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Home >> Buick >> 2019 >> Regal Base >> Repair and Diagnosis (Single Page) >> Quick Lookups >> Wiring Diagrams >> Component Connector End Views (K8 (X2)-K20 (X3)) >> Component Connector End Views >> K20 Engine Control Module X1 (LGX)

K20 Engine Control Module X1 (LGX)

GM2889071Courtesy of GENERAL MOTORS COMPANY
Connector Part Information
  • Harness Type:Engine
  • OEM Connector: 34566-1503
  • Service Connector: 13574946
  • 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 135877518 J-35616-64B (LT BU) J-38125-215A
II 19351723 J-35616-35 (VT) 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 I -
5 0.35 BK / VT 1272 Accelerator Pedal Position Low Reference 2 I -
6 0.35 YE / WH 1161 Accelerator Pedal Position Signal 1 I -
7 0.35 BK / BU 1271 Accelerator Pedal Position Low Reference 1 I -
8 0.5 WH 7494 High Speed GMLAN Serial Data [-] 3 I -
9 0.35 BK / YE 5382 Brake Position Sensor Low Reference I -
10 - 11 - - - Not Occupied - -
12 0.5 WH 2501 High Speed GMLAN Serial Data [-] 1 I -
13 0.35 WH / BU 6311 Cruise/ETC/TCC Brake Signal I -
14 0.35 WH / GY 459 A/C Compressor Clutch Relay Control I -
15 0.5 YE 5991 Powertrain Relay Coil Control I -
16 0.35 BN / WH 419 Check Engine Indicator Control I -
17 0.35 WH 2368 Cooling Fan Control Signal I -
18 - 19 - - - Not Occupied - -
20 0.5 BU / BN 4498 High Speed GMLAN Serial Data [+] 7 I -
21 0.35 BN / RD 1274 Accelerator Pedal Position 5V Reference 2 I -
22 0.35 GN / WH 1162 Accelerator Pedal Position Signal 2 I -
23 0.35 WH / RD 1164 Accelerator Pedal Position 5V Reference 1 I -
24 0.5 BU / BK 7493 High Speed GMLAN Serial Data [+] 3 I -
25 0.35 WH / RD 5381 Brake Position Sensor 5V Reference I -
26 0.35 WH / GN 5380 Brake Position Sensor Signal I -
27 - - - Not Occupied - -
28 0.5 BU 2500 High Speed GMLAN Serial Data [+] 1 I -
29 - - - Not Occupied - -
30 0.5 GN / WH 492 Mass Air Flow Sensor Signal I -
31 0.35 YE / BK 625 Starter Enable Relay Control I -
32 - 33 - - - Not Occupied - -
34 0.35 GY 5127 After Boil Heater Relay Control I -
35 - 38 - - - Not Occupied - -
39 0.5 BN / GY 4008 Humidity Sensor Signal I -
40 0.5 YE / BU 4171 Transmission Position Sensor A 9V Reference I -
41 - 43 - - - Not Occupied - -
44 0.5 BK / GN 580 Engine Control Sensors Low Reference 2 I -
45 0.35 YE / RD 6031 Brake Vacuum Sensor 5V Reference I -
46 - - - Not Occupied - -
47 0.35 BN / RD 2700 A/C Pressure Sensor 5V Reference I -
48 - - - Not Occupied - -
49 0.5 VT / BU 5292 Powertrain Main Relay Fused Supply 3 I -
50 0.5 VT / BU 5291 Powertrain Main Relay Fused Supply 2 I -
51 0.5 VT / YE 5985 Accessory Wake-Up Serial Data I -
52 0.5 RD / WH 140 Battery Positive Voltage I -
53 - 55 - - - Not Occupied - -
56 0.35 YE 4063 Hood Status A Signal I -
57 - 59 - - - Not Occupied - -
60 0.5 WH / BU 5726 Ignition Mode Switch Mode Control Backup I -
61 - 63 - - - Not Occupied - -
64 0.5 BU / GY 636 Outside Ambient Air Temperature Sensor Signal I -
65 0.35 YE / VT 6030 Brake Vacuum Sensor Signal I -
66 - - - Not Occupied - -
67 0.35 GN 380 A/C Refrigerant Pressure Sensor Signal I -
68 - - - Not Occupied - -
69 0.35 GN / GY 465 Fuel Pump Primary Relay Control I -
70 0.35 YE / VT 4325 Starter Pinion Solenoid Relay Control I -
71 0.5 VT / GN 439 Run/Crank Ignition 1 Voltage I -
72 0.75 VT / BU 5292 Powertrain Main Relay Fused Supply 3 I -
73 2.5 VT / BU 5290 Powertrain Main Relay Fused Supply 1 II -
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