| Table 1: | Engine Control Module (ECM) C1 |
| Table 2: | Engine Control Module (ECM) C2 |
| |||||||
|---|---|---|---|---|---|---|---|
Connector Part Information |
| ||||||
Pin | Wire Color | Circuit No. | Function | ||||
1 | -- | -- | Not Used | ||||
2 | GY | 705 | 5 Volt Reference | ||||
3 | D-GN | 890 | Fuel Tank Pressure Sensor Signal | ||||
4 | PU | 420 | Stop Lamp Switch Signal | ||||
5 | GY | 1884 | Cruise Control Set/Coast and Resume/Accelerate Switch Signal (K34) | ||||
6 | -- | -- | Not Used | ||||
7 | PU | 1589 | Fuel Level Sensor Signal | ||||
8 | BN | 4 | Accessory Voltage | ||||
9 | -- | -- | Not Used | ||||
10 | BK | 2759 | Low Reference | ||||
11 | L-BU | 20 | Stop Lamp Switch Signal | ||||
12 | PU | 1807 | ECM Class 2 Serial Data | ||||
13 | TN/WH | 2500 | High Speed GM LAN Serial Data Bus (+) | ||||
14-15 | -- | -- | Not Used | ||||
16 | BN/WH | 419 | MIL Control | ||||
17 | WH | 1310 | EVAP Canister Vent Solenoid Control | ||||
18 | PU | 1807 | ECM Class 2 Serial Data (JM4) | ||||
19 | TN | 2501 | High Speed GM LAN Serial Data Bus (-) | ||||
20 | -- | -- | Not Used | ||||
21 | D-GN/WH | 459 | A/C Compressor Clutch Relay Control (C60) | ||||
22 | OG | 480 | Battery Positive Voltage | ||||
23 | PK | 639 | Ignition 1 Voltage | ||||
24 | -- | -- | Not Used | ||||
25 | D-GN/WH | 465 | Fuel Pump Relay Control | ||||
26 | L-GN | 1887 | Cruise Control Servo Move Direction Signal (K34) | ||||
27 | L-BU | 1888 | Cruise Control Servo Clutch Control (K34) | ||||
28 | PK | 1886 | Cruise Control Servo Move Signal (K34) | ||||
| |||||||
|---|---|---|---|---|---|---|---|
Connector Part Information |
| ||||||
Pin | Wire Color | Circuit No. | Function | ||||
1 | TN | 2501 | High Speed GM LAN Serial Data Bus (-) | ||||
2 | -- | -- | Not Used | ||||
3 | L-GN | 432 | MAP Sensor Signal | ||||
4 | D-BU | 417 | TP Sensor Signal | ||||
5 | -- | -- | Not Used | ||||
6 | RD/BK | 380 | A/C Refrigerant Pressure Sensor Signal (C60) | ||||
7 | YE | 410 | ECT Sensor Signal | ||||
8 | -- | -- | Not Used | ||||
9 | PU | 574 | Low Reference | ||||
10 | YE | 573 | CKP Sensor Signal | ||||
11 | D-BU | 496 | Knock Sensor Signal | ||||
12 | PU | 1666 | HO2S High Signal Sensor 1 | ||||
13 | PU/WH | 1668 | HO2S High Signal Sensor 2 | ||||
14-16 | -- | -- | Not Used | ||||
17 | BN/WH | 633 | CMP Sensor Signal | ||||
18-21 | -- | -- | Not Used | ||||
22 | TN/WH | 2500 | High Speed GM LAN Serial Data Bus (+) | ||||
23 | -- | -- | Not Used | ||||
24 | OG/BK | 469 | Low Reference | ||||
25 | BK | 2752 | Low Reference | ||||
26 | -- | -- | Not Used | ||||
27 | BK | 2751 | Low Reference (C60) | ||||
28 | BK | 2761 | Low Reference | ||||
29-30 | -- | -- | Not Used | ||||
31 | GY | 1716 | Low Reference | ||||
32 | -- | -- | Not Used | ||||
33 | TN | 1667 | HO2S Low Signal Sensor 1 | ||||
34 | TN/WH | 1669 | HO2S Low Signal Sensor 2 | ||||
35-36 | -- | -- | Not Used | ||||
37 | TN/BK | 231 | Oil Pressure Switch Signal | ||||
38 | GY | 23 | Generator Field Duty Cycle Signal | ||||
39-42 | -- | -- | Not Used | ||||
43 | GY | 2704 | 5 Volt Reference | ||||
44 | GY | 2701 | 5 Volt Reference | ||||
45 | -- | -- | Not Used | ||||
46 | GY | 2700 | 5 Volt Reference (C60) | ||||
47 | TN | 472 | IAT Sensor Signal | ||||
48 | D-GN | 1433 | PNP/Clutch Start Switch Signal | ||||
49 | -- | -- | Not Used | ||||
50 | PU | 401 | VSS Signal Low (M86) | ||||
51 | -- | -- | Not Used | ||||
52 | L-BU/BK | 1748 | IAC Coil A Low Control | ||||
53-54 | -- | -- | Not Used | ||||
55 | BK/WH | 1423 | HO2S Heater Low Control Sensor 2 | ||||
56 | BK | 1744 | Fuel Injector 1 Control | ||||
57 | L-GN/BK | 1745 | Fuel Injector 2 Control | ||||
58-60 | -- | -- | Not Used | ||||
61 | WH | 423 | IC Timing Control | ||||
62 | RD | 225 | Generator Turn On Signal | ||||
63 | OG | 406 | IC Timing Control | ||||
64-65 | -- | -- | Not Used | ||||
66 | YE | 447 | Starter Relay Coil Control | ||||
67 | D-GN | 335 | Cooling Fan Relay Control | ||||
68 | -- | -- | Not Used | ||||
69 | BK | 2760 | Low Reference | ||||
70 | YE | 400 | VSS Signal High (M86) | ||||
71 | L-GN/WH | 1749 | IAC Coil B High Control | ||||
72 | L-GN/BK | 444 | IAC Coil B Low Control | ||||
73 | L-BU/WH | 1747 | IAC Coil A High Control | ||||
74 | -- | -- | Not Used | ||||
75 | D-GN | 676 | HO2S Heater High Control Sensor 1 | ||||
76 | D-GN/WH | 428 | EVAP Canister Purge Solenoid Control | ||||
77 | PK/BK | 1746 | Fuel Injector 3 Control | ||||
78 | L-BU/BK | 844 | Fuel Injector 4 Control | ||||
79 | BK/WH | 451 | Ground | ||||
80 | BK/WH | 451 | Ground | ||||
