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

K20 Engine Control Module X3 (LTG)

GM1590596Courtesy of GENERAL MOTORS COMPANY
Connector Part Information
  • Harness Type: Engine
  • OEM Connector: 12582678
  • Service Connector: 88988372
  • 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 Service Terminal Tray Name Core Crimp Insulation Crimp
I 13579770 J-35616-4A (PU) J-38125-11A 7116-4152-02 Yazaki 9 2 5
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 GY/WH 3113 Heated Oxygen Sensor Heater Low Control Bank 1 Sensor 1 II LTG-NF5
2 - 3 - - - Not Occupied - -
4 0.5 GN/BU 428 EVAP Canister Purge Solenoid Control II LTG-NF5
5 - - - Not Occupied - -
6 0.5 BN/RD 2917 Fuel Rail Pressure Sensor 5V Reference II LTG-NF5
7 - - - Not Occupied - -
8 0.35 YE/RD 2709 Fuel Tank Pressure Sensor 5V Reference II LTG+NTB/NUB-NF5
9 - 13 - - - Not Occupied - -
14 0.5 BK/VT 7331 Pre Throttle Air Temp and Press (TMAP) 5V Reference II LTG-NF5
15 0.35 YE/RD 6031 Brake Vacuum Sensor 5V Reference II KL9+LTG-NF5
16 0.5 VT/BU 5294 Powertrain Main Relay Fused Supply 5 II LTG-NF5
17 - - - Not Occupied - -
18 0.5 BN 25 Charge Indicator Control II LTG-NF5
19 0.5 GY 23 Generator Field Duty Cycle Signal II LTG-NF5
20 0.5 BK/GN 580 Engine Control Sensors Low Reference (2) II LTG-NF5
21 0.5 BU/WH 2918 Fuel Rail Pressure Sensor Signal II LTG-NF5
22 0.5 BK/GN 2919 Fuel Rail Pressure Sensor Low Reference II LTG-NF5
23 - 29 - - - Not Occupied - -
30 0.5 GY/RD 7332 Pre Throttle Air Temp and Press (TMAP) Low Reference II LTG-NF5
31 - 34 - - - Not Occupied - -
35 0.5 GN 6935 Heated Oxygen Sensor Current Adjust Signal II LTG-NF5
36 0.5 YE/GY 6936 Heated Oxygen Sensor Collector Signal II LTG-NF5
37 0.5 BN/WH 6933 Heated Oxygen Sensor Current Pump Signal II LTG-NF5
38 0.5 BN 6934 Heated Oxygen Sensor Ground II LTG-NF5
39 - - - Not Occupied - -
40 0.5 GN/WH 432 Manifold Absolute Pressure Sensor Signal II LTG-NF5
41 0.5 BN/GN 1174 Oil Level Switch Signal II LTG-NF5
42 - - - Not Occupied - -
43 0.35 BU/VT 1589 Primary Fuel Level Sensor Signal II LTG-NF5
44 0.35 BU/WH 1937 Secondary Fuel Level Sensor Signal II F48+LTG-NF5
45 - - - Not Occupied - -
46 0.5 VT/BU 7330 Pre Throttle Air Temp and Press (TMAP) Air Pressure Signal II LTG-NF5
47 0.5 WH/BU 7329 Pre-Throttle Air Temp and Press (TMAP) Temperature Signal II LTG-NF5
48 0.5 YE 3054 Turbo Intake Pressure Sensor Signal Bank 1 II LTG-NF5
49 - 51 - - - Not Occupied - -
52 0.5 VT/BK 7300 High Pressure Fuel Pump Actuator Low - Control II LTG-NF5
53 - 54 - - - Not Occupied - -
55 0.35 GN/VT 4621 Local Interconnect Network Serial Data Bus 21 II LTG+M3H-NF5
56 - 58 - - - Not Occupied - -
59 0.5 BK/GY 2303 Knock Sensor Low Reference 2 II LTG-NF5
60 0.5 WH/GY 1876 Knock Sensor Signal 2 II LTG-NF5
61 0.5 BK/YE 1716 Knock Sensor Low Reference 1 II LTG-NF5
62 0.5 VT/GY 496 Knock Sensor Signal 1 II LTG-NF5
63 - 67 - - - Not Occupied - -
68 0.35 BU/WH 890 Fuel Tank Pressure Sensor Signal II LTG+NTB/NUB-NF5
69 - - - Not Occupied - -
70 0.35 WH 1579 Fuel Temperature/Composition Signal II FHR/FHS+LTG-NF5
71 - - - Not Occupied - -
72 0.5 YE 7301 High Pressure Fuel Pump Actuator High - Control II LTG-NF5
73 2 BK/WH 151 Signal Ground I LTG-NF5
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