PRE-RELEASE
Control module, SCM (587), Power supply, E39
| Control module, SCM (587), Power supply, E39 |
| Location |
Control module, SCM (587), E39
| Main task |
Powering the SCM (587), E39.
| Type |
Power supply from the underhood electrical centre (342) with on/off control through ignition switch (20) and communication through the P bus.
| Connection |
| 587 pin no. | Signal type | Description |
| 2A (H3A) and 19A. | Power supply +15 | Power supply from fuse 4 in the underhood electrical centre (342) via crimp connection J226 (when the ignition is "ON"). |
| 3A (G3) and 20A. | Power supply +30 | Power supply from fuse 2 in the underhood electrical centre (342) via crimp connection J227 (continuous supply). |
| 5A (A2A) and 6A (A1A). | P-bus | Communication. |
| 21A (A3A) | Signal | Signal from ignition switch module (20), terminal 3 (+X). |
| 47A, 57A, 60A and 63A. (P1B, G4A and H4A) | Ground | Grounding to grounding point G14 via crimp connection J230 and connector H10-16. |
SCM generation 1
SCM generation 2
SCM (587) is grounded to grounding point G14. Power supply to SCM is with +30 from fuse 2, plus also with +15 when the ignition switch is turned to the "ON" position.
