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Home >> GMC >> 2021 >> Acadia SL >> Repair and Diagnosis (Single Page) >> Quick Lookups >> Wiring Diagrams >> Component Connector End Views (K9 (X3)-K20 (X2)) >> Component Connector End Views >> K20 Engine Control Module X3 (LCV)

K20 Engine Control Module X3 (LCV)

GM1590596Courtesy of GENERAL MOTORS COMPANY
Connector Part Information
  • Harness Type: Engine
  • OEM Connector: 34566-0203
  • Service Connector: 19333091
  • 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 13587518 J-35616-35 (VT) J-38125-11A
II 19354746 J-35616-64B (LT BU) J-38125-215A
Pin Size Color Circuit Function Terminal Type ID Option
1 - 2 - - - Not Occupied - -
3 0.75 GN / BU 3889 Powertrain Sensor Bus Relay Control II -
4 0.5 GN / BU 428 EVAP Canister Purge Solenoid Control II -
5 - - - Not Occupied - -
6 0.5 BN / RD 2917 Fuel Rail Pressure Sensor 5V Reference II -
7 - 13 - - - Not Occupied - -
14 0.5 WH / RD 3201 Throttle Inlet Absolute Pressure Sensor 5V Reference II -
15 0.5 YE / RD 6031 Brake Vacuum Sensor 5V Reference II -
16 0.5 VT / BU 5294 Powertrain Main Relay Fused Supply Voltage 5 II -
17 - - - Not Occupied - -
18 0.5 BN 25 Charge Indicator Control II -
19 0.5 GY 23 Generator Field Duty Cycle Signal II -
20 0.5 BK / WH 2151 Signal Ground II -
21 0.5 BU / WH 2918 Fuel Rail Pressure Sensor Signal II -
22 0.5 BK / GN 2919 Fuel Rail Pressure Sensor Low Reference II -
23 - 39 - - - Not Occupied - -
40 0.5 GN / WH 432 Manifold Absolute Pressure Sensor Signal II -
41 0.5 BN / GN 1174 Oil Level Switch Signal II -
42 - 45 - - - Not Occupied - -
46 0.5 YE / WH 3200 Throttle Inlet Absolute Pressure Sensor Signal II -
47 - 51 - - - Not Occupied - -
52 0.5 VT / BK 7300 High Pressure Fuel Pump Low Control II -
53 - 54 - - - Not Occupied - -
55 0.5 GN / VT 4621 Engine Control Module LIN Bus 1 II -
56 - 58 - - - Not Occupied - -
59 0.5 BK / GY 2303 Knock Sensor Low Reference 2 II -
60 0.5 WH / GY 1876 Knock Sensor 2 Signal II -
61 0.5 BK / YE 1716 Knock Sensor Low Reference 1 II -
62 0.5 VT / GY 496 Knock Sensor 1 Signal II -
63 - 71 - - - Not Occupied - -
72 0.5 YE 7301 High Pressure Fuel Pump High Control II -
73 2 BK / WH 451 Signal Ground I -