Connector 1: | Engine Control Module (ECM) C1 |
Connector 2: | Engine Control Module (ECM) C2 |
Connector Part Information
|
Terminal Part Information
|
Pin | Wire Color | Circuit No. | Function |
---|---|---|---|
1 | OG/BK | 1786 | Park/Neutral Signal |
2 | GY/BK | 1694 | 4WD Low Signal (NP8) |
3-8 | -- | -- | Not Used |
9 | L-BU/WH | 6311 | Brake Switch Signal |
10 | PU/WH | 1668 | HO2S High Signal - Bank 1 Sensor 2 |
11 | TN/WH | 1669 | HO2S Low Signal - Bank 1 Sensor 2 |
12 | OG/BK | 380 | A/C Refrigerant Pressure Sensor Signal |
13 | TN | 5514 | Low Reference |
14-15 | -- | -- | Not Used |
16 | PU | 1589 | Fuel Level Sensor Signal - Primary |
17 | D-BU/WH | 473 | High Speed Cooling Fan Relay Control |
18 | D-BU | 5985 | Accessory Wakeup Serial Data |
19 | PK | 439 | Ignition 1 Voltage |
20 | RD/WH | 440 | Battery Positive Voltage |
21-22 | -- | -- | Not Used |
23 | PU | 1272 | Low Reference |
24 | D-GN | 890 | Fuel Tank Pressure Sensor Signal |
25-26 | -- | -- | Not Used |
27 | TN | 2501 | High Speed GMLAN Serial Data Bus - |
28 | TN/BK | 2500 | High Speed GMLAN Serial Data Bus + |
29 | D-BU | 1161 | APP Sensor 1 Signal |
30 | BN | 1271 | Low Reference |
31 | TN/BK | 6049 | Low Reference |
32 | L-BU | 1162 | APP Sensor 2 Signal |
33 | GY | 2709 | 5-Volt Reference |
34 | GY/WH | 2700 | 5-Volt Reference |
35 | -- | -- | Not Used |
36 | TN | 1274 | 5-Volt Reference |
37 | TN/BK | 472 | IAT Sensor Signal |
38 | TN | 2760 | Low Reference |
39-40 | -- | -- | Not Used |
41 | YE | 492 | MAF Sensor Signal |
42-46 | -- | -- | Not Used |
47 | PK/BK | 1339 | Ignition 1 Voltage |
48 | -- | -- | Not Used |
49 | TN | 1671 | HO2S Low Signal - Bank 2 Sensor 2 |
50 | D-GN/WH | 465 | Fuel Pump Relay Control - Primary |
51 | TN | 1465 | Fuel Pump Relay Control - Secondary (Except NQZ) |
52 | YE/BK | 625 | Starter Enable Relay Control |
53-55 | -- | -- | Not Used |
56 | WH/BK | 1164 | 5-Volt Reference |
57 | YE/BK | 1827 | Vehicle Speed Signal (JH6/JH7) |
58 | D-GN | 335 | Low Speed Cooling Fan Relay Control |
59 | YE | 5991 | Powertrain Relay Coil Control |
60 | -- | -- | Not Used |
61 | WH | 1310 | EVAP Canister Vent Solenoid Control |
62 | -- | -- | Not Used |
63 | D-GN/WH | 459 | A/C Compressor Clutch Relay Control |
64 | OG/WH | 3223 | HO2S Heater Low Control - Bank 2 Sensor 2 |
65 | GY/WH | 3122 | HO2S Heater Low Control - Bank 1 Sensor 2 |
66-67 | -- | -- | Not Used |
68 | BN/WH | 419 | MIL Control |
69 | PU | 1670 | HO2S High Signal - Bank 2 Sensor 2 |
70 | -- | -- | Not Used |
71 | OG/BK | 6399 | Replicated TOS Signal |
72 | -- | -- | Not Used |
73 | BK/WH | 451 | Ground |
Connector Part Information
|
Terminal Part Information
|
Pin | Wire Color | Circuit No. | Function |
---|---|---|---|
1 | -- | -- | Not Used |
2 | PU/WH | 6270 | 5-Volt Reference |
3 | GY | 2701 | 5-Volt Reference |
4 | -- | -- | Not Used |
5 | BN | 582 | TAC Motor Control - 2 |
6 | YE | 581 | TAC Motor Control - 1 |
7 | -- | -- | Not Used |
8 | D-GN/WH | 428 | EVAP Canister Purge Solenoid Control |
9 | GY | 5493 | Cylinder 6 Shutoff Solenoid Control 3 (LY5/LMG/L76/LC9) |
10 | D-BU | 5491 | Cylinder 1 Shutoff Solenoid Control 1 (LY5/LMG/L76/LC9) |
11 | OG | 5494 | Cylinder 4 Shutoff Solenoid Control 2 (LY5/LMG/L76/LC9) |
12 | GY/WH | 3113 | HO2S Heater Low Control - Bank 1 Sensor 1 |
13 | L-GN | 3212 | HO2S Heater Low Control - Bank 2 Sensor 1 |
14 | L-GN/BK | 5492 | Cylinder 7 Shutoff Solenoid Control 4 (LY5/LMG/L76/LC9) |
15 | -- | -- | Not Used |
16 | PU | 5284 | Camshaft Actuator Solenoid Control (L76,L92,LY6) |
17 | D-BU/WH | 878 | Fuel Injector 8 Control |
18 | TN/WH | 845 | Fuel Injector 5 Control |
19 | YE/BK | 846 | Fuel Injector 6 Control |
20 | TN | 1744 | Fuel Injector 1 Control |
21 | YE | 410 | ECT Sensor Signal |
22 | TN | 2761 | Low Reference |
23-25 | -- | -- | Not Used |
26 | D-BU | 496 | Knock Sensor 1 Signal |
27 | GY | 1716 | Low Reference |
28 | -- | -- | Not Used |
29 | L-BU | 1876 | Knock Sensor 2 Signal |
30 | GY | 2303 | Low Reference |
31 | -- | -- | Not Used |
32 | GY | 23 | Generator Field Duty Cycle Signal |
33 | BN | 1174 | Oil Level Switch Signal |
34 | BK | 2755 | Low Reference |
35 | TN | 2752 | Low Reference |
36 | -- | -- | Not Used |
37 | L-GN/BK | 1745 | Fuel Injector 2 Control |
38 | PK/BK | 1746 | Fuel Injector 3 Control |
39 | L-BU/BK | 844 | Fuel Injector 4 Control |
40 | OG/BK | 877 | Fuel Injector 7 Control |
41 | GY | 2705 | 5-Volt Reference |
42 | -- | -- | Not Used |
43 | GY | 2704 | 5-Volt Reference |
44 | D-BU | 6259 | 5-Volt Reference |
45-49 | -- | -- | Not Used |
50 | TN/WH | 331 | Oil Pressure Sensor Signal |
51 | -- | -- | Not Used |
52 | TN | 2199 | Low Reference (L76, L92, LY6) |
53 | OG/BK | 469 | Low Reference |
54-55 | -- | -- | Not Used |
56 | TN | 1664 | HO2S Low Signal - Bank 1 Sensor 1 |
57 | PU/WH | 1665 | HO2S High Signal - Bank 1 Sensor 1 |
58 | L-GN | 432 | MAP Sensor Signal |
59 | PU | 1666 | HO2S High Signal - Bank 2 Sensor 1 |
60 | TN | 1667 | HO2S Low Signal - Bank 2 Sensor 1 |
61 | BN | 25 | Charge Indicator Control/Charge Indicator Signal |
62 | -- | -- | Not Used |
63 | PU | 486 | TP Sensor 2 Signal |
64 | D-BU/WH | 6265 | CMP Sensor Signal |
65 | D-GN | 485 | TP Sensor 1 Signal |
66 | BN | 6266 | Low Reference |
67 | -- | -- | Not Used |
68 | WH/BK | 6271 | CKP Sensor Signal |
69 | GY/BK | 6272 | Low Reference |
70 | PU | 2121 | IC 1 Control |
71 | PU/WH | 2128 | IC 8 Control |
72 | OG | 2127 | IC 7 Control |
73 | OG/WH | 2122 | IC 2 Control |
74 | L-BU/WH | 2126 | IC 6 Control |
75 | D-GN | 2125 | IC 5 Control |
76 | D-GN/WH | 2124 | IC 4 Control |
77 | L-BU | 2123 | IC 3 Control |
78 | BN | 2129 | Low Reference |
79 | BN/WH | 2130 | Low Reference |
80 | -- | -- | Not Used |