Engine Control Module (ECM) X3 (LLR)
Courtesy of GENERAL MOTORS CORP. Engine Control Module (ECM) X3 (LLR)
| Pin |
Wire |
Circuit |
Function |
| 1-6 |
- |
- |
Not Available |
| 7 |
0.5 PU |
5428 |
Generator Regulator Control |
| 8 |
- |
- |
Not Available |
| 9 |
0.5 BN |
436 |
AIR Relay Control (K18) |
| 10-11 |
- |
- |
Not Available |
| 12 |
0.5 TN/BK |
464 |
Delivered Torque Signal |
| 13-16 |
- |
- |
Not Available |
| 17 |
0.5 OG/BK |
463 |
Requested Torque Signal |
| 18-20 |
- |
- |
Not Available |
| 21 |
0.5 BK |
2751 |
Low Reference |
| 22 |
- |
- |
Not Available |
| 23 |
0.5 OG/BK |
469 |
Low Reference |
| 24-25 |
- |
- |
Not Available |
| 26 |
0.5 D-BU/WH |
6785 |
Low Reference (K18) |
| 27 |
0.5 D-BU/WH |
6294 |
Low Reference (MA5) |
| - |
- |
Not Available (MD8 or M30) |
| 28 |
- |
- |
Not Available |
| 29 |
0.5 GY |
23 |
Generator Field Duty Cycle Signal |
| 30-32 |
- |
- |
Not Available |
| 33 |
0.5 TN |
2501 |
High Speed GMLAN Serial Data Bus - |
| 34 |
- |
- |
Not Available |
| 35 |
0.5 BK |
2761 |
Low Reference |
| 36 |
- |
- |
Not Available |
| 37 |
0.5 GY |
2700 |
5-Volt Reference 1 |
| 38 |
- |
- |
Not Available |
| 39 |
0.5 GY |
2704 |
5-Volt Reference 1 |
| 40-41 |
- |
- |
Not Available |
| 42 |
0.5 BN/WH |
6789 |
5-Volt Reference (K18) |
| 43 |
0.5 D-GN |
6293 |
5-Volt Reference (MA5) |
| - |
- |
Not Available (MD8 or M30) |
| 44-45 |
- |
- |
Not Available |
| 46 |
- |
- |
Not Available (MA5) |
| 0.5 D-GN |
1433 |
Park/Neutral Signal (MD8 or M30) |
| 47 |
- |
- |
Not Available |
| 48 |
0.5 D-GN/WH |
428 |
EVAP Canister Purge Solenoid Control |
| 49-52 |
- |
- |
Not Available |
| 53 |
0.5 TN/WH |
2500 |
High Speed GMLAN Serial Data Bus + |
| 54 |
- |
- |
Not Available |
| 55 |
0.5 YE |
410 |
ECT Sensor Signal |
| 56 |
- |
- |
Not Available |
| 57 |
0.5 RD/BK |
380 |
A/C Refrigerant Pressure Sensor Signal |
| 58 |
- |
- |
Not Available |
| 59 |
0.5 L-GN |
432 |
MAP Sensor Signal |
| 60-61 |
- |
- |
Not Available |
| 62 |
0.5 YE |
6787 |
Air Injection Reaction Control Valve (K18) |
| 63 |
0.5 D-BU |
6303 |
CPP Sensor SIgnal (MA5) |
| - |
- |
Not Available (MD8 or M30) |
| 64 |
- |
- |
Not Available |
| 65 |
0.5 TN/BK |
231 |
Oil Pressure Switch Signal |
| 66 |
0.5 PU/WH |
821 |
VSS High Signal (MA5) |
| - |
- |
Not Available (MD8 or M30) |
| 67 |
0.5 L-GN/BK |
822 |
VSS Low Signal (MA5) |
| - |
- |
Not Available (MD8 or M30) |
| 68-73 |
- |
- |
Not Available |
Connector Part Information
- Harness: Engine
- OEM: 34566-1223 (MA5)
- OEM: 34566-1233 (M30)
- Service: 88988372 (MA5)
- Service: 12582678 (M30)
- Description: 73-Way F MX123 34566 Series, Sealed (GY) with (BK) Case
|
Terminal Part Information
- Terminal/Tray: 33467-0005/23
- Core/Insulation Crimp: J/J
- Release Tool/Test Probe: J-38125-213/J-35616-64B (L-BU)
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