Powertrain Control Module (PCM) C1
Powertrain Control Module (PCM) Connector End Views
Connector Part Information
Terminal Part Information
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Powertrain Control Module (PCM) C1
| Pin | Wire Color | Circuit No. | Function |
| 1 | TN/BK | 2500 | High Speed GMLAN Serial Data Bus + |
| 2 | TN | 2501 | High Speed GMLAN Serial Data Bus - |
| 3 | -- | -- | Not Used |
| 4 | GY | 2700 | 5-Volt Reference |
| 5 | -- | -- | Not Used |
| 6 | BN/WH | 419 | MIL Control |
| 7 | TN | 5514 | Low Reference |
| 8 | OG/BK | 1057 | Low Reference |
| 9 | -- | -- | Not Used |
| 10 | WH | 1310 | EVAP Canister Vent Solenoid Control |
| 11 | -- | -- | Not Used |
| 12 | OG/BK | 1057 | Low Reference |
| 13-14 | -- | -- | Not Used |
| 15-17 | -- | -- | Not Used |
| 18 | BN | 4 | Accessory Voltage |
| 19 | PK | 639 | Ignition 1 Voltage |
| 20 | RD/WH | 540 | Battery Positive Voltage |
| 21 | -- | -- | Not Used |
| 22 | BN | 818 | Vehicle Speed Signal |
| 23 | YE | 447 | Starter Relay Coil Control |
| 24 | BN | 5069 | Main Relay Control |
| 25 | -- | -- | Not Used |
| 26 | D-GN | 890 | Fuel Tank Pressure Sensor Signal |
| 27-30 | -- | -- | Not Used |
| 31 | OG/BK | 380 | A/C Refrigerant Pressure Sensor Signal |
| 32 | WH | 17 | Stop Lamp Switch Signal |
| 33 | D-GN/WH | 459 | A/C Compressor Clutch Relay Control |
| 34-36 | -- | -- | Not Used |
| 37 | D-GN/WH | 465 | Fuel Pump Relay Control |
| 38-42 | -- | -- | Not Used |
| 43 | PU | 1589 | Fuel Level Sensor Signal |
| 44 | -- | -- | Not Used |
| 45 | PU | 5526 | Tap Up/Tap Down Switch Signal |
| 46-47 | -- | -- | Not Used |
| 48 | D-GN | 335 | Low Speed Cooling Fan Relay Control |
| 49 | -- | -- | Not Used |
| 50 | D-BU | 473 | High Speed Cooling Fan Relay Control |
| 51-52 | -- | -- | Not Used |
| 53 | GY | 705 | 5-Volt Reference 1 |
| 54-56 | -- | -- | Not Used |