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Home >> Cadillac >> 2012 >> SRX AWD >> Repair and Diagnosis (Single Page) >> Quick Lookups >> Wiring Diagrams >> Wiring Systems And Power Management - Component Connector End Views - E37D Through X4 >> Component Connector End Views >> K20 Engine Control Module X1
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K20 Engine Control Module X1

GM1968294Courtesy of
Connector Part Information
  • Harness Type: Engine
  • OEM Connector: 13649839
  • Service Connector: 13574946
  • Description: 73-Way F 0.64 2.8 Series, Sealed (BK with BU Insert)
Terminal Part Information
  • Pins: 4-6, 9-10, 14-15, 21-22, 25-27, 30, 32-34, 38-40, 42, 44, 46-48, 51-53, 57, 59, 62, 63, 66, 67-68, 70, 72
  • Terminated Lead: 13575575
  • Release Tool: J-38125-213
  • Diagnostic Test Probe: J-35616-64B (L-BU)
  • Terminal/Tray: 33467-0005/23
  • Core/Insulation Crimp: Pins 4-6, 9-10, 14-15, 21-22, 25-27, 30, 32-34, 38-40, 42, 44, 46-48, 51-53, 57, 59, 63, 66, 68, 70, 72 - J/J
  • Core/Insulation Crimp: Pins 62, 67 - K/K
  • Pins: 73
  • Terminated Lead: Service by Harness - See Part Catalog
  • Release Tool: J-38125-12A
  • Diagnostic Test Probe: J-35616-35 (VT)
  • Terminal/Tray: 1326030-8/17
  • Core/Insulation Crimp: A/4
K20 Engine Control Module X1

Pin Wire Circuit Function
1-3 - - Not Used
4 0.5 YE/WH 3200 Pressure Signal
5 0.5 GY/WH 3201 Low Reference 1
6 0.5 OG/BK 380 A/C Refrigerant Pressure Sensor Signal
7-8 - - Not Used
9 0.5 D-GN 890 Fuel Tank Pressure Sensor Signal
10 0.5 GY 2709 5-Volt Reference 1
11-13 - - Not Used
14 0.5 WH/BK 1164 5-Volt Reference 4
15 0.5 D-BU 1161 APP Sensor 1 Signal
16-20 - - Not Used
21 0.5 GY 2700 5-Volt Reference 1
22 0.5 TN 5514 Low Reference
23-24 - - Not Used
25 0.5 PU 1589 Fuel Level Sensor Signal - Primary
26 0.5 BN/WH 6281 Low Reference
27 0.5 L-BU 1937 Fuel Level Sensor Signal - Secondary
28-29 - - Not Used
30 0.5 BN 1271 Low Reference
31 - - Not Used
32 0.5 D-GN/WH 459 A/C Compressor Clutch Relay Control
33 0.5 TN 1274 5-Volt Reference 3
34 0.5 L-BU 1162 APP Sensor 2 Signal
35-37 - - Not Used
38 0.5 WH 1579 Fuel Temperature/Composition Signal
39 0.5 TN/BK 2500 High Speed GMLAN Serial Data Bus+
40 0.5 TN 2501 High Speed GMLAN Serial Data Bus -
41 - - Not Used
42 0.5 D-BU 473 High Speed Cooling Fan Relay Control
43 - - Not Used
44 0.5 D-GN/WH 465 Fuel Pump Relay Control
45 - - Not Used
46 0.5 BN/WH 419 MIL Control
47 0.5 GY 2709 5 Volt Reference
48 0.5 YE 5066 Brake Pedal Position Sensor Signal
49-50 - - Not Used
51 0.5 PK 439 Ignition Voltage
52 0.5 RD/WH 440 Battery Positive Voltage
53 0.5 PU 1272 Low Reference
54-56 - - Not Used
57 0.5 L-BU/WH 6311 Brake Pedal Switch Signal
58 - - Not Used
59 0.5 D-GN 335 Low Speed Cooling Fan Relay Control
60-61 - - Not Used
62 0.8 PK/BK 5291 Ignition Voltage
63 0.5 PU/WH 6386 Starter Relay Control
64-65 - - Not Used
66 0.5 WH 1310 EVAP Canister Vent Solenoid Control
67 0.8 PK/BK 5292 Ignition Voltage
68 0.5 BN/WH 6281 Low Reference
69 - - Not Used
70 0.5 D-BU 5985 Serial Data Wake - Up Signal
71 - - Not Used
72 0.5 YE 5991 Powertrain Relay Control
73 2 PK/BK 5290 Ignition Voltage
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