Powertrain Control Module (PCM) Connector End View C1
Powertrain Control Module (PCM) C1 Connector & Terminal Parts Information
Connector Part Information
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Terminal Part Information
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Powertrain Control Module (PCM) C1 Terminal Identification
| 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 1 |
| 5 | - | - | Not Used |
| 6 | BN/WH | 419 | MIL Control |
| 7 | YE/GY | 5514 | Low Reference |
| 8 | TN | 2759 | Low Reference |
| 9 | - | - | Not Used |
| 10 | TN/WH | 1310 | EVAP Canister Vent Solenoid Control |
| 11 | - | - | Not Used |
| 12 | WH/GY | 6786 | Low Reference (NU6) |
| 13-17 | - | - | Not Used |
| 18 | D-BU/WH | 5985 | Accessory Wake up Serial Data |
| 19 | PK | 439 | Ignition 1 Voltage |
| 20 | RD/WH | 4640 | Battery Positive Voltage |
| 21 | - | - | Not Used |
| 22 | PU/BK | 389 | Vehicle Speed Signal |
| 23 | YE | 447 | Starter Relay Coil Control |
| 24 | BN | 5069 | PWRTRAIN Relay Control |
| 25 | - | - | Not Used |
| 26 | D-GN | 890 | Fuel Tank Pressure Sensor Signal |
| 27-30 | - | - | Not Used |
| 31 | OG/WH | 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 | WH/BK | 436 | AIR Pump Relay Control (NU6) |
| 35-36 | - | - | Not Used |
| 37 | D-GN/WH | 465 | Fuel Pump Relay Control |
| 38-42 | - | - | Not Used |
| 43 | PU/BK | 1589 | Primary Fuel Level Sensor Signal |
| 44-47 | - | - | Not Used |
| 48 | TN/OG | 335 | Low Speed Cooling Fan Relay Control |
| 49 | - | - | Not Used |
| 50 | L-BU | 473 | High Speed Cooling Fan Relay Control |
| 51-52 | - | - | Not Used |
| 53 | GY | 416 | 5-Volt Reference 1 |
| 54-56 | - | - | Not Used |