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Siemens MS43 Pinout
From MS4X Wiki
| X60001 | |||
|---|---|---|---|
| Pin | Type | Description / Signal type | Connection / Measuring notes |
| 1 | A | Terminal 15 | Relay, fuel injectors |
| 2 | Not used | ||
| 3 | A/E | Signal Diagnostic link TXD | K-Line |
| 4 | M | Ground | Ground connector |
| 5 | M | Ground | Ground connector |
| 6 | M | Ground | Ground connector |
| 7 | E | Terminal 30 | B+ terminal |
| 8 | E | Voltage supply | Fuse carrier, engine electronics |
| 9 | Not used | ||
| X60002 | |||
|---|---|---|---|
| Pin | Type | Description / Signal type | Connection / Measuring notes |
| 1 | E | Signal Oxygen sensor heater in front of catalytic converter | Heated oxygen sensor 1 in front of catalytic converter |
| 2 | Not used | ||
| 3 | A/E | Signal CAN bus low | Transmission control unit |
| 4 | A/E | Signal CAN bus high | Transmission control unit |
| 5 | Not used | ||
| 6 | A/E | Signal Diagnostic link TXD | Transmission control unit |
| 7 | E | Signal Oxygen sensor heater behind catalytic converter | Heated oxygen sensor 1 in front of catalytic converter |
| 8 | Not used | ||
| 9 | Not used | ||
| 10 | Not used | ||
| 11 | Not used | ||
| 12 | Not used | ||
| 13 | E | Signal Oxygen sensor heater in front of catalytic converter | Heated oxygen sensor 2 in front of catalytic converter |
| 14 | E | Signal Oxygen sensor before catalytic converter | Heated oxygen sensor 1 in front of catalytic converter |
| 15 | E | Signal Oxygen sensor before catalytic converter | Heated oxygen sensor 2 in front of catalytic converter |
| 16 | E | Signal Oxygen sensor after catalytic converter | Heated oxygen sensor 1 behind catalytic converter |
| 17 | Not used | ||
| 18 | E | Signal Oxygen sensor after catalytic converter | Heated oxygen sensor 2 behind catalytic converter |
| 19 | E | Signal Oxygen sensor heater behind catalytic converter | Heated oxygen sensor 2 behind catalytic converter |
| 20 | M | Ground Oxygen sensor before catalytic converter | Heated oxygen sensor 1 in front of catalytic converter |
| 21 | M | Ground Oxygen sensor before catalytic converter | Heated oxygen sensor 2 in front of catalytic converter |
| 22 | M | Ground Oxygen sensor after catalytic converter | Heated oxygen sensor 1 behind catalytic converter |
| 23 | E | Signal Activation, main relay | DME relay |
| 24 | M | Ground Oxygen sensor after catalytic converter | Heated oxygen sensor 2 behind catalytic converter |
