| Connector 1: | Powertrain Control Module (PCM) C1 |
| Connector 2: | Powertrain Control Module (PCM) C2 |
| Connector 3: | Powertrain Control Module (PCM) C3 |
Powertrain Control Module (PCM) C1
Connector Part Information
|
Terminal 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 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 |
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 |
34-36 | -- | -- | 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 |
Powertrain Control Module (PCM) C2
Connector Part Information
|
Terminal Part Information
|
Pin | Wire Color | Circuit No. | Function |
|---|---|---|---|
1 | PK/YE | 1456 | EGR Valve Position Signal |
2 | WH/BK | 1061 | UART Serial Data Secondary |
3 | TN/OG | 800 | UART Serial Data Primary |
4 | TN/PK | 845 | Fuel Injector 5 Control |
5 | TN/OG | 1744 | Fuel Injector 1 Control |
6 | YE/BK | 846 | Fuel Injector 6 Control |
7 | PK/BK | 1746 | Fuel Injector 3 Control |
8 | TN/D-GN | 2753 | Low Reference |
9 | L-GN/BK | 1745 | Fuel Injector 2 Control |
10 | YE/BK | 844 | Fuel Injector 4 Control |
11 | PU/WH | 424 | IC Timing Signal |
12 | GY | 3112 | HO2S Heater Low Control Sensor 1 (Early Production) |
WH | 3112 | HO2S Heater Low Control Sensor 1 (Late Production) | |
13 | OG/WH | 1676 | EGR Solenoid High Control |
14-15 | -- | -- | Not Used |
16 | D-GN | 435 | EGR Solenoid Low Control |
17 | -- | -- | Not Used |
18 | YE/GY | 469 | MAP Sensor Signal |
19-25 | -- | -- | Not Used |
26 | TN/YE | 630 | Camshaft Position Signal |
27 | PU/WH | 430 | Low Resolution Engine Speed Signal |
28 | L-BU/BK | 647 | Medium Resolution Engine Speed Signal |
29 | TN/L-BU | 2761 | Low Reference |
30 | L-GN | 432 | Low Reference |
31 | BN | 1174 | Oil Level Switch Signal |
32 | -- | -- | Not Used |
33 | GY/BK | 2702 | 5-Volt Reference 1 |
34 | OG/WH | 2704 | 5-Volt Reference 2 |
35-36 | -- | -- | Not Used |
37 | OG/BK | 453 | Low Reference |
38-40 | -- | -- | Not Used |
41 | D-GN/WH | 428 | EVAP Canister Purge Solenoid Control |
42-44 | -- | -- | Not Used |
45 | GY/WH | 23 | Generator Field Duty Cycle Signal |
46 | D-BU | 496 | Knock Sensor Signal 1 |
47 | TN/PK | 3111 | HO2S Low Reference Sensor 1 |
48 | PU/WH | 3110 | HO2S Reference Voltage Sensor 1 |
49-52 | -- | -- | Not Used |
53 | OG | 225 | Generator Turn On Signal |
54 | -- | -- | Not Used |
55 | YE | 410 | ECT Sensor Signal |
56 | -- | -- | Not Used |
57 | TN/BK | 231 | Oil Pressure Switch Signal |
58 | L-BU | 1876 | Knock Sensor 2 Signal |
59-60 | -- | -- | Not Used |
61 | WH | 423 | IC Timing Control |
62-72 | -- | -- | Not Used |
73 | BK/WH | 1551 | Ground |
Powertrain Control Module (PCM) C3
Connector Part Information
|
Terminal Part Information
|
Pin | Wire Color | Circuit No. | Function |
|---|---|---|---|
1-3 | -- | -- | Not Used |
4 | TN/PK | 3121 | HO2S 2 Low Signal |
5 | D-GN | 1227 | TFT Sensor Signal |
6 | RD/YE | 492 | MAF Sensor Signal |
7 | -- | -- | Not Used |
8 | GY/WH | 3122 | HO2S 2 Heater Low Control |
9-10 | -- | -- | Not Used |
11 | OG/BK | 1230 | AT ISS High Signal |
12 | PK/YE | 400 | VSS Signal High |
13-14 | -- | -- | Not Used |
15 | GY | 773 | Transmission Range Switch Signal C |
16-18 | -- | -- | Not Used |
19 | PU | 3120 | HO2S 2 High Signal |
20 | -- | -- | Not Used |
21 | L-GN | 1652 | Reverse Lockout Solenoid Control |
22 | YE | 772 | Transmission Range Switch Signal B |
23 | WH/BK | 776 | Transmission Range Switch Signal P |
24 | WH/BK | 1804 | TCC Release Switch Signal |
25 | -- | -- | Not Used |
26 | TN | 472 | IAT Sensor Signal |
27-32 | -- | -- | Not Used |
33 | L-GN | 1222 | 1-2 Shift Solenoid Valve Control |
34 | TN/WH | 771 | Transmission Range Switch Signal A |
35-38 | -- | -- | Not Used |
39 | TN/BK | 422 | TCC Solenoid Valve Control |
40-43 | -- | -- | Not Used |
44 | PU | 401 | VSS Signal Low |
45 | -- | -- | Not Used |
46 | OG | 1223 | 2-3 Shift Solenoid Valve Control |
47 | OG/WH | 1228 | PC Solenoid Valve High Control |
48 | TN/OG | 452 | Low Reference |
49 | D-BU/WH | 1231 | AT ISS Low Signal |
50 | TN/D-BU | 2760 | Low Reference |
51 | L-BU/WH | 1229 | PC Solenoid Valve Low Control |
52-56 | -- | -- | Not Used |
