Check electric steering power supply
- Make
- Fiat
- Model
- Grande Punto Factory Service Manual
- Year
- 2005–2012
- Section
- Steering control and linkage › Check electric steering power supply
CHECK ELECTRIC STEERING POWER SUPPLY
| STEP | CHECK TO BE PERFORMED | RESOLUTION IF THE CHECK IS NOT OK |
|---|---|---|
| 1 | Check power supply (+15) - Connect using the Examiner in Voltmeter mode to the positive probe at pin 1 of connector and the negative probe earthed. - Turn the key to the on position and read the battery voltage of around 12 volt | - Restore the continuity of the connection between the body computer (pin 24 connector D) and the electric steering control unit (pin 1 connector B) - Check the continuity of the 7.5 A fuse F21 in the junction unit under the dashboard and if broken replace it checking out the cause. |
| 2 | Check earth connection Check the continuity of the connection between pin B of connector A and earth | Restore the continuity of the earth connection. |
| 3 | Check power supply (+30) Connect the Examiner in Voltmeter mode with the positive probe connected to pin A of connector A and the negative probe earthed. The direct battery voltage reading should be 12 Volt | Check the continuity of the 70 A fuse F6 in the battery junction unit and if broken replace it checking out the cause. |
| Pinout | |
|---|---|
| Connector A | |
Pin A Pin B | + 12 V battery Earth |
| Connector B | |
Pin 1 Pin 2 Pin 3 Pin 4 Pin 5 Pin 6 Pin 7 Pin 8 Pin 9 Pin 10 | + 15 C-CAN H C-CAN L N.C. N.C. N.C. C-CAN H OUT C-CAN L OUT N.C. N.C. |
Parts & tools for this job For 2005 Fiat Grande Punto
- TOOLTie rod end toolSearch: tie rod end puller
- TOOLBall joint separatorSearch: ball joint separator
- FLUIDPower steering fluidSearch: Fiat power steering fluid
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