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Home >> Chevrolet >> 2022 >> Corvette 2D Convertible >> Repair and Diagnosis >> Electrical >> Wiring Diagrams >> Component Connector End Views (K9 - K20 (X3)) >> Component Connector End Views >> K20 Engine Control Module X2

K20 Engine Control Module X2

GM1968294Courtesy of GENERAL MOTORS COMPANY
Connector Part Information
  • Harness Type:Engine Wiring Harness
  • OEM Connector: 34566-1303
  • Service Connector: 13574947
  • Description: 73-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 19354746 J-35616-64B (L-BU) J-38125-215A
Pin Size Color Circuit Function Terminal Type ID Option
1 0.5 GN/YE 3212 HO2S Heater Low Control Bank 2 Sensor 1 II -
2 - - - Not Occupied - -
3 0.5 BK/YE 548 Engine Control Sensors Low Reference 1 II -
4 - 6 - - - Not Occupied - -
7 0.5 GN/WH 4622 Engine Control Module LIN Bus 2 II -
8 0.5 GN/VT 4621 Engine Control Module LIN Bus 1 II -
9 - 11 - - - Not Occupied - -
12 0.5 YE/BU 2124 Ignition Control 4 II -
13 0.5 BN/BU 2126 Ignition Control 6 II -
14 - 16 - - - Not Occupied - -
17 0.5 GY/WH 3113 HO2S Heater Low Control Bank 1 Sensor 1 II -
18 - - - Not Occupied - -
19 - BK/GN 7982 Particulate Filter Exhaust Gas Temperature Sensor 2 Low Reference I -
20 - GN 7981 Particulate Filter Exhaust Gas Temperature Sensor 2 Signal I -
21 - - - Not Occupied - -
22 - BK/GY 7984 Particulate Filter Exhaust Gas Temperature Sensor 3 Low Reference I -
23 - GY 7983 Particulate Filter Exhaust Gas Temperature Sensor 3 Signal I -
24 - BK/BU 7980 Particulate Filter Exhaust Gas Temperature Sensor 1 Low Reference I -
25 - BU 7979 Particulate Filter Exhaust Gas Temperature Sensor 1 Signal I -
26 - 27 - - - Not Occupied - -
28 0.5 GN/BU 2123 Ignition Control 3 II -
29 0.5 BU/GY 2125 Ignition Control 5 II -
30 0.5 BK/GY 2130 Ignition Control Low Reference Bank 2 II -
31 - 32 - - - Not Occupied - -
33 - WH/BN 3223 HO2S Heater Low Control Bank 2 Sensor 2 I -
34 - - - Not Occupied - -
35 0.5 BU 179 Engine Oil Pump Control II -
36 - - - Not Occupied - -
37 0.5 VT/BU 5294 Powertrain Main Relay Fused Supply Voltage 5 II -
38 - - - Not Occupied - -
39 0.5 WH/RD 480 Engine Control Vehicle Sensors 5 Volt Reference 1 II -
40 - 45 - - - Not Occupied - -
46 - YE/BU 3221 HO2S Low Signal Bank 2 Sensor 2 I -
47 - VT/GN 3220 HO2S High Signal Bank 2 Sensor 2 I -
48 - 49 - - - Not Occupied - -
50 0.5 BK/GY 2303 Knock Sensor Low Reference 2 II -
51 0.5 BK/YE 1716 Knock Sensor Low Reference 1 II -
52 0.5 BN/WH 582 Throttle Actuator Close Control II -
53 - GY/WH 3122 HO2S Heater Low Control Bank 1 Sensor 2 I -
54 - 56 - - - Not Occupied - -
57 0.5 GY 5493 Cylinder Deactivation Solenoid Valve Control 3 II -
58 - 59 - - - Not Occupied - -
60 0.5 GN/YE 4623 Engine Control Module LIN Bus 3 II -
61 - 65 - - - Not Occupied - -
66 - WH/YE 3121 HO2S Low Signal Bank 1 Sensor 2 I -
67 - VT/BU 3120 HO2S High Signal Bank 1 Sensor 2 I -
68 - 69 - - - Not Occupied - -
70 0.5 WH/GY 1876 Knock Sensor 2 Signal II -
71 0.5 VT/GY 496 Knock Sensor 1 Signal II -
72 0.5 YE 581 Throttle Actuator Open Control II -
73 2 BK/WH 1051 Signal Ground I -
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