LEMON Manuals: Even more car manuals for everyone
Home >> GMC >> 2014 >> Terrain SLE, 4D Utility >> Repair and Diagnosis >> External Pages >> Different car >> Section 231 (Wiring Systems And Power Management - Component Connector End Views - A3L Sunshade To K20 ECM X3 (Lea)) >> Component Connector End Views >> K20 Engine Control Module X2 (LEA)

K20 Engine Control Module X2 (LEA)

WARNING: This page is about a different car, the 2012 GMC Terrain and 2012 Chevrolet Equinox. However, it is still accessible from the selected car via links, so may be relevant.
GM1673472Courtesy of
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
  • Pins: 3, 10, 12, 14, 16, 18, 19, 26, 28, 32-36, 39, 41-44, 49, 50-56, 58, 63, 69
  • Terminated Lead: 13575575
  • Release Tool: J-38125-213
  • Diagnostic Test Probe: J-35616-64B (L-BU)
  • Terminal/Tray: 33467-0005/23
  • Core/Insulation Crimp: J/J
  • Pins: 73
  • Terminated Lead: 13576375
  • Release Tool: J-38125-11A
  • Diagnostic Test Probe: J-35616-35 (VT)
  • Terminal/Tray: 7116-4152-02/9
  • Core/Insulation Crimp: 2/5
K20 Engine Control Module X2 (LEA)

Pin Wire Circuit Function
1-2 - - Not Available
3 0.5 TN 808 Low Reference
4-9 - - Not Available
10 0.5 PU/WH 3110 HO2S Reference Voltage (Bank 1 Sensor 1)
11 - - Not Available
12 0.5 PU 3120 HO2S High Signal (Bank 1 Sensor 2)
13 - - Not Available
14 0.5 GY 2093 5-Volt 2 Reference
15 - - Not Available
16 0.5 BN 582 TAC Motor Control - 2
17 - - Not Available
18 0.5 GY 598 5-Volt 1 Reference
19 0.5 YE 2918 FRP Sensor Signal
20-25 - - Not Available
26 0.5 TN/WH 3111 HO2S Low Reference (Bank 1 Sensor 1)
27 - - Not Available
28 0.5 TN/WH 3121 HO2S Low Signal (Bank 1 Sensor 2)
29-31 - - Not Available
32 0.5 YE 581 TAC Motor Control - 1
33 0.5 D-GN 485 TP Sensor 1 Signal
34 0.5 GY 2701 5-Volt 4 Reference
35 0.5 PU 486 TP Sensor 2 Signal
36 0.5 D-BU 496 Knock Sensor (KS) 1 Signal
37-38 - - Not Available
39 0.5 L-GN/BK 3633 Noise Cancellation (LAF with VQN)
40 - - Not Available
41 0.5 GY/WH 3113 HO2S Heater Low Control (Bank 1 Sensor 1)
42 0.5 GY/WH 3122 HO2S Heater Low Control (Bank 2 Sensor 1)
43 0.5 L-GN 432 MAP Sensor Signal
44 0.5 GY 2704 5-Volt 3 Reference
45-48 - - Not Available
49 0.5 L-BU 6289 Intake Air Temperature Sensor Signal
50 0.5 PK/WH 2092 Fuel Economy Mode Switch Signal
51 0.5 D-GN/WH 428 EVAP Canister Purge Solenoid Control
52 0.5 YE 492 MAF Sensor Signal
53 0.5 BN 25 Charge Indicator Control/Charge Indicator Signal
54 0.5 TN 2752 Low Reference
55 0.5 GY 23 Generator Field Duty Cycle Signal
56 0.5 GY 1716 Knock Sensor (KS) 1 Signal
57 - - Not Available
58 0.5 D-GN 6307 Clutch Start Neutral Start Signal (MH7 or MHC)
59-62 - - Not Available
63 0.5 OG/BK 469 Low Reference
64-68 - - Not Available
69 0.5 TN 2760 Low Reference
70-72 - - Not Available
73 2 BK/WH 451 Ground
scientia non olet · About LEMON Manuals