Powertrain Control Module (PCM) X2 (L26)
Courtesy of GENERAL MOTORS CORP. Powertrain Control Module (PCM) X2 (L26)
| Pin |
Wire |
Circuit |
Function |
| 1 |
0.5 PK/YE |
1456 |
EGR Valve Position Signal |
| 2 |
0.5 WH/BK |
1061 |
UART Serial Data Secondary |
| 3 |
0.5 TN/OG |
800 |
UART Serial Data Primary |
| 4 |
0.5 TN/PK |
845 |
Fuel Injector 5 Control |
| 5 |
0.5 TN/OG |
1744 |
Fuel Injector 1 Control |
| 6 |
0.5 YE/BK |
846 |
Fuel Injector 6 Control |
| 7 |
0.5 PK/BK |
1746 |
Fuel Injector 3 Control |
| 8 |
0.5 TN/D-GN |
2753 |
Low Reference |
| 9 |
0.5 L-GN/BK |
1745 |
Fuel Injector 2 Control |
| 10 |
0.5 YE/BK |
844 |
Fuel Injector 4 Control |
| 11 |
0.5 PU/WH |
424 |
IC Timing Signal |
| 12 |
0.8 GY |
3112 |
HO2S Heater Low Control Sensor 1 |
| 13 |
0.5 OG/WH |
1676 |
EGR Solenoid High Control |
| 14-15 |
- |
- |
Not Used |
| 16 |
0.5 D-GN |
435 |
EGR Solenoid Low Control |
| 17 |
- |
- |
Not Used |
| 18 |
0.5 YE/GY |
469 |
MAP Sensor Signal |
| 19-25 |
- |
- |
Not Used |
| 26 |
0.5 TN/YE |
630 |
Camshaft Position Signal |
| 27 |
0.35 PU/WH |
430 |
Low Resolution Engine Speed Signal |
| 28 |
0.5 L-BU/BK |
647 |
Medium Resolution Engine Speed Signal |
| 29 |
0.5 TN/L-BU |
2761 |
Low Reference |
| 30 |
0.5 L-GN |
432 |
Low Reference |
| 31 |
0.5 BN |
1174 |
Oil Level Switch Signal |
| 32 |
- |
- |
Not Used |
| 33 |
0.5 GY/BK |
2702 |
5-Volt Reference 1 |
| 34 |
0.5 OG/WH |
2704 |
5-Volt Reference 2 |
| 35 |
0.5 BN/WH |
6790 |
Air Injection Pressure Sensor 5-Volt Reference 2 (NU6) |
| 36 |
- |
- |
Not Used |
| 37 |
0.5 OG/BK |
453 |
Low Reference |
| 38-40 |
- |
- |
Not Used |
| 41 |
0.5 D-GN/WH |
428 |
EVAP Canister Purge Solenoid Control |
| 42-44 |
- |
- |
Not Used |
| 45 |
0.5 GY/WH |
23 |
Generator Field Duty Cycle Signal |
| 46 |
0.5 D-BU |
496 |
Knock Sensor Signal 1 |
| 47 |
0.5 TN/PK |
3111 |
HO2S Low Reference Sensor 1 |
| 48 |
0.5 PU/WH |
3110 |
HO2S Reference Voltage Sensor 1 |
| 49-52 |
- |
- |
Not Used |
| 53 |
0.5 OG |
225 |
Generator Turn On Signal |
| 54 |
- |
- |
Not Used |
| 55 |
0.5 YE |
410 |
ECT Sensor Signal |
| 56 |
- |
- |
Not Used |
| 57 |
0.5 TN/BK |
231 |
Oil Pressure Switch Signal |
| 58 |
0.5 L-BU |
1876 |
Knock Sensor 2 Signal |
| 59 |
0.5 PU |
421 |
AIR Solenoid Relay Control (NU6) |
| 60 |
- |
- |
Not Used |
| 61 |
0.5 WH |
423 |
IC Timing Control |
| 62-72 |
- |
- |
Not Used |
| 73 |
2 BK/WH |
1551 |
Ground |
Connector Part Information
- OEM: 15497526 (- NU6), 13528610 (NU6)
- Service: See Catalog
- Description: 73-Way F Micro-Pack, Sealed (BK)
|
Terminal Part Information
- Terminal/Tray: See Terminal Repair Kit
- Core/Insulation Crimp: See Terminal Repair Kit
- Release Tool/Test Probe: See Terminal Repair Kit
|