| Connector 1: | Engine Control Module (ECM) C1 |
| Connector 2: | Engine Control Module (ECM) C2 |
Engine Control Module (ECM) C1
Connector Part Information
|
Terminal Part Information
|
Pin | Wire Color | Circuit No. | Function |
|---|---|---|---|
1 | TN | 407 | Knock Sensor Signal 2 |
2 | OG | 5280 | HO2S Input Pump Current - Bank 2 Sensor 1 |
3 | L-GN | 5278 | HO2S Input Pump Current - Bank 1 Sensor 1 |
4 | OG | 5275 | CMP Sensor Signal - Intake Bank 1 |
5 | GY | 605 | 5-Volt Reference A |
6 | -- | -- | Not Used |
7 | TN | 470 | Low Reference |
8 | PU | 486 | TP Sensor 2 Signal |
9 | D-GN/WH | 2124 | IC 4 Control |
10 | WH/BK | 5039 | CKP Sensor High |
11 | -- | -- | Not Used |
12 | OG/BK | 5272 | CMP Actuator Solenoid Control - Intake Bank 2 |
13 | L-GN | 5282 | CMP Actuator Solenoid Control - Exhaust Bank 1 |
14 | -- | -- | Not Used |
15 | TN | 582 | TAC Motor Control - 2 |
16 | GY/WH | 3113 | HO2S Heater Low Control - Bank 1 Sensor 1 |
17 | GY | 1716 | Knock Sensor Signal 1 |
18 | TN | 1667 | HO2S Low Signal - Bank 2 Sensor 1 |
19 | PU/WH | 1665 | HO2S High Signal - Bank 1 Sensor 1 |
20 | D-GN | 5273 | CMP Sensor Signal - Exhaust Bank 1 |
21 | GY | 23 | Generator Field Duty Cycle Signal |
22 | -- | -- | Not Used |
23 | YE | 410 | ECT Sensor Signal |
24 | -- | -- | Not Used |
25 | L-BU/WH | 2126 | IC 6 Control |
26 | OG/WH | 2122 | IC 2 Control |
27-28 | -- | -- | Not Used |
29 | PK | 5284 | CMP Actuator Solenoid Control - Intake Bank 1 |
30 | WH/BK | 5283 | CMP Actuator Solenoid Control - Exhaust Bank 2 |
31 | YE | 581 | TAC Motor Control - 1 |
32 | L-GN | 3212 | HO2S Heater Low Control - Bank 2 Sensor 1 |
33 | D-BU | 496 | Knock Sensor 1 Signal |
34 | PU | 1666 | HO2S High Signal - Bank 2 Sensor 1 |
35 | WH | 5279 | HO2S Pump Current - Bank 1 Sensor 1 |
36 | PU | 5274 | CMP Sensor Signal - Exhaust Bank 2 |
37-38 | -- | -- | Not Used |
39 | TN | 2752 | Low Reference |
40 | TN/BK | 231 | Oil Pressure Switch Signal |
41 | D-GN | 2125 | IC 5 Control |
42 | PU | 2121 | IC 1 Control |
43 | OG | 225 | Generator Turn On Signal |
44 | D-BU/BK | 5041 | IMRC Solenoid Control |
45 | D-BU/BK | 844 | Fuel Injector 4 Control |
46 | PK/BK | 1746 | Fuel Injector 3 Control |
47 | TN/WH | 845 | Fuel Injector 5 Control |
48 | L-GN/WH | 428 | EVAP Canister Purge Solenoid Control |
49 | GY/BK | 1798 | Drain Wire |
50 | L-BU | 1876 | Knock Sensor 2 Signal |
51 | PU/WH | 5281 | HO2S Pump Current - Bank 2 Sensor 1 |
52 | TN | 1664 | HO2S Low Signal - Bank 1 Sensor 1 |
53 | YE | 5276 | CMP Sensor Signal - Intake Bank 2 |
54 | GY | 2701 | 5-Volt Reference C |
55 | D-GN | 485 | TP Sensor 1 Signal |
56 | OG/BK | 5266 | BARO Sensor Signal |
57 | GY | 705 | 5-Volt Reference B |
58 | L-BU | 2123 | IC 3 Control |
59 | PU/WH | 5024 | CKP Sensor Low |
60-61 | -- | -- | Not Used |
62 | L-GN/BK | 1745 | Fuel Injector 2 Control |
63 | TN | 1744 | Fuel Injector 1 Control |
64 | YE/BK | 846 | Fuel Injector 6 Control |
Engine Control Module (ECM) C2
Connector Part Information
|
Terminal Part Information
|
Pin | Wire Color | Circuit No. | Function |
|---|---|---|---|
1 | PK/BK | 5290 | Ignition 1 Voltage |
2 | GY/WH | 3122 | HO2S Heater Low Control - Bank 1 Sensor 2 |
3 | PK | 239 | Ignition 1 Voltage |
4 | D-BU | 473 | High Speed Cooling Fan Relay Control |
5 | WH | 121 | Engine Speed Signal |
6 | -- | -- | Not Used |
7 | WH/BK | 1164 | 5-Volt Reference A |
8 | PU | 1272 | Low Reference |
9 | OG/BK | 380 | A/C Refrigerant Pressure Sensor Signal |
10 | OG | 5371 | BAS Relay Coil Supply Voltage |
11 | TN | 472 | IAT Sensor Signal |
12 | D-GN | 890 | Fuel Tank Pressure Sensor Signal |
13-14 | -- | -- | Not Used |
15 | OG/BK | 463 | Requested Torque Signal |
16 | -- | -- | Not Used |
17 | PK/BK | 5290 | Ignition 1 Voltage |
18 | OG/WH | 3223 | HO2S Heater Low Control - Bank 2 Sensor 2 |
19 | D-GN/WH | 465 | Fuel Pump Relay Control |
20 | D-GN | 335 | Low Speed Cooling Fan Relay Control |
21 | -- | -- | Not Used |
22 | BN | 818 | Vehicle Speed Signal |
23 | WH | 2500 | High Speed GMLAN Serial Data Bus+ (M82) |
24 | BN | 5069 | MAIN Relay Control |
25 | TN | 452 | Low Reference |
26 | TN | 2760 | Low Reference |
27 | L-BU | 1937 | Fuel Level Sensor Signal - Secondary |
28 | -- | -- | Not Used |
29 | PU/WH | 1668 | HO2S High Signal - Bank 1 Sensor 2 |
30 | -- | -- | Not Used |
31 | YE | 5 | Crank Voltage |
32 | OG/BK | 1786 | Park/Neutral Signal (M82) |
33 | WH | 1310 | EVAP Canister Vent Solenoid Control |
34 | -- | -- | Not Used |
35 | YE | 447 | Starter Relay Coil Control |
36 | RD/WH | 1440 | Battery Positive Voltage |
37 | TN/BK | 464 | Delivered Torque Signal |
38 | -- | -- | Not Used |
39 | GY | 596 | 5-Volt Reference A |
40 | BN | 1271 | Low Reference |
41 | TN | 1671 | HO2S Low Signal - Bank 2 Sensor 2 |
42 | D-BU | 1936 | Fuel Level Sensor Signal - Primary |
43 | YE | 492 | MAF Sensor Signal |
44 | L-BU | 1162 | APP Sensor 2 Signal |
45-46 | -- | -- | Not Used |
47 | YE/BK | 5270 | Engine Drag Control Signal |
48 | PU | 1807 | Class 2 Serial Data |
49 | D-GN/WH | 459 | A/C Compressor Clutch Relay Control |
50 | BN/WH | 419 | MIL Control |
51 | -- | -- | Not Used |
52 | PU | 5128 | Auxiliary Cooling Fan Relay Control |
53 | BN/WH | 379 | CPP Switch Signal |
54 | -- | -- | Not Used |
55 | D-GN | 2501 | High Speed GMLAN Serial Data Bus- (MV1) |
56 | TN | 1274 | 5-Volt Reference C |
57 | TN/WH | 1669 | HO2S Low Signal - Bank 1 Sensor 2 |
58 | YE | 343 | Accessory Voltage |
59 | GY | 1884 | Cruise Control Switch Signal |
60 | D-BU | 1161 | APP Sensor Signal 1 |
61 | PU | 1670 | HO2S High Signal - Bank 2 Sensor 2 |
62 | -- | -- | Not Used |
63 | GY | 847 | Extended Travel Brake Switch Signal |
64 | YE | 400 | Signal High - Front/VSS High Signal/OSS High Signal |
