Powertrain Control Module (PCM) C1 Connector End View
Powertrain Control Module (PCM) C1 Connector End View
| Connector Part Information |
|
||
|---|---|---|---|
| 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 B |
| 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 | PU | 1807 | Class 2 Serial Data (Primary) |
| 16-17 | - | - | 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 High |
| 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 A |
| 54-56 | - | - | Not Used |
Powertrain Control Module (PCM) C1 Connector End View
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| 1 | TN/BK | 2500 | High Speed GMLAN Serial Data (+) |
| 2 | TN | 2501 | High Speed GMLAN Serial Data (-) |
| 3-5 | - | - | Not Used |
| 6 | D-GN/WH | 459 | A/C Compressor Clutch Relay Control |
| 7 | BN | 1271 | Low Reference |
| 8 | TN | 1274 | 5-Volt Reference |
| 9 | - | - | Not Used |
| 10 | D-GN | 335 | Low Speed Cooling Fan Relay Control |
| 11 | - | - | Not Used |
| 12 | PU | 1589 | Fuel Level Sensor Signal |
| 13 | PK/BK | 5290 | Ignition 1 Voltage |
| 14 | - | - | Not Used |
| 15 | PU | 1807 | Class 2 Serial Data |
| 16 | - | - | Not Used |
| 17 | GY | 2700 | 5-Volt Reference |
| 18 | BN | 4 | Accessory Voltage |
| 19 | PK | 639 | Ignition 1 Voltage |
| 20 | RD/WH | 540 | Battery Positive Voltage |
| 21 | - | - | Not Used |
| 22 | WH | 1310 | EVAP Canister Vent Solenoid Control |
| 23 | - | - | Not Used |
| 24 | D-GN | 890 | Fuel Tank Pressure Sensor Signal |
| 25 | - | - | Not Used |
| 26 | OG/BK | 380 | A/C Refrigerant Pressure Sensor Signal |
| 27 | D-BU | 1161 | APP Sensor 1 Signal |
| 28 | - | - | Not Used |
| 29 | OG/BK | 1057 | Low Reference |
| 30 | WH/BK | 1164 | 5-Volt Reference |
| 31 | - | - | Not Used |
| 32 | WH | 17 | Stop Lamp Switch Signal |
| 33-36 | - | - | Not Used |
| 37 | D-GN/WH | 465 | Fuel Pump Relay Control |
| 38 | BN | 5069 | Main Relay Control |
| 39 | - | - | Not Used |
| 40 | BN/WH | 419 | MIL Control |
| 41 | L-BU | 1162 | APP Sensor 2 Signal |
| 42 | - | - | Not Used |
| 43 | PU | 1272 | Low Reference |
| 44 | - | - | Not Used |
| 45 | PU | 5526 | Tap Up/Tap Down Switch Signal |
| 46 | - | - | Not Used |
| 47 | GY | 705 | 5-Volt Reference |
| 48 | YE | 447 | Starter Relay Coil Control |
| 49-50 | - | - | Not Used |
| 51 | D-BU | 473 | High Speed Cooling Fan Relay Control |
| 52-53 | - | - | Not Used |
| 54 | PU/WH | 1035 | Starter Relay Coil Supply Voltage |
| 55 | OG/BK | 1057 | Low Reference |
| 56 | TN | 5514 | Low Reference |