
CHECK TIMING SENSOR OPERATION
| STEP | CHECK TO BE PERFORMED | RESOLUTION IF THE CHECK IS NOT OK |
|---|---|---|
| 1 | Turn the ignition key OFF. Disconnect the wiring harness connector from the timing sensor. Turn the ignition key ON. Measure the voltage between sensor Pin 3 (wiring side) and the earth, checking that it is in a range between 4.8 and 5.2 V Move on to Step 3 | Move on to Step 2 |
| 2 | If faults are present, repair or if necessary replace the electrical wiring between the timing sensor and the engine control unit. See E5050 DIESEL ENGINES ELECTRONIC MANAGEMENT The test can be considered over | Replace the engine management control unit |
| 3 | Measure the voltage between sensor (wiring side) Pins 3 and 1 is between 4.8 and 5.2 V | Move on to Step 2 |
| 4 | Measure the voltage between sensor Pin 2 (wiring side) and the earth, checking that it is in a range between 4.8 and 5.2 V | Move on to Step 2 |
| 5 | Check for faults in the timing sensor, such as intermittent contacts, missing teeth, incorrect reference point or incorrect gap | Restore the correct positioning or replace the rpm sensor if necessary |
| 6 | Replace the timing sensor Op. 1060G22 CAM ANGLE SENSOR - R.R and check the fault has disappeared | Repair the original timing sensor and replace the engine management control unit. |
Parts & tools for this job For 2005 Fiat Grande Punto
- TOOLOBD2 scannerSearch: OBD2 scanner
- TOOLDigital multimeterSearch: automotive digital multimeter
- TOOLBack-probe test leadsSearch: back probe test leads
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