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Home >> GMC >> 2022 >> Acadia SLE, 4WD >> Repair and Diagnosis >> Electrical >> Motors, Switches, Relays >> Component Connector End Views (K9 (X2)-K20 (X3)) >> Component Connector End Views >> K20 Engine Control Module X1 (LGX)

K20 Engine Control Module X1 (LGX)

GM2470482Courtesy of GENERAL MOTORS COMPANY
Connector Part Information
  • Harness Type: Engine Wiring Harness
  • OEM Connector: 34566-0194
  • Service Connector: 13574782
  • Description: 73-Way F 0.64, 2.8 Series, Sealed (BK with BU 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 - 3 - - - Not Occupied - -
4 0.5 WH 4499 High Speed GMLAN Serial Data [-] 7 II LGX
5 0.5 BK / VT 1272 Accelerator Pedal Position Low Reference 2 II LGX
6 0.5 YE / WH 1161 Accelerator Pedal Position Signal 1 II LGX
7 0.5 BK / BU 1271 Accelerator Pedal Position Low Reference 1 II LGX
8 0.5 WH 7494 High Speed GMLAN Serial Data [-] 3 II LGX
9 0.5 BK / YE 5382 Brake Position Sensor Low Reference II LGX
10 - 11 - - - Not Occupied - -
12 0.5 WH 2501 High Speed GMLAN Serial Data [-] 1 II LGX
13 0.5 WH / BU 6311 Cruise/ETC/TCC Brake Signal II LGX
14 0.5 WH / GY 459 A/C Compressor Clutch Relay Control II LGX
15 0.5 YE 5991 Powertrain Relay Coil Control II LGX
16 0.5 BN / WH 419 Check Engine Indicator Control II LGX
17 - 19 - - - Not Occupied - -
20 0.5 BU / BN 4498 High Speed GMLAN Serial Data [+] 7 II LGX
21 0.5 BN / RD 1274 Accelerator Pedal Position 5V Reference 2 II LGX
22 0.5 GN / WH 1162 Accelerator Pedal Position Signal 2 II LGX
23 0.5 WH / RD 1164 Accelerator Pedal Position 5V Reference 1 II LGX
24 0.5 BU / BK 7493 High Speed GMLAN Serial Data [+] 3 II LGX
25 0.5 WH / RD 5381 Brake Position Sensor 5V Reference II LGX
26 0.5 WH / GN 5380 Brake Position Sensor Signal II LGX
27 - - - Not Occupied - -
28 0.5 BU 2500 High Speed GMLAN Serial Data [+] 1 II LGX
29 - - - Not Occupied - -
30 0.5 GN / WH 492 Mass Air Flow Sensor Signal II LGX
31 0.5 YE / BK 625 Starter Enable Relay Control II LGX
32 - 38 - - - Not Occupied - -
39 0.5 GY / BU 7564 Humidity Sensor Signal 2 II LGX
40 - 43 - - - Not Occupied - -
44 0.5 BK / WH 2151 Signal Ground II LGX
45 0.5 YE / RD 6031 Brake Vacuum Sensor 5V Reference II LGX
46 0.5 GY 4109 Driver Mode Switch 5V Reference II LGX+URC
47 0.5 BN / RD 2700 A/C Pressure Sensor 5V Reference II LGX
48 - - - Not Occupied - -
49 0.5 VT / BU 5292 Powertrain Main Relay Fused Supply Voltage 3 II LGX
50 0.5 VT / BU 5291 Powertrain Main Relay Fused Supply Voltage 2 II LGX
51 0.5 VT / YE 5985 Accessory Wake-Up Serial Data II LGX
52 0.5 RD / WH 140 Battery Positive Voltage II LGX
53 - 55 - - - Not Occupied - -
56 0.5 YE 4063 Hood Status A Signal II LGX
57 - 63 - - - Not Occupied - -
64 0.5 BU / GY 636 Ambient Air Temperature Sensor Signal II LGX
65 0.5 YE / VT 6030 Brake Vacuum Sensor Signal II LGX
66 0.5 WH / VT 4108 Driver Mode Switch Signal II LGX+URC
67 0.5 GN 380 A/C Refrigerant Pressure Sensor Signal II LGX
68 - - - Not Occupied - -
69 0.5 GN / GY 465 Fuel Pump Primary Relay Control II LGX
70 0.5 YE / VT 4325 Starter Pinion Solenoid Actuator Relay Control II LGX
71 0.5 VT / GY 139 Run/Crank Ignition 1 Voltage II LGX
72 0.5 VT / BU 5291 Powertrain Main Relay Fused Supply Voltage 2 II LGX
73 2.5 VT / BU 5290 Powertrain Main Relay Fused Supply Voltage 1 I LGX
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