LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Pontiac >> 2006 >> G6 GTP, 2D Convertible >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - 3.9L - Introduction (2 Of 2) >> Component Locator >> Engine Control Module (ECM) Connector End Views >> Engine Control Module (ECM) C3
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Engine Control Module (ECM) C3

Fig 1: Connector End Views
GM1335545Courtesy of GENERAL MOTORS CORP.
Engine Control Module (ECM) C3 Connector End Views

Connector Part Information 
  • OEM: 15492353
  • Service: 88988615 (M15)
  • Description:73-Way F Receptacle 0.64 2.8 Sealed (D-GY)

Terminal Part Information 
  • Pins: 3-6
  • Terminal/Tray: 33467-0005/23
  • Core/Insulation Crimp: K/K
  • Release Tool/Test Probe: J-38125-213/J-35616-64B (L-BU)
  • Pins: 7, 15, 18, 21, 23-24, 29, 32-33, 35, 37, 39, 43, 46, 48-50, 53, 55, 57, 59, 64, 66-67
  • Terminal/Tray: 33467-0003/23
  • Core/Insulation Crimp: H/H
  • Release Tool/Test Probe: J-38125-213/J-35616-64B (L-BU)
Engine Control Module (ECM) C3

Pin Wire Color Circuit No. Function
1-2 - - Not Available
3 TN/WH 3211 HO2S Low Reference (Bank 2 Sensor 1)
4 PU/WH 3210 HO2S Reference Voltage (Bank 2 Sensor 1)
5 PU 3220 HO2S High Signal (Bank 2 Sensor 2)
6 TN 3221 HO2S Low Signal (Bank 2 Sensor 2)
7 OG 225 Generator Turn On Signal
8-14 - - Not Available
15 L-GN 3212 HO2S Heater Low Signal (Bank 2 Sensor 1)
16-17 - - Not Available
18 BN 1174 Oil Level Switch Signal
19-20 - - Not Available
21 TN 5514 Low Reference
22 - - Not Available
23 OG/BK 469 Low Reference
24 BK/WH 2759 Low Reference
25-26 - - Not Available
27 D-GN/WH 6294 Low Reference (MT2)
28 - - Not Available
29 GY 23 Generator Field Duty Cycle Signal
30-31 - - Not Available
32 OG 6392 Variable Tuning Signal
33 TN 2501 High Speed GMLAN Serial Data Bus -
34 - - Not Available
35 TN 2761 Low Reference
36 - - Not Available
37 GY 2700 5-Volt Reference B
38 - - Not Available
39 GY 2704 5-Volt Reference A
40-42 - - Not Available
43 D-GN 6293 5-Volt Reference A (MT2)
44-45 - - Not Available
46 OG/BK 1786 Park/Neutral Signal (M15)
47 - - Not Available
48 D-GN/WH 428 EVAP Canister Purge Solenoid Control
49 D-GN 335 Low Speed Cooling Fan Relay Control
50 OG/WH 3223 HO2S Heater Low Control (Bank 2 Sensor 2)
51-52 - - Not Available
53 TN/BK 2500 High Speed GMLAN Serial Data Bus +
54 - - Not Available
55 YE 410 ECT Sensor Signal
56 - - Not Available
57 OG/BK 380 A/C Refrigerant Pressure Sensor Signal
58 - - Not Available
59 L-GN 432 MAP Sensor Signal
60-63 - - Not Available
64 YE/BK 6806 IMT Fan Position Signal
65 - - Not Available
66 YE 400 VSS High Signal
67 PU 401 VSS Low Signal
68-72 - - Not Available
73 - - Not Used