| 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 | KS Low Reference Bank 2 |
2 | -- | -- | Not Used |
3 | L-GN | 5278 | HO2S Input Pump Current Sensor 1 |
4 | OG | 5275 | CMP Sensor Signal - Intake Bank 1 |
5 | GY | 605 | 5-Volt Reference 1 |
6 | -- | -- | Not Used |
7 | TN | 470 | Low Reference |
8 | PU | 486 | TP Sensor 2 Signal |
9 | D-GN/WH | 2124 | Ignition Control 4 |
10 | WH/BK | 5039 | CKP Sensor Signal |
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 | BN | 582 | TAC Motor Control - 2 |
16 | GY/WH | 3113 | HO2S Heater Low Control Sensor 1 |
17 | GY | 1716 | KS Low Reference Bank 1 |
18 | -- | -- | Not Used |
19 | PU/WH | 1665 | HO2S High Signal |
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 | Ignition Control 6 |
26 | OG/WH | 2122 | Ignition Control 2 |
27-28 | -- | -- | Not Used |
29 | PU | 5284 | Actuator Solenoid Control - Intake Bank 1 |
30 | WH/BK | 5283 | Actuator Solenoid Control - Exhaust Bank 2 |
31 | YE | 581 | TAC Motor Control - 1 |
32 | -- | -- | Not Used |
33 | D-BU | 496 | KS Signal Bank 1 |
34 | -- | -- | Not Used |
35 | WH | 5279 | HO2S Pump Current |
36 | PU | 5274 | CMP Sensor Signal - Exhaust Bank 2 |
37 | BN | 1174 | Oil Level Switch Signal |
38 | D-GN/WH | 357 | Oil Temperature Sensor Signal |
39 | TN | 2752 | Low Reference |
40 | TN/BK | 231 | Engine Oil Pressure Switch Signal |
41 | D-GN | 2125 | Ignition Control 5 |
42 | PU | 2121 | Ignition Control 1 |
43 | OG | 225 | Generator Turn On Signal |
44 | -- | -- | Not Used |
45 | L-BU/BK | 844 | Fuel Injector 4 Control |
46 | PK/BK | 1746 | Fuel Injector 3 Control |
47 | TN/WH | 845 | Fuel Injector 5 Control |
48 | D-GN/WH | 428 | EVAP Canister Purge Solenoid Valve Control |
49 | GY/BK | 1798 | Ground |
50 | L-BU | 1876 | KS Signal Bank 2 |
51 | -- | -- | Not Used |
52 | TN | 1664 | HO2S Low Signal |
53 | YE | 5276 | CMP Sensor Signal Intake Bank 2 |
54 | GY | 2701 | 5-Volt Reference |
55 | D-GN | 485 | TP Sensor 1 Signal |
56 | L-GN/BK | 5266 | MAP Sensor Signal |
57 | GY | 705 | 5-Volt Reference 2 |
58 | L-BU | 2123 | Ignition Control 3 |
59 | PU/WH | 5024 | Low Reference |
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 | 39 | Ignition 1 Voltage |
2 | BK/WH | 3122 | HO2S Heater Low Control Sensor 2 |
3 | PK | 439 | 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 2 |
8 | PU | 1272 | Low Reference |
9 | RD/BK | 380 | A/C Refrigerant Pressure Sensor Signal |
10 | WH | 17 | Stop Lamp Switch Signal |
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 | 39 | Ignition 1 Voltage |
18 | -- | -- | Not Used |
19 | D-GN/WH | 465 | Fuel Pump Relay Control |
20 | D-GN | 335 | Low Speed Cooling Fan Relay Control |
21 | -- | -- | Not Used |
22 | D-GN | 389 | Vehicle Speed Signal |
23 | D-BU | 6105 | High Speed GMLAN Serial Data Bus + |
24 | BN | 5069 | Main Relay Control |
25 | BK | 2759 | Low Reference |
26 | BK | 2760 | Low Reference |
27-28 | -- | -- | Not Used |
29 | PU | 3120 | HO2S High Signal |
30-31 | -- | -- | Not Used |
32 | OG/BK | 1786 | Park/Neutral Signal |
33 | WH | 1310 | EVAP Canister Vent Solenoid Control |
34 | -- | -- | Not Used |
35 | YE/BK | 625 | Starter Enable Relay Control |
36 | OG | 540 | Battery Positive Voltage |
37 | TN/BK | 464 | Delivered Torque Signal |
38 | -- | -- | Not Used |
39 | GY | 2709 | 5-Volt Reference 2 |
40 | BN | 1271 | Low Reference |
41 | -- | -- | Not Used |
42 | PU | 1589 | Fuel Level Sensor Signal |
43 | YE | 492 | MAF Sensor Signal |
44 | L-BU | 1162 | APP Sensor 2 Signal |
45-47 | -- | -- | Not Used |
48 | D-GN | 1049 | ECM Class 2 Serial Data |
49 | D-GN/WH | 459 | A/C Compressor Clutch Relay Control |
50 | BN/WH | 419 | MIL Control |
51-54 | -- | -- | Not Used |
55 | L-BU | 6106 | High Speed GMLAN Serial Data Bus - |
56 | TN | 1274 | 5-Volt Reference 1 |
57 | TN/WH | 3121 | HO2S Low Signal |
58 | BN | 1141 | Ignition 3 Voltage |
59 | GY | 1884 | Cruise Control Set/Coast and Resume/Accelerate Switch Signal |
60 | D-BU | 1161 | APP Sensor 1 Signal |
61-64 | -- | -- | Not Used |
