Electric steering power supply check
- Make
- Fiat
- Model
- Bravo Factory Service Manual
- Year
- 2007–2014
- Section
- Steering control and linkage › Electric steering power supply check
SteeringElectric steering power supply check
ELECTRIC STEERING POWER SUPPLY CHECK
| STEP | CHECK TO BE PERFORMED | REMEDIAL ACTION IF THE CHECK IS NOT OK |
|---|---|---|
| 1 | Check power supply (+15) - Connect an Examiner in Voltmeter mode with the positive probe at pin 1 of connector B and the negative probe earthed - Turn the key to the MAR position. The battery voltage reading should be around 12 volts | Restore the continuity of the connection between the engine compartment control unit and the electric steering control unit (pin 1 connector B) |
| 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 battery voltage reading should be 12 Volt | Check the continuity of 70 A fuse F72 in the battery fuse box and replace it if blown, checking what caused it to blow. |
Connector A
Connector B
| Electric steering control unit pinout | |
|---|---|
| Connector A | |
| Pin A | + 12 V battery |
| Pin B | Earth |
| Connector B | |
| Pin 1 | + 15 |
| Pin 2 | N.C. |
| Pin 3 | N.C. |
| Pin 4 | Diagnostic line K |
| Pin 5 | C-CAN L network (OUT) |
| Pin 6 | C-CAN H network (OUT) |
| Pin 7 | C-CAN L network (IN) |
| Pin 8 | C-CAN H network (IN) |
| Pin 9 | N.C. |
| Pin 10 | N.C. |
Parts & tools for this job For 2007 Fiat Bravo
- 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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