| 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 (+) |
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 | Low 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 | 5-Volt 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 |
Powertrain Control Module (PCM) C2
Connector Part Information
|
Terminal Part Information
|
Pin | Wire Color | Circuit No. | Function |
|---|---|---|---|
1 | OG | 225 | Generator Turn On Signal |
2 | D-GN | 485 | TP Sensor 1 Signal |
3-5 | -- | -- | Not Used |
6 | GY | 2701 | 5-Volt Reference |
7 | PU | 486 | TP Sensor 2 Signal |
8 | GY | 2704 | 5-Volt Reference |
9 | L-BU/BK | 1688 | 5-Volt Reference |
10-16 | -- | -- | Not Used |
17 | YE | 573 | Crankshaft Position Sensor Signal (1) |
18 | PU | 574 | Crankshaft Position Sensor Low Reference (1) |
19 | -- | -- | Not Used |
20 | OG/BK | 469 | CKP Sensor B Signal |
21-24 | -- | -- | Not Used |
25 | TN/WH | 3121 | HO2S Low Signal Bank 1 Sensor 2 |
26 | BN/WH | 633 | Camshaft Position Signal |
27-31 | -- | -- | Not Used |
32 | TN/WH | 3111 | HO2S Low Reference Bank 1 Sensor 1 |
33 | TN | 1744 | Fuel Injector 1 Control |
34 | -- | -- | Not Used |
35 | YE | 410 | ECT Sensor Signal |
36 | TN/WH | 1704 | Low Reference |
37 | L-GN | 432 | MAP Sensor Signal |
38 | -- | -- | Not Used |
39 | TN | 2752 | Low Reference |
40 | WH | 423 | IC Timing Control |
41 | YE | 492 | MAF Sensor Signal |
42 | -- | -- | Not Used |
43 | GY/WH | 3122 | HO2S Heater Low Control Sensor 1 |
44 | -- | -- | Not Used |
45 | GY | 23 | Generator Field Duty Cycle Signal |
46 | PU | 3120 | HO2S High Signal Sensor 2 |
47 | -- | -- | Not Used |
48 | PU/WH | 3110 | HO2S Reference Voltage Sensor 1 |
49-50 | -- | -- | Not Used |
51 | TN | 472 | IAT Sensor Signal |
52 | TN | 2761 | Low Reference |
53 | PK/BK | 1746 | Fuel Injector 3 Control |
54 | L-GN/BK | 1745 | Fuel Injector 2 Control |
55 | L-BU/BK | 844 | Fuel Injector 4 Control |
56-57 | -- | -- | Not Used |
58 | GY/WH | 3113 | HO2S Heater Low Control Sensor 1 |
59 | OG | 406 | IC Timing Control B |
60-63 | -- | -- | Not Used |
64 | TN/BK | 2760 | Low Reference |
65 | BN | 582 | TAC Motor Control 2 |
66 | YE | 581 | TAC Motor Control 1 |
67 | -- | -- | Not Used |
68 | D-BU | 496 | Knock Sensor Signal |
69 | GY | 1716 | Low Reference |
70-72 | -- | -- | Not Used |
73 | BK/WH | 451 | Ground |
Powertrain Control Module (PCM) C3
Connector Part Information
|
Terminal Part Information
|
Pin | Wire Color | Circuit No. | Function |
|---|---|---|---|
1 | -- | -- | Not Used |
2 | GY | 773 | Transmission Range Switch Signal C |
3-5 | -- | -- | Not Used |
6 | OG/BK | 1228 | PC Solenoid Valve High Control (Sol. A) |
7 | YE/BK | 1227 | TFT Sensor Signal |
8-10 | -- | -- | Not Used |
11 | OG/BK | 1230 | AT ISS High Signal |
12-14 | -- | -- | Not Used |
15 | TN/BK | 231 | Oil Pressure Switch Signal |
16 | -- | -- | Not Used |
17 | TN | 2762 | Low Reference |
18-19 | -- | -- | Not Used |
20 | TN/WH | 771 | Transmission Range Switch Signal A |
21-28 | -- | -- | Not Used |
29 | YE | 657 | Transmission Fluid Pressure Sensor Signal |
30 | OG | 1226 | Transmission Fluid Pressure Switch Signal C |
31-32 | -- | -- | Not Used |
33 | L-GN | 1222 | Shift Solenoid Valve 1 High Control |
34 | -- | -- | Not Used |
35 | YE/BK | 1223 | Shift Solenoid Valve 2 High Control |
36 | -- | -- | Not Used |
37 | D-GN/WH | 428 | EVAP Canister Purge Solenoid Control |
39 | BN | 418 | TCC PWM Solenoid Valve Control |
40-42 | -- | -- | Not Used |
43 | D-BU | 1225 | Transmission Fluid Pressure Switch Signal B |
44 | PU | 401 | Vehicle Speed Sensor Low Reference |
45 | YE | 400 | Vehicle Speed Sensor Signal |
46-47 | -- | -- | Not Used |
48 | L-BU/WH | 1229 | PC Solenoid Valve Low Control (Sol. A) |
49 | D-BU/WH | 1231 | A/T ISS Low Signal |
50 | YE | 772 | Transmission Range Switch Signal B |
51 | -- | -- | Not Used |
52 | WH | 776 | Transmission Range Switch Signal P |
53-56 | -- | -- | Not Used |
