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Home >> GMC >> 2019 >> Terrain SL >> Repair and Diagnosis (Single Page) >> Quick Lookups >> Wiring Diagrams >> Component Connector End Views (K20 - K40D) >> Component Connector End Views >> K20 Engine Control Module X3 (LH7)

K20 Engine Control Module X3 (LH7)

GM1590948Courtesy of GENERAL MOTORS COMPANY
Connector Part Information
  • Harness Type: Engine
  • OEM Connector: 12582680
  • Service Connector: 88988373
  • Description: 56-Way F MX123 34576 Series (BU with BU Terminal Position Assurance)
Terminal Part Information

Terminal Type ID Terminated Lead Diagnostic Test Probe Terminal Removal Tool Service Terminal Tray Name Core Crimp Insulation Crimp
I 13575812 J-35616-64B (LT BU) J-38125-213 33467-0003 Delphi 23 H H
II 19330179 J-35616-64B (LT BU) J-38125-215A Not Available Not Available Not Available Not Available
Pin Size Color Circuit Function Terminal Type ID Option
1 0.5 BN/WH 3100 DEF Dosing Valve Low Control II -
2 - 5 - - - Not Occupied - -
6 0.5 YE/WH 3200 Throttle Inlet Absolute Pressure Sensor Signal II -
7 0.5 WH/RD 3201 Throttle Inlet Absolute Pressure Sensor 5V Reference II -
8 0.35 BK/GN 580 Engine Control Sensors Low Reference (2) I -
9 - - - Not Occupied - -
10 0.5 BK/BU 6274 Exhaust Gas Recirculation Temperature Sensor Low Reference II -
11 - - - Not Occupied - -
12 0.5 BK/GN 3657 Exhaust Gas Temperature Sensor 3 Low Reference II -
13 0.5 BK/BU 6783 Exhaust Gas Temperature Sensor 2 Low Reference II -
14 0.5 BU/WH 5277 Exhaust Gas Temperature Sensor 1 II -
15 0.5 BN 3099 DEF Dosing Valve High Control II -
16 0.5 GY/WH 3113 Heated Oxygen Sensor Heater Low Control Bank 1 Sensor 1 II -
17 - 18 - - - Not Occupied - -
19 0.5 BK/YE 6275 Exhaust Gas Recirculation Temperature Sensor 2 Low Reference II -
20 0.5 YE/GN 3236 Exhaust Gas Recirculation Temperature Sensor 2 Signal II -
21 - - - Not Occupied - -
22 0.35 BU/GY 636 Outside Ambient Air Temperature Sensor Signal I -
23 - - - Not Occupied - -
24 0.5 WH/BN 3237 Exhaust Gas Recirculation Temperature Sensor Signal II -
25 - - - Not Occupied - -
26 0.5 GY/GN 5378 Exhaust Gas Temperature Sensor 3 II -
27 0.5 BK/BN 6782 Exhaust Gas Temperature Sensor 1 Low Reference II -
28 0.5 BU/GN 5377 Exhaust Gas Temperature Sensor 2 II -
29 - - - Not Occupied - -
30 0.5 YE/BU 1497 Crankcase Ventilation (Blowby) Heater Control Signal II -
31 - - - Not Occupied - -
32 0.5 BN/GY 4008 Humidity Sensor Signal II -
33 0.35 BK/YE 6032 Brake Vacuum Sensor Low Reference II KL9
34 0.35 YE/VT 6030 Brake Vacuum Sensor Signal I KL9
35 0.35 YE/RD 6031 Brake Vacuum Sensor 5V Reference I KL9
36 0.35 GY 4109 Driver Mode Switch 5V Reference I EPH/F48
37 0.35 WH/VT 4108 Driver Mode Switch Signal I EPH/F48
38 - 40 - - - Not Occupied - -
41 0.5 YE/GY 6936 Heated Oxygen Sensor Collector Signal II -
42 0.5 BN 6934 Heated Oxygen Sensor Ground II -
43 0.35 GN/BU 3889 DEF Power Module Relay Control I NDE
44 0.35 VT/BU 6091 Crankshaft Position Sensor Replicated Signal I NKC
45 0.35 BU 3017 Fuel Heater Relay Control 1 I -
46 - 49 - - - Not Occupied - -
50 0.5 WH/RD 6054 Exhaust Pressure Sensor 5V Reference 1 II -
51 0.5 BU 6053 Exhaust Pressure Sensor Signal 1 II -
52 0.5 BK/YE 6055 Exhaust Pressure Sensor Low Reference 1 II -
53 - 54 - - - Not Occupied - -
55 0.5 BN/WH 6933 Heated Oxygen Sensor Current Pump Signal II -
56 0.5 GN 6935 Heated Oxygen Sensor Current Adjust Signal II -
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