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Home >> GMC >> 2021 >> Terrain SL >> Repair and Diagnosis (Single Page) >> Quick Lookups >> Wiring Diagrams >> Component Connector End Views (K20-K36) >> Component Connector End Views >> K20 Engine Control Module X3 (LTG)

K20 Engine Control Module X3 (LTG)

GM1650395Courtesy of GENERAL MOTORS COMPANY
Connector Part Information
  • Harness Type: Engine Harness
  • OEM Connector: 12672862
  • Service Connector: Not Available
  • Description: 73 -Way F 0.64, 2.8 Series, Sealed (BK with GY Terminal Position Assurance)
Terminal Part Information

Terminal Type ID Terminated Lead Diagnostic Test Probe Terminal Removal Tool
I 19354746 J-35616-64B (LT BU) J-38125-215A
II Pending J-35616-35 (VT) J-38125-11A
Pin Size Color Circuit Function Terminal Type ID Option
1 0.5 GY / WH 3113 HO2S Heater Low Control Bank 1 Sensor 1 I LTG
2 - - - Not Occupied - -
3 0.5 VT / GN 3889 Powertrain Sensor Bus Relay Control I LTG
4 0.5 GN / BU 428 EVAP Canister Purge Solenoid Control I LTG
5 - - - Not Occupied - -
6 0.5 BN / RD 2917 Fuel Rail Pressure Sensor 5V Reference I LTG
7 - 13 - - - Not Occupied - -
14 0.5 BK / VT 7331 Turbocharger Inlet Absolute Pressure Sensor 5 Volt Reference 2 I LTG
15 0.5 YE / RD 6031 Brake Vacuum Sensor 5V Reference I KL9+LTG
16 0.5 VT / BU 5294 Powertrain Main Relay Fused Supply Voltage 5 I LTG
17 - - - Not Occupied - -
18 0.5 BN 25 Charge Indicator Control I LTG
19 0.5 GY 23 Generator Field Duty Cycle Signal I LTG
20 0.5 BK / GN 580 Engine Control Sensors Low Reference 2 I LTG
21 0.5 BU / WH 2918 Fuel Rail Pressure Sensor Signal I LTG
22 0.5 BK / GN 2919 Fuel Rail Pressure Sensor Low Reference I LTG
23 - 29 - - - Not Occupied - -
30 0.5 GY / RD 7332 Turbocharger Inlet Absolute Pressure Sensor 5 Volt Feedback Signal 2 I LTG
31 - 34 - - - Not Occupied - -
35 0.5 GN 6935 HO2S Pump Current Trim Signal I LTG
36 0.5 YE / GY 6936 HO2S Signal I LTG
37 0.5 BN / WH 6933 HO2S Pump Current Signal I LTG
38 0.5 BN 6934 HO2S Ground I LTG
39 - - - Not Occupied - -
40 0.5 GN / WH 432 Manifold Absolute Pressure Sensor Signal I LTG
41 0.5 BN / GN 1174 Oil Level Switch Signal I -
42 - 45 - - - Not Occupied - -
46 0.5 VT / BU 7330 Turbocharger Inlet Absolute Pressure Sensor Signal 2 I LTG
47 0.5 WH / BU 7329 Pre-Throttle Air Temperature Signal I LTG
48 0.5 YE 3054 Turbocharger Intake Pressure Sensor Signal Bank 1 I LTG
49 - 51 - - - Not Occupied - -
52 0.5 VT / BK 7300 High Pressure Fuel Pump Low Control I LTG
53 - 54 - - - Not Occupied - -
55 0.5 GN / VT 4621 Engine Control Module LIN Bus 1 I LTG+(VTI/KL9)-M3H
56 - 58 - - - Not Occupied - -
59 0.5 BK / GY 2303 Knock Sensor Low Reference 2 I LTG
60 0.5 WH / GY 1876 Knock Sensor 2 Signal I LTG
61 0.5 BK / YE 1716 Knock Sensor Low Reference 1 I LTG
62 0.5 VT / GY 496 Knock Sensor 1 Signal I LTG
63 - 71 - - - Not Occupied - -
72 0.5 YE 7301 High Pressure Fuel Pump High Control I LTG
73 2 BK / WH 151 Signal Ground II LTG