Control module connection
CONTROL MODULE CONNECTION SPECIFICATION
| Pin | Component / Function | In/Out | Test conditions | Across | Test reading | Comments |
|---|---|---|---|---|---|---|
| 1 | Check Engine lamp | In | Ignition ON | 1-4 | 11.5-12 V | |
| 2 | No connection | |||||
| 3 | Battery voltage +30 | In | Ignition ON | 3-4 | B+ | |
| 4 | Ground | In | Ignition ON | 4-B+ | B+ | |
| 5 | No connection | |||||
| 6 | No connection | |||||
| 7 | I-bus | In/Out | Ignition ON Connect 86 11 857 Test lamp, red/green | 7-4 | The test lamp should flash | All units connected to the I-bus transmit signals. |
| 8 | I-bus | In/Out | Ignition ON Connect 86 11 857 Test lamp, red/green |
8-4 | The test lamp should flash | All units connected to the I-bus transmit signals. |
| 9-12 | No connection |