| Table 1: | Engine Control Module (ECM) C1 |
| Table 2: | Engine Control Module (ECM) (PCM) C2 |
| Table 3: | Engine Control Module (ECM) (PCM) C3 |
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|---|---|---|---|---|---|---|---|
Connector Part Information |
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Pin | Wire Color | Circuit No. | Function | ||||
1 | TN/WH | 2500 | High-Speed GMLAN Serial Data Bus (+) | ||||
2 | TN | 2501 | High-Speed GMLAN Serial Data Bus (-) | ||||
3 | -- | -- | Not Used | ||||
4 | BN/WH | 419 | MIL Control | ||||
5-6 | -- | -- | Not Used | ||||
7 | PU | 1272 | Low Reference | ||||
8 | WH/BK | 1164 | 5-Volt Reference B | ||||
9 | -- | -- | Not Used | ||||
10 | BN | 5069 | Powertrain Relay Control | ||||
11-12 | -- | -- | Not Used | ||||
13 | YE/BK | 625 | Starter Enable Relay Control | ||||
14 | PK/BK | 5290 | Ignition 1 Voltage | ||||
15 | -- | -- | Not Used | ||||
16 | D-GN | 1049 | PCM Class 2 Serial Data | ||||
17 | GY | 397 | Cruise Control On Switch Signal | ||||
18 | BN | 1141 | Ignition 3 Voltage | ||||
19 | PK | 439 | Ignition 1 Voltage | ||||
20 | OG | 540 | Battery Positive Voltage | ||||
21 | D-GN | 389 | Vehicle Speed Signal | ||||
22 | L-BU | 1162 | APP Sensor 2 Signal | ||||
23 | -- | -- | Not Used | ||||
24 | D-GN | 890 | Fuel Tank Pressure Sensor Signal | ||||
25 | -- | -- | Not Used | ||||
26 | RD/BK | 380 | A/C Refrigerant Pressure Sensor Signal | ||||
27 | GY/BK | 87 | Cruise Control Resume/Accel/Switch Signal | ||||
28 | -- | -- | Not Used | ||||
29 | BN | 1271 | Low Reference | ||||
30 | GY | 2700 | 5-Volt Reference | ||||
31 | GY | 2709 | 5-Volt Reference | ||||
32 | WH | 17 | Stop Lamp Switch Signal | ||||
33 | D-BU | 84 | Cruise Control Set/Cruise Control Switch Signal | ||||
34 | -- | -- | Not Used | ||||
35 | TN | 1274 | 5-Volt Reference A | ||||
36 | D-GN | 335 | Low Speed Cooling Fan Relay Control | ||||
37 | PU | 1589 | Fuel Level Sensor Signal | ||||
38-40 | -- | -- | Not Used | ||||
41 | D-BU | 1161 | APP Sensor 1 Signal | ||||
42-44 | -- | -- | Not Used | ||||
45 | D-GN/WH | 465 | Fuel Pump Relay Control | ||||
46-47 | -- | -- | Not Used | ||||
48 | WH | 121 | Engine Speed Signal | ||||
49-53 | -- | -- | Not Used | ||||
54 | WH | 1310 | EVAP Canister Vent Solenoid Control | ||||
55 | BK | 2751 | Low Reference | ||||
56 | D-BU | 473 | High Speed Cooling Fan Relay Control | ||||
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|---|---|---|---|---|---|---|---|
Connector Part Information |
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Pin | Wire Color | Circuit No. | Function | ||||
1 | -- | -- | Not Used | ||||
2 | BK/WH | 3113 | HO2S Heater Low Control Sensor | ||||
3 | -- | -- | Not Used | ||||
4 | D-BU/WH | 878 | Fuel Injector 8 Control | ||||
5 | BK | 1744 | Fuel Injector 1 Control | ||||
6 | L-GN/BK | 1745 | Fuel Injector 2 Control | ||||
7 | RD/BK | 877 | Fuel Injector 7 Control | ||||
8 | L-BU/BK | 844 | Fuel Injector 4 Control | ||||
9 | PK/BK | 1746 | Fuel Injector 3 Control | ||||
10 | BK/WH | 845 | Fuel Injector 5 Control | ||||
11-12 | -- | -- | Not Used | ||||
13 | YE/BK | 846 | Fuel Injector 6 Control | ||||
14 | YE | 1868 | Low Reference | ||||
15 | PK/BK | 632 | Low Reference | ||||
16 | BN | 2129 | Low Reference | ||||
17 | OG | 5494 | Cylinder 4 Shutoff Solenoid Control | ||||
18 | GY | 5493 | Cylinder 6 Shutoff Solenoid Control | ||||
19 | -- | -- | Not Used | ||||
20 | OG/BK | 469 | Low Reference | ||||
21 | BK | 2755 | Low Reference | ||||
22-23 | -- | -- | Not Used | ||||
24 | TN/WH | 331 | Oil Pressure Switch Signal | ||||
25 | -- | -- | Not Used | ||||
26 | BN/WH | 633 | CMP Sensor Signal | ||||
27 | BN | 1174 | Oil Level Switch Signal | ||||
28 | -- | -- | Not Used | ||||
29 | PU | 486 | TP Sensor 2 Signal | ||||
30 | -- | -- | Not Used | ||||
31 | D-GN | 485 | TP Sensor 1 Signal | ||||
32 | -- | -- | Not Used | ||||
33 | D-BU | 5491 | Cylinder 1 Shutoff Solenoid Control | ||||
34 | L-GN | 5492 | Cylinder 7 Shutoff Solenoid Control | ||||
35 | GY | 2704 | 5-Volt Reference | ||||
36 | BK/WH | 1704 | Low Reference | ||||
37 | GY | 2705 | 5-Volt Reference | ||||
38-40 | -- | -- | Not Used | ||||
41 | L-BU/BK | 1688 | 5-Volt Reference B | ||||
42 | -- | -- | Not Used | ||||
43 | L-GN | 1867 | 12-Volt Reference | ||||
44 | RD | 631 | 12-Volt Reference | ||||
45 | GY | 23 | Generator Field Duty Cycle Signal | ||||
46 | L-GN | 432 | MAP Sensor Signal | ||||
47 | -- | -- | Not Used | ||||
48 | PU/WH | 1665 | HO2S High Signal | ||||
49 | TN | 1664 | HO2S Low Signal | ||||
50 | D-GN/WH | 428 | EVAP Canister Purge Solenoid Control | ||||
51 | -- | -- | Not Used | ||||
52 | BK | 2761 | Low Reference | ||||
53 | RD | 2127 | IC 7 Control | ||||
54 | PU | 2121 | IC 1 Control | ||||
55 | YE | 410 | ECT Sensor Signal | ||||
56 | RD | 225 | Generator Turn On Signal | ||||
57 | L-BU/WH | 2126 | IC 6 Control | ||||
58 | D-GN/WH | 2124 | IC 4 Control | ||||
59 | D-GN | 2125 | IC 5 Control | ||||
60 | BN | 582 | TAC Motor Control 2 | ||||
61 | L-BU | 2123 | IC 3 Control | ||||
62 | D-BU/WH | 1869 | CKP Sensor Signal | ||||
63 | YE | 581 | TAC Motor Control 1 | ||||
64 | BN/WH | 2130 | Low Reference | ||||
65 | PU/WH | 2128 | IC 8 Control | ||||
66 | RD/WH | 2122 | IC 2 Control | ||||
67 | -- | -- | Not Used | ||||
68 | D-BU | 496 | Knock Sensor 1 Signal | ||||
69 | GY | 1716 | Low Reference | ||||
70 | -- | -- | Not Used | ||||
71 | GY | 2303 | Low Reference | ||||
72 | L-BU | 1876 | Knock Sensor 2 Signal | ||||
73 | BK | 451 | Ground | ||||
| |||||||
|---|---|---|---|---|---|---|---|
Connector Part Information |
| ||||||
Pin | Wire Color | Circuit No. | Function | ||||
1 | -- | -- | Not Used | ||||
2 | BN | 2391 | HO2S Heater Low Control - Sensor 2 | ||||
3-5 | -- | -- | Not Used | ||||
6 | OG | 6030 | Brake Booster Vacuum Signal | ||||
7-10 | -- | -- | Not Used | ||||
11 | YE | 492 | MAF Sensor Signal | ||||
12-14 | -- | -- | Not Used | ||||
15 | GY | 6031 | 5-Volt Reference A | ||||
16-17 | -- | -- | Not Used | ||||
18 | TN/WH | 1669 | HO2S Low Signal | ||||
19 | PU/WH | 1668 | HO2S High Signal | ||||
20-21 | -- | -- | Not Used | ||||
22 | OG/BK | 1786 | Park/Neutral Signal | ||||
23 | -- | -- | Not Used | ||||
24 | BK | 2760 | Low Reference | ||||
25-33 | -- | -- | Not Used | ||||
34 | TN | 472 | IAT Sensor Signal | ||||
35 | -- | -- | Not Used | ||||
36 | YE/BK | 6032 | Low Reference | ||||
37 | -- | -- | Not Used | ||||
38 | TN/BK | 464 | Delivered Torque Signal | ||||
39-44 | -- | -- | Not Used | ||||
45 | RD | 381 | Vehicle Speed Signal | ||||
46 | -- | -- | Not Used | ||||
47 | OG/BK | 463 | Requested Torque Signal | ||||
48 | -- | -- | Not Used | ||||
49 | BK | 2759 | Low Reference | ||||
50 | -- | -- | Not Used | ||||
51 | D-GN/WH | 459 | A/C Compressor Clutch Relay Control | ||||
52-56 | -- | -- | Not Used | ||||
