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Home >> Cadillac >> 2016 >> CTS Base, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 12 (Wiring Systems And Power Management - Component Connector End Views - E37LR To K20 X3 (Coupe)) >> Component Connector End Views >> K20 Engine Control Module X1 (LFW or LFX)
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K20 Engine Control Module X1 (LFW or LFX)

WARNING: This page is about a different car, the 2015 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.
GM2470482
Connector Part Information
  • Harness Type: Engine
  • OEM Connector: 34566-3713
  • Service Connector: 19303698
  • Description: 73-Way F 0.64 2.8 Series, Sealed (BK with BU Terminal Position Assurance Lock)
  • Harness Type: Engine
  • OEM Connector: 34566-3713
  • Service Connector: 13574782
  • Description: 73-Way F 0.64 2.8 Series, Sealed (BK with BU Terminal Position Assurance Lock)
Terminal Part Information

Terminal Type ID Terminated Lead Diagnostic Test Probe Terminal Removal Tool Service Terminal Tray Core Crimp Insulation Crimp
I 13575412 J-35616-2A (GY) J-38125-553 Not Available Not Available Not Available Not Available
II 13575575 J-35616-64B (L-BU) J-38125-213 33467-0005 23 J J
III 13575412 J-35616-2A (GY) J-38125-553 7116-4152-02 9 2 5
Pin Size Color Circuit Function Terminal Type ID Option
1-3 - - - Not Occupied - -
4 0.5 YE/WH 3200 Air Inlet Absolute Pressure Sensor I -
5 0.5 GY/WH 3201 5-Volt Reference 1 I -
6 0.5 OG/BK 380 A/C Refrigerant Pressure Sensor Signal I -
7-8 - - - Not Occupied - -
9 0.5 D-GN 890 Fuel Tank Pressure Sensor Signal I -
10 0.5 GY 2709 5-Volt Reference 1 I -
11-13 - - - Not Occupied - -
14 0.5 WH/BK 1164 5-Volt Reference 4 I -
15 0.5 D-BU 1161 APP Sensor 1 Signal I -
16-19 - - - Not Occupied - -
20 0.5 TN/WH 3202 Low Reference II -
21 0.5 GY 2700 5-Volt Reference 1 I -
22 0.5 TN 5514 Low Reference I -
23-24 - - - Not Occupied - -
25 0.5 D-BU 1936 Primary Fuel Level Sensor Signal I -
26 0.5 TN 2759 Low Reference I -
27 0.5 L-BU 1937 Secondary Fuel Level Sensor Signal I -
28-29 - - - Not Occupied - -
30 0.5 BN 1271 Low Reference I -
31 - - - Not Occupied - -
32 0.5 D-GN/WH 459 A/C Compressor Clutch Relay Control I -
33 0.5 TN 1274 5-Volt Reference 3 I -
34 0.5 L-BU 1162 APP Sensor 2 Signal I -
35-38 - - - Not Occupied - -
39 0.5 TN/BK 2500 High Speed GMLAN Serial Data Bus+ I -
40 0.5 TN 2501 High Speed GMLAN Serial Data Bus- I -
41 - - - Not Occupied - -
42 0.5 D-BU 473 High Speed Cooling Fan Relay Control I -
43 - - - Not Occupied - -
44 0.5 D-GN/WH 465 Fuel Pump Relay Control - Primary I -
45 - - - Not Occupied - -
46 0.5 BN/WH 419 MIL Control I -
47 0.5 D-BU/WH 7361 5-Volt Reference 2 - Manual Transmission Clutch Position Sensor I MV7
48 0.5 TN 6338 Manual Transmission Clutch Position Sensor Signal Position I MV7
49-50 - - - Not Occupied - -
51 0.5 PK 339 Ignition 1 Voltage I -
52 0.5 RD/WH 340 Battery Positive Voltage I -
53 0.5 PU 1272 Low Reference I -
54-56 - - - Not Occupied - -
57 0.5 WH 17 Stop Lamp Switch Signal I MYA
58 - - - Not Occupied - -
59 0.5 D-GN 335 Low Speed Cooling Fan Relay Control I -
60-61 - - - Not Occupied - -
62 0.5 PK/BK 5291 Ignition 1 Voltage I -
63 0.5 YE 447 Starter Relay Coil Control I -
64-65 - - - Not Occupied - -
66 0.75 WH 1310 EVAP Canister Vent Solenoid Control I -
67 0.5 PK/BK 5292 Ignition 1 Voltage I -
68 0.5 OG/GN 7360 Manual Transmission Clutch Position Sensor Return I MV7
69 - - - Not Occupied - -
70 0.5 D-BU 5985 Accessory Wakeup Serial Data I -
71 - - - Not Occupied - -
72 0.5 BN 5069 PWR/TRN Relay Control I -
73 2 PK/BK 5290 PWR/TRN Relay Voltage III -
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