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K20 Engine Control Module X2 (LIH)

GM4690378Courtesy of GENERAL MOTORS COMPANY
Connector Part Information
  • Harness Type: Engine Wiring Harness
  • OEM Connector: 34576-1303
  • Service Connector: 19366869
  • Description: 49-Way F 0.64, 2.8 Series, Sealed (BK with BK Terminal Position Assurance)
Terminal Part Information

Terminal Type ID Terminated Lead Diagnostic Test Probe Terminal Removal Tool
I 13587518 J-35616-35 (VT) J-38125-11A
II 19351723 J-35616-64B (L-BU) J-38125-213
Pin Size Color Circuit Function Terminal Type ID Option
1 0.5 GY / WH 3122 HO2S Heater Low Control Bank 1 Sensor 2 II  
2 - 5 - - - Not Occupied - -
6 0.5 GN / WH 4622 Engine Control Module LIN Bus 2 II  
7 0.5
0.5
GN / VT
GN / VT
4621
4621
Engine Control Module LIN Bus 1
Engine Control Module LIN Bus 1
II
II
KL9/VRI
-KL9-VRI
8 - - - Not Occupied - -
9 0.5 BN / WH 6933 HO2S Pump Current Signal II  
10 0.5 YE / GY 6936 HO2S Signal II  
11 0.75 GY / WH 3113 HO2S Heater Low Control Bank 1 Sensor 1 II  
12 - 15 - - - Not Occupied - -
16 0.5 YE / GY 3926 Crankcase Differential Pressure Sensor Signal II  
17 - 18 - - - Not Occupied - -
19 0.5 GN 6935 HO2S Pump Current Trim Signal II  
20 0.5 BN 6934 HO2S Ground II  
21 0.5 GN 3060 Turbocharger Bypass Solenoid Valve Control Bank 1 II  
22 - - - Not Occupied - -
23 0.5 BU 179 Engine Oil Pump Control II  
24 0.5 WH / RD 480 Engine Control Vehicle Sensors 5 Volt Reference 1 II  
25 0.5 WH / YE 3121 HO2S Low Signal Bank 1 Sensor 2 II  
26 - - - Not Occupied - -
27 0.5 GN / BN 2732 Engine Control Module LIN Bus 4 II  
28 - - - Not Occupied - -
29 0.5 BK / YE 1716 Knock Sensor Low Reference 1 II  
30 - - - Not Occupied - -
31 0.5 VT / BU 5294 Powertrain Main Relay Fused Supply Voltage 5 II  
32 0.5 BK / YE 548 Engine Control Sensors Low Reference 1 II  
33 - - - Not Occupied - -
34 0.5 BN / WH 582 Throttle Actuator Close Control II  
35 0.5 BN / YE 258 Turbocharger Wastegate Solenoid Valve Control II  
36 0.5 GY / GN 3216 Turbocharger Boost Control Solenoid Valve Control II  
37 0.5 WH / BK 6377 Fan 3 Control II  
38 0.5 BU / RD 460 Engine Control Sensors 5 Volt Reference 1 II  
39 0.5 VT / BU 3120 HO2S High Signal Bank 1 Sensor 2 II  
40 - 42 - - - Not Occupied - -
43 0.5 VT / GY 496 Knock Sensor 1 Signal II  
44 - 45 - - - Not Occupied - -
46 0.5 WH / BU 7329 Pre-Throttle Air Temperature Signal II  
47 - - - Not Occupied - -
48 0.5 YE 581 Throttle Actuator Open Control II  
49 2.5 BK / WH 151 Signal Ground I