Heating And A/C Control Module X10054 Connector End View
Pin Assignments At Connector X10054
| Pin | Type | Description /Signal type | Connection /Measuring notes |
|---|---|---|---|
| 1 | M | Ground | Ground splice |
| 2 | E/A | K-bus signal line | K-bus splice |
| 3 | E | Pressure signal | High pressure switch |
| 4 | M | Ground High pressure switch | High pressure switch |
| 5 | A | Power High pressure switch 5 V stabilized | High pressure switch |
| 6 | E | Nighttime illumination signal | Terminal 58g splice |
| 7 | Not used | ||
| 8 | Not used | ||
| 9 | Not used | ||
| 10 | E | Voltage supply, terminal 15 | Fuse F19 |
| 11 | E | Consumer cut-off signal | Consumer cut-off splice |
| 12 | Not used | ||
| 13 | M | Blower control, stage 4/defrost | Relay, defrost |
| 14 | A | Relay control Rear defogger relay | Rear defogger relay |
| 15 | A | Auxiliary water pump control | Auxiliary water pump |
| 16 | A | Activation, water valve | Water valve assembly |
| 17 | Not used | ||
| 18 | E | Throttle actuator terminal 30 voltage supply | Fuse F6 |