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Home >> Cadillac >> 2014 >> XTS Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 108 (Wiring Systems And Power Management - Component Connector End Views - F115B To K43 (X1)) >> Component Connector End Views - F115B To K43 (X1) >> K20 Engine Control Module X2 Connector End View (L77)
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K20 Engine Control Module X2 Connector End View (L77)

WARNING: This page is about a different car, the 2014 Chevrolet Caprice. However, it is still accessible from the selected car via links, so may be relevant.
GM1968294
Connector Part Information
  • Harness Type: Engine
  • OEM Connector: 12603599
  • Service Connector: 13579724
  • 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 Core Crimp Insulation Crimp
I 19119437 J-35616-35 (VT) J-38125-561 Not Available Not Available Not Available Not Available
K20 Engine Control Module X2 Connector End View (L77)

Pin Size Color Circuit Function Terminal Type ID Option
1 - - - Not Occupied - -
2 0.5 VT/BU 6270 Crankshaft 60X Sensor Voltage I L77/LS3
3 0.5 BN/RD 2701 Throttle Position Sensor 5 Volt Reference I L77/LS3
4 - - - Not Occupied - -
5 0.75 BN/WH 582 Throttle Actuator Control Close I L77/LS3
6 0.75 YE 581 Throttle Actuator Control Open I L77/LS3
7 - - - Not Occupied - -
8 0.5 GN/BU 428 EVAP Canister Purge Solenoid Control I L77/LS3
9 0.5 GY 5493 Cylinder Shutoff Solenoid Control (3) I L77+MYC
10 0.5 BU 5491 Cylinder Shutoff Solenoid Control (1) I L77+MYC
11 0.5 YE/BU 5494 Cylinder Shutoff Solenoid Control (4) I L77+MYC
12 0.5 GY/WH 3113 Heated Oxygen Sensor Heater Low Control Bank 1 Sensor (1) I EF7/Z49+L77/LS3
13 0.5 GN/YE 3212 Heated Oxygen Sensor Heater Low Control Bank 2 Sensor (1) I EF7/Z49+L77/LS3
14 0.5 GN 5492 Cylinder Shutoff Solenoid Control (2) I L77+MYC
15-16 - - - Not Occupied - -
17 0.75 BN/GY 878 Fuel Injector Control (8) I L77/LS3
18 0.75 BN/GN 845 Fuel Injector Control (5) I L77/LS3
19 0.75 BN/BU 846 Fuel Injector Control (6) I L77/LS3
20 0.75 GN/YE 1744 Fuel Injector Control (1) I L77/LS3
21 0.5 BU 410 Engine Coolant Temperature Sensor Signal I L77/LS3
22 0.5 BK/BN 2761 Coolant Temperature Sensor Low Reference I L77/LS3
23 0.5 BN/BU 357 Oil Temperature Sensor Signal I L77/LS3
24 0.5 BK/BN 6273 Oil Temperature Sensor Low Reference I L77/LS3
25 - - - Not Occupied - -
26 0.5 VT/GY 496 Knock Sensor Signal (1) I L77/LS3
27 0.5 BK/YE 1716 Knock Sensor Low Reference (1) I L77/LS3
28 - - - Not Occupied - -
29 0.5 WH/GY 1876 Knock Sensor Signal (2) I L77/LS3
30 0.5 BK/GY 2303 Knock Sensor Low Reference (2) I L77/LS3
31 - - - Not Occupied - -
32 0.5 GY 23 Generator Field Duty Cycle Signal I L77/LS3
33 0.5 BN/GN 1174 Oil Level Switch Signal I L77/LS3
34 0.5 BK/VT 2755 Oil Pressure Sensor Low Reference I L77/LS3
35 0.5 BK/BN 2752 Throttle Position Sensor Low Reference I L77/LS3
36 - - - Not Occupied - -
37 0.75 YE/WH 1745 Fuel Injector Control (2) I L77/LS3
38 0.75 BN/VT 1746 Fuel Injector Control (3) I L77/LS3
39 0.75 BN/YE 844 Fuel Injector Control (4) I L77/LS3
40 0.75 BN/VT 877 Fuel Injector Control (7) I L77/LS3
41 0.5 WH/RD 2705 Oil Pressure Sensor 5 Volt Reference I L77/LS3
42 - - - Not Occupied - -
43 0.5 GY/RD 2704 Manifold Absolute Pressure Sensor 5 Volt Reference I L77/LS3
44 0.5 GY/BU 6259 Camshaft CAM W Supply Voltage I L77/LS3
45-49 - - - Not Occupied - -
50 0.5 YE/BN 331 Oil Pressure Sensor Signal I L77/LS3
51-52 - - - Not Occupied - -
53 0.5 BK/GN 469 Manifold Absolute Pressure Sensor Low Reference I L77/LS3
54-55 - - - Not Occupied - -
56 0.5 WH/BK 3111 Heated Oxygen Sensor Low Signal Bank 1 Sensor (1) I EF7/Z49+L77/LS3
57 0.5 VT/GY 3110 Heated Oxygen Sensor High Signal Bank 1 Sensor (1) I EF7/Z49+L77/LS3
58 0.5 GN/WH 432 Manifold Absolute Pressure Sensor Signal I L77/LS3
59 0.5 VT/WH 3210 Heated Oxygen Sensor High Signal Bank 2 Sensor (1) I EF7/Z49+L77/LS3
60 0.5 YE/WH 3211 Heated Oxygen Sensor Low Signal Bank 2 Sensor (1) I EF7/Z49+L77/LS3
61 0.5 BN 25 Charge Indicator Control I L77/LS3
62 - - - Not Occupied - -
63 0.5 BN/BU 486 Throttle Position Sensor Signal (2) I L77/LS3
64 0.5 YE/VT 6265 Camshaft CAM W Signal I L77/LS3
65 0.5 BN/GN 485 Throttle Position Sensor Signal (1) I L77/LS3
66 0.5 GN/BK 6266 Camshaft CAM W Ground I L77/LS3
67 - - - Not Occupied - -
68 0.5 GN 6271 Crankshaft 60X Sensor Signal I L77/LS3
69 0.5 BK/VT 6272 Crankshaft 60X Sensor Low Reference I L77/LS3
70 0.5 BU/VT 2121 Ignition Control (1) I L77/LS3
71 0.5 VT/WH 2128 Ignition Control (8) I L77/LS3
72 0.5 GN/GY 2127 Ignition Control (7) I L77/LS3
73 0.5 BU/WH 2122 Ignition Control (2) I L77/LS3
74 0.5 BN/BU 2126 Ignition Control (6) I L77/LS3
75 0.5 BU/GY 2125 Ignition Control (5) I L77/LS3
76 0.5 YE/BU 2124 Ignition Control (4) I L77/LS3
77 0.5 GN/BU 2123 Ignition Control (3) I L77/LS3
78 0.5 BK/BU 2129 Ignition Control Low Reference Bank 1 I L77/LS3
79 0.5 BK/GY 2130 Ignition Control Low Reference Bank 2 I L77/LS3