Engine Control Module (ECM) C3
Engine Control Module (ECM) Connector End Views
Connector Part Information
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Terminal Part Information
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Engine Control Module (ECM) C3
| Pin | Wire Color | Circuit No. | Function |
|---|---|---|---|
| 4 | PU/WH | 3210 | HO2S Reference Voltage (Bank 2 Sensor 1) |
| 7 | OG | 225 | Generator Turn On Signal |
| 8 | L-GN | 1652 | Reverse Lockout Solenoid Control |
| 9 | WH/BK | 436 | AIR Pump Relay Control |
| 15 | L-GN/WH | 3112 | HO2S Heater Low Control [- Bank 1 Sensor 1] |
| 18 | BN | 1174 | Oil Level Switch Signal |
| 21 | L-BU | 5514 | Low Reference |
| 23 | OG/BK | 469 | Low Reference |
| 26 | WH/GY | 6786 | Engine:AIR_CONT_VLV_#2_LO_REF:_AIR_CONT_VLV_#2_LO_REF:D-GY:Engine:AIR_CONT_VLV_#2_LO_REF: Air Injection Reaction Control Valve #2 Low Reference |
| 29 | GY | 23 | Generator Field Duty Cycle Signal |
| 33 | TN | 2501 | High Speed GMLAN Serial Data Bus- |
| 35 | PK | 2761 | Low Reference |
| 37 | GY/BK | 2700 | A/C Pressure Sensor 5 Volt Reference |
| 39 | GY/WH | 2704 | 5-Volt Reference |
| 42 | BN/WH | 6790 | Air Injection Reaction Control Valve #2 Volt Reference |
| 46 | GY/OG | 1786 | Park/Neutral Signal |
| 48 | D-GN/WH | 428 | EVAP Canister Purge Solenoid Control |
| 49 | D-GN | 335 | Low Speed Cooling Fan Relay Control |
| 53 | TN/BK | 2500 | High Speed GMLAN Serial Data Bus+ |
| 55 | YE | 410 | ECT Sensor Signal |
| 57 | OG/WH | 380 | A/C Refrigerant Pressure Sensor Signal |
| 59 | L-GN/BK | 432 | MAP Sensor Signal |
| 62 | YE/GY | 6788 | Air Injection Reaction Control Valve #2 Control |
| 65 | YE/D-GN | 231 | Oil Pressure Switch Signal |