| Connector 1: | Powertrain Control Module (PCM) C1 |
| Connector 2: | Powertrain Control Module (PCM) C2 |
| Connector 3: | Powertrain Control Module (PCM) C3 (MU3) |
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 | PU | 1272 | Low Reference |
9 | -- | -- | Not Used |
10 | D-BU | 473 | High Speed Cooling Fan Relay Control |
11 | -- | -- | Not Used |
12 | PU | 1589 | Fuel Level Sensor Signal |
13 | PK/BK | 5293 | Ignition 1 Voltage |
14 | L-BU | 6118 | IAT 2 Sensor Signal |
15 | -- | -- | Not Used |
16 | D-GN | 1049 | ECM/PCM/VCM Class 2 Serial Data |
17 | GY | 2700 | 5-Volt Reference - 1 |
18 | BN | 4 | Accessory Voltage |
19 | PK/BK | 1039 | Ignition 1 Voltage |
20 | RD/WH | 840 | 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 | TN | 2759 | Low Reference |
30 | WH/BK | 1164 | 5-Volt Reference - B |
31 | -- | -- | Not Used |
32 | L-BU | 20 | Stop Lamp Switch Signal |
33 | -- | -- | Not Used |
34 | PK | 2014 | Coolant Pump Relay Control |
35-36 | -- | -- | Not Used |
37 | D-GN/WH | 465 | Fuel Pump Relay Control |
38 | BN | 5069 | Powertrain Relay Control |
39 | -- | -- | Not Used |
40 | BN/WH | 419 | MIL Control |
41 | L-BU | 1162 | APP Sensor 2 Signal |
42 | -- | -- | Not Used |
43 | TN | 1274 | 5-Volt Reference - 1 |
44-45 | -- | -- | Not Used |
46 | PU | 420 | TCC Brake Switch/Cruise Control Release Signal |
47 | GY | 2709 | 5-Volt Reference - 1 |
48 | YE | 447 | Starter Relay Coil Control |
49-50 | -- | -- | Not Used |
51 | D-GN | 335 | Low Speed Cooling Fan Relay Control |
52 | -- | -- | Not Used |
53 | BN/WH | 379 | CPP Switch Signal |
54 | D-GN | 1433 | PNP/Clutch Start Switch Signal |
55 | -- | -- | Not Used |
56 | BK/WH | 2751 | Ground |
Powertrain Control Module (PCM) C2
Connector Part Information
|
Terminal Part Information
|
Pin | Wire Color | Circuit No. | Function |
|---|---|---|---|
1 | RD | 225 | Generator Turn On Signal |
2 | D-GN | 485 | TP Sensor 1 Signal |
3 | -- | -- | Not Used |
4 | GY | 596 | 5-Volt Reference - 1 |
5 | GY | 2704 | 5-Volt Reference - 1 |
6 | GY | 2701 | 5-Volt Reference - 1 |
7 | PU | 486 | TP Sensor 2 Signal |
8 | D-GN | 6291 | 5-Volt Reference - 2 |
9 | L-BU/BK | 1688 | 5-Volt Reference - 2 |
10-15 | -- | -- | Not Used |
16 | PU | 6413 | Low Reference |
17 | YE | 573 | CKP Sensor [1] Signal |
18 | PU | 574 | Low Reference |
19 | -- | -- | Not Used |
20 | D-GN/WH | 6292 | Low Reference |
21 | PK/BK | 632 | Low Reference |
22-24 | -- | -- | Not Used |
25 | TN/WH | 1669 | HO2S Low Signal Bank 1 Sensor (2) |
26 | BN/WH | 633 | CMP Sensor Signal |
27-28 | -- | -- | Not Used |
29 | GY | 1724 | Boost Control Solenoid Control |
30 | OG/BK | 469 | Low Reference |
31 | -- | -- | Not Used |
32 | TN | 1667 | HO2S Low Signal Bank 2 Sensor (1) |
33 | BK | 1744 | Fuel Injector (1) Control |
34 | -- | -- | Not Used |
35 | YE | 410 | ECT Sensor Signal |
36 | BK/WH | 1704 | Low Reference |
37 | GY | 6337 | MAP Sensor Signal |
38 | L-GN | 432 | SCIP Sensor Signal |
39 | BK | 2752 | Low Reference |
40 | BN/WH | 6405 | IC 1 Control |
41 | YE | 492 | MAF Sensor Signal |
42 | D-GN/WH | 6407 | IC 4 Control |
43 | BK/WH | 1423 | HO2S Heater Low Control Bank 1 Sensor (2) |
44 | -- | -- | Not Used |
45 | GY | 23 | Generator Field Duty Cycle Signal |
46 | PU/WH | 1668 | HO2S High Signal Bank 1 Sensor (2) |
47 | -- | -- | Not Used |
48 | PU | 1666 | HO2S High Signal Bank 2 Sensor (1) |
49-50 | -- | -- | Not Used |
51 | TN | 472 | IAT Sensor Signal |
52 | BK | 2761 | Low Reference |
53 | L-GN/BK | 1745 | Fuel Injector 2 Control |
54 | L-BU/BK | 844 | Fuel Injector 4 Control |
55 | PK/BK | 1746 | Fuel Injector 3 Control |
56-57 | -- | -- | Not Used |
58 | D-GN | 676 | HO2S Heater High Control Bank 1 Sensor (1) |
59 | D-BU/WH | 6406 | IC 3 Control |
60 | L-BU/WH | 6408 | IC 2 Control |
61-63 | -- | -- | Not Used |
64 | 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 (1) Signal |
69 | GY | 1716 | Knock Sensor Signal |
70-72 | -- | -- | Not Used |
73 | BK/WH | 451 | Ground |
Powertrain Control Module (PCM) C3 (MU3)
Connector Part Information
|
Terminal Part Information
|
Pin | Wire Color | Circuit No. | Function |
|---|---|---|---|
1-9 | -- | -- | Not Used |
10 | TN | 891 | Boost Gage Signal |
11-14 | -- | -- | Not Used |
15 | TN/BK | 231 | Oil Pressure Switch Signal |
16-21 | -- | -- | Not Used |
22 | WH/BK | 2932 | 5-Volt Reference - 1 |
23-30 | -- | -- | Not Used |
31 | GY/BK | 433 | BARO Sensor Signal |
32-35 | -- | -- | Not Used |
36 | OG/BK | 6014 | Low Reference |
37 | D-GN/WH | 428 | EVAP Canister Purge Solenoid Control |
38-43 | -- | -- | Not Used |
44 | PU | 401 | VSS Low Signal |
45 | YE | 400 | VSS High Signal |
46-56 | -- | -- | Not Used |
