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Home >> Buick >> 2007 >> Allure CXS >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System & Fuel System - 3.6L - Introduction (2 Of 2) >> Component Locator >> Engine Control Module Connectors >> Engine Control Module (ECM) C2
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Engine Control Module (ECM) C2

Fig 1: Connector End View
GM1522872Courtesy of GENERAL MOTORS CORP.
Engine Control Module Connector End Views

Connector Part Information 
  • OEM: 1 928 403 514
  • Service: See Catalog
  • Description: 64-Way F (BK)
Terminal Part Information 
  • Pins: 1- 5, 7-12, 15, 17, 19, 20, 22-26, 29, 32, 33, 35- 37, 39, 40, 42-44, 48-50, 55-60
  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit
Engine Control Module (ECM) C2

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