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Home >> Cadillac >> 2019 >> XTS Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 16 (Component Connector End Views (K20-K50)) >> Component Connector End Views >> K20 Engine Control Module X1 (LTG)
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K20 Engine Control Module X1 (LTG)

WARNING: This page is about a different car, the 2018 Cadillac XTS. However, it is still accessible from the selected car via links, so may be relevant.
GM2470482Courtesy of GENERAL MOTORS COMPANY
Connector Part Information
  • Harness Type: Engine
  • OEM Connector: 34566-0303
  • 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 Service Terminal Tray Name Core Crimp Insulation Crimp
I 13575796 J-35616-64B (LT BU) J-38125-213 Not Available Not Available Not Available Not Available
II 13579770 J-35616-4A (PU) J-38125-11A 7116-4152-02 Yazaki 9 A 5
Pin Size Color Circuit Function Terminal Type ID Option
1 - 6 - - - Not Occupied - -
7 0.5 WH 7494 High Speed GMLAN Serial Data (-)3 I -
8 0.5 BU/BK 7493 High Speed GMLAN Serial Data (+)3 I -
9 0.5 BU 2500 High Speed GMLAN Serial Data (+) 1 I -
10 0.5 WH 2501 High Speed GMLAN Serial Data (-) 1 I -
11 0.5 BN/RD 1274 Accelerator Pedal Position 5V Reference 2 I -
12 0.5 WH/RD 1164 Accelerator Pedal Position 5V Reference 1 I -
13 0.5 VT/YE 5985 Accessory Wakeup Serial Data I -
14 0.5 VT/GN 439 Run/Crank Ignition 1 Voltage I -
15 0.5 RD/BN 440 Battery Positive Voltage I -
16 0.5 VT/BU 5292 Powertrain Main Relay Fused Supply 3 I -
17 0.5 YE 5530 Hood Open Switch Signal I -
18 0.5 GY/RD 3053 Turbo Intake Pressure Sensor High Reference Bank 1 I -
19 - 24 - - - Not Occupied - -
25 0.5 BK/YE 5382 Brake Position Sensor Low Reference I -
26 - - - Not Occupied - -
27 0.5 BK/VT 1272 Accelerator Pedal Position Low Reference 2 I -
28 0.5 BK/BU 1271 Accelerator Pedal Position Low Reference 1 I -
29 - 31 - - - Not Occupied - -
32 0.5 YE/VT 6030 Brake Vacuum Sensor Signal I -
33 0.5 GN/WH 1162 Accelerator Pedal Position Signal 2 I -
34 0.5 GN/WH 492 Mass Air Flow Sensor Signal I -
35 - 36 - - - Not Occupied - -
37 0.5 BN/RD 2700 A/C Pressure Sensor 5V Reference I -
38 - 40 - - - Not Occupied - -
41 0.5 WH/RD 5381 Brake Position Sensor 5V Reference I -
42 - 43 - - - Not Occupied - -
44 0.5 YE/VT 4325 Starter Pinion Solenoid Relay Control I -
45 0.5 YE/WH 1161 Accelerator Pedal Position Signal 1 I -
46 - - - Not Occupied - -
47 0.5 BU/GY 636 Outside Ambient Air Temperature Sensor Signal I -
48 0.5 WH/BU 6289 Induction Air Temperature Sensor Signal I -
49 0.5 WH/GY 1786 Transmission Park/Neutral Signal 1 I -
50 0.5 WH/BU 6311 Cruise/ETC/TCC Brake Signal I -
51 0.5 VT/BU 5291 Powertrain Main Relay Fused Supply 2 I -
52 0.5 GN/VT 335 Low Speed Cooling Fan Relay Control I -
53 - - - Not Occupied - -
54 0.5 WH/GY 459 A/C Compressor Clutch Relay Control I -
55 - 56 - - - Not Occupied - -
57 0.5 GN 380 A/C Refrigerant Pressure Sensor Signal I -
58 - 59 - - - Not Occupied - -
60 0.5 BN/GY 4008 Humidity Sensor Signal I -
61 0.5 WH/GN 5380 Brake Position Sensor Signal I -
62 - 63 - - - Not Occupied - -
64 0.5 GN/GY 465 Fuel Pump Primary Relay Control I -
65 - - - Not Occupied - -
66 0.5 BN/YE 473 High Speed Cooling Fan Relay Control I -
67 0.5 YE 5991 Powertrain Relay Coil Control I -
68 - 69 - - - Not Occupied - -
70 0.5 YE/BK 625 Starter Enable Relay Control I -
71 0.5 BN/WH 419 Check Engine Indicator Control I -
72 - - - Not Occupied - -
73 2.5 VT/BU 5290 Powertrain Main Relay Fused Supply 1 II -
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