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Home >> Cadillac >> 2005 >> XLR >> Repair and Diagnosis (Single Page) >> Electrical >> Body Electrical >> OEM Connector End Views >> Engine Control Module (ECM) Connector End Views >> Engine Control Module (ECM) Connector End View - C3
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Engine Control Module (ECM) Connector End View - C3

Engine Control Module (ECM) - C3

GM1283894Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • OEM: 15430218
  • Service: See Catalog
  • 56-Way F Micro-Pack 64 Series (GY)
Pin Wire Color Circuit No. Function
1 PU 3110 HO2S Reference Voltage Bank 1 Sensor 1
2 TN/WH 3111 HO2S Low Reference Bank 1 Sensor 1
3 PU/WH 5281 HO2S Output Pump Current Bank 1 Sensor 1
4-11 - - Not Used
12 D-BU 1936 Fuel Level Sensor Signal - Primary
13 GY/WH 3122 HO2S Heater Low Control Bank 1 Sensor 2
14-15 - - Not Used
16 OG/BK 3223 HO2S Heater Low Control Bank 2 Sensor 2
17 - - Not Used
18 OG/BK 1786 Park/Neutral Signal
19 TN/WH 3121 HO2S Low Signal Bank 1 Sensor 2
20 PU 3220 HO2S High Signal Bank 2 Sensor 2
21 TN 3221 HO2S Low Signal Bank 2 Sensor 2
22 OG 5280 HO2S Input Pump Current Bank 1 Sensor 1
23 BN 1174 Oil Level Switch Signal
24 L-BU 1937 Fuel Level Sensor Signal - Secondary
25 TN/WH 331 Oil Pressure Sensor Signal
26-36 - - Not Used
37 TN 808 Low Reference
38 BK 2755 Low Reference
39 - - Not Used
40 GY/WH 3113 HO2S Heater Low Control Bank 1 Sensor 1
41 L-GN 3212 HO2S Heater Low Control Bank 2 Sensor 1
42 GY 2709 5-Volt Reference
43 PU 3120 HO2S High Signal Bank 1 Sensor 2
44 D-GN 890 Fuel Tank Pressure Sensor Signal
45 PU/WH 3210 HO2S Reference Voltage Bank 2 Sensor 1
46 TN/WH 3211 HO2S Low Reference Bank 2 Sensor 1
47 - - Not Used
48 WH 5279 HO2S Output Pump Current Bank 2 Sensor 1
49 L-GN 5278 HO2S Input Pump Current Bank 2 Sensor 1
50 - - Not Used
51 GY 2705 5-Volt Reference
52-56 - - Not Used