LEMON Manuals: Even more car manuals for everyone: 1960-2025
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 X2 (LFW or LFX)
April 5, 2026: LEMON Manuals is launched! Read the announcement.

K20 Engine Control Module X2 (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.
GM1673472
Connector Part Information
  • Harness Type: Engine
  • OEM Connector: 34566-0103
  • Service Connector: 88988931
  • Description: 73-Way F 0.64/2.8 Series, Sealed (BK with BK 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
1-2 - - - Not Occupied - -
3 0.5 TN 808 Low Reference I -
4-7 - - - Not Occupied - -
8 0.5 PU/WH 821 Vehicle Speed Sensor II VSS) High Signal (MV7
9 - - - Not Occupied - -
10 0.5 PU/WH 3110 Reference Voltage - Bank 1 Sensor 1 I -
11 0.5 PU/WH 3210 HO2S Reference Voltage - Bank 2 Sensor 1 I -
12 0.5 PU 3120 HO2S High Signal - Bank 1 Sensor 2 I -
13 0.5 PU 3220 HO2S High Signal - Bank 2 Sensor 2 I -
14-15 - - - Not Occupied - -
16 0.5 BN 582 TAC Motor Control - 2 I -
17 - - - Not Occupied - -
18 0.5 GY 598 5-Volt Reference 1 I -
19 0.5 YE 2918 Fuel Rail Pressure (FRP) Sensor Signal I -
20-22 - - - Not Occupied - -
23 0.5 L-GN 5007 Backup Lamp Switch Signal II -
24-25 - - - Not Occupied - -
26 0.5 TN/WH 3111 Low Reference - Bank 1 Sensor 1 I -
27 0.5 TN/WH 3211 HO2S Low Signal - Bank 2 Sensor 1 I -
28 0.5 TN/WH 3121 Low Reference - Bank 1 Sensor 2 I -
29 0.5 TN 3221 Low Reference - Bank 2 Sensor 2 I -
30-31 - - - Not Occupied - -
32 0.5 YE 581 TAC Motor Control - 1 I -
33 0.5 D-GN 485 TP Sensor 1 Signal II -
34 0.5 GY 2701 5-Volt Reference 4 I -
35 0.5 PU 486 TP Sensor 2 Signal II -
36 0.5 D-BU 496 Knock Sensor (KS) 1 Signal I -
37 0.5 L-BU 1876 Knock Sensor (KS) 2 Signal I -
38-40 - - - Not Occupied - -
41 0.5 GY/WH 3113 HO2S Heater Low Control - Bank 1 Sensor 1 I -
42 0.5 GY/WH 3122 HO2S Heater Low Control - Bank 1 Sensor 2 I -
43 0.5 L-GN 432 MAP Sensor Signal I -
44 0.5 GY 2704 5-Volt Reference 3 I -
45-48 - - - Not Occupied - -
49 0.5 L-BU 6289 Intake Air Temperature (IAT) Sensor Signal I -
50 - - - Not Occupied - -
51 0.5 D-GN/WH 428 EVAP Canister Purge Solenoid Control I -
52 0.5 YE 492 MAF Sensor Signal I -
53 0.5 OG 225 Generator Turn On Signal I -
54 0.5 TN 2752 Low Reference I -
55 0.5 GY 23 Generator Field Duty Cycle Signal I -
56 0.5 GY 1716 Low Reference I -
57 0.5 GY 2303 Low Reference I -
58 0.5 OG/BK 1786 Transmission Park/Neutral Signal I -
59-60 - - - Not Occupied - -
61 0.5 L-GN 3212 HO2S Heater Low Control - Bank 2 Sensor 1 I -
62 0.5 OG/WH 3223 HO2S Heater Low Control - Bank 2 Sensor 2 I -
63 0.5 OG/BK 469 Low Reference I -
64-68 - - - Not Occupied - -
69 0.5 TN 2760 Low Reference I -
70-72 - - - Not Occupied - -
73 2 BK/WH 1551 Ground III -
scientia non olet · About LEMON Manuals