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Home >> Pontiac >> 2007 >> G6 Base, 2.4 B >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System & Fuel System - 2.4L - Introduction (2 Of 2) >> Component Locator >> Engine Control Module Connector End Views >> Engine Control Module (ECM) C2
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Engine Control Module (ECM) C2

Fig 1: Engine Control Module (ECM) C2 Connector End View
GM1673472Courtesy of GENERAL MOTORS CORP.
Engine Control Module (ECM) C2 Connector Part Information

Connector Part Information 
  • OEM: 15492352
  • Service: See Catalog
  • Description: 73-Way F MX123 Series (BK)
Terminal Part Information 
  • Pins: 1, 10, 27, 29, 44, 46, 64, 66, 68, 69
  • Terminal/Tray: 33467-0003/23
  • Core/Insulation Crimp: H/H
  • Release Tool/Test Probe: J-38125-213/J-35616-64B (L-BU)
  • Pins: 2-5, 11-13, 8-9, 42, 62, 67, 72
  • Terminal/Tray: 33467-0005/23
  • Core/Insulation Crimp: Pins 2-5, 11-13 - K/K
  • Core/Insulation Crimp: Pins 8-9, 42, 62, 67, 72 - J/J
  • Release Tool/Test Probe: J-38125-213/J-35616-64B (L-BU)
  • Pins: 14, 17, 20, 23, 30, 32-33, 35-36, 39, 43, 48, 50, 53, 56, 59, 63, 71
  • Terminal/Tray: 33467-0003/23
  • Core/Insulation Crimp: H/H
  • Release Tool/Test Probe: J-38125-213/J-35616-64B (L-BU)
  • Pins: 73
  • Terminal/Tray: 7116-4152-02/9
  • Core/Insulation Crimp: 2/5
  • Release Tool/Test Probe: 12094430/J-35616-35 (VT)
Engine Control Module (ECM) C2 Connector Terminal Identification

Pin Wire Color Circuit No. Function
1 PU 2121 IC 1 Control
2 TN/WH 3111 HO2S Heater Low Control (Sensor 1)
3 PU/WH 3110 HO2S High Signal (Sensor 1)
4 PU 3120 HO2S Reference Voltage (Sensor 2)
5 TN/WH 3121 HO2S Low Reference (Sensor 2)
6-7 - - Not Used
8 D-BU 496 Knock Sensor Signal
9 GY 1716 Knock Sensor Signal B
10 - - Not Used
11 YE 581 TAC Motor Control 1
12 BN 582 TAC Motor Control 2
13 PK/BK 5290 Ignition 1 Voltage
14 PU 5284 CMP Actuator Solenoid Control Intake
15-16 - - Not Used
17 L-BU 2123 IC 3 Control
18-19 - - Not Used
20 GY 5296 Low Reference
21-22 - - Not Used
23 TN 5301 Low Reference
24-26 - - Not Used
27 PU 574 Low Reference
28 - - Not Used
29 TN 2752 Low Reference
30 L-GN 5282 Low Reference
31 - - Not Used
32 L-GN/BK 1745 Fuel Injector 2 Control
33 D-GN/WH 2124 IC 4 Control
34 - - Not Used
35 BN 2129 Low Reference
36 YE/BK 5297 5-Volt Reference 2
37-38 - - Not Used
39 D-BU 5300 5-Volt Reference 2
40-41 - - Not Used
42 TN/BK 2760 Low Reference
43 L-GN 2867 5-Volt Reference 3
44 GY 2701 5-Volt Reference 2
45 - - Not Used
46 TN 2199 Low Reference
47 - - Not Used
48 PK/BK 1746 Fuel Injector 3 Control
49 - - Not Used
50 TN 452 CMP Actuator Solenoid Control Exhaust
51-52 - - Not Used
53 OG/WH 2122 IC 2 Control
54-55 - - Not Used
56 D-GN 5273 CMP Sensor Signal
57-58 - - Not Used
59 OG 5275 CMP Sensor Signal
60-61 - - Not Used
62 TN 472 IAT Sensor Signal
63 YE 573 CKP Sensor Signal
64 D-GN 485 TP Sensor 1 Signal
65 - - Not Used
66 PU 486 TP Sensor 2 Signal
67 YE 492 MAF Sensor Signal
68 GY/WH 3113 HO2S Heater Low Control (Sensor 1)
69 GY/WH 3122 HO2S Heater Low Control (Sensor 2)
70 - - Not Used
71 L-BU/BK 844 Fuel Injector 4 Control
72 TN 1744 Fuel Injector 1 Control
73 BK/WH 451 Ground
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