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Home >> Buick >> 2014 >> Regal GS, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 489 (Wiring Systems And Power Management - Component Connector End Views - B218R To K20 (X3) (LUW/LWE)) >> Component Connector End Views >> K20 Engine Control Module X3 (LUW/LWE)
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K20 Engine Control Module X3 (LUW/LWE)

WARNING: This page is about a different car, the 2014 Chevrolet Cruze. However, it is still accessible from the selected car via links, so may be relevant.
GM1590596
Connector Part Information
  • Harness Type: Engine
  • OEM Connector: 34566-0203
  • Service Connector: 88988372
  • Description: 73-Way F 0.64, 2.8 Series, Sealed (BK with GY Terminal Position Assurance)
Terminal Part Information

Terminal Type ID Terminated Lead Diagnostic Test Probe Terminal Removal Tool Service Terminal Tray Core Crimp Insulation Crimp
I Pending Pending Pending Not Available Not Available Not Available Not Available
K20 Engine Control Module X3 (LUW/LWE)

Pin Size Color Circuit Function Terminal Type ID Option
1 0.5 GN/WH 5007 Reverse Switch Signal I MZ0
2-9 - - - Not Occupied - -
10 0.75 GN/BU 428 EVAP Canister Purge Solenoid Control I LUW/LWE
11 - - - Not Occupied - -
12 0.5 BU 7302 Intake Manifold Tuning Valve (IMTV) Control - Signal I LUW/LWE
13-16 - - - Not Occupied - -
17 0.5 GY 23 Generator Field Duty Cycle Signal I LUW/LWE
18 - - - Not Occupied - -
19 0.5 WH/BK 3097 Output Speed (Digital) 5V Sensor Return I MZ0
20 - - - Not Occupied - -
21 0.5 GN/BN 3603 Intake Manifold Control (3) I LWE
22 0.5
0.5
BK/GY
BK/YE
6110
5382
Clutch Apply Sensor Low Reference
Brake Position Sensor Low Reference
I MZ0
MH8/MH9
23-26 - - - Not Occupied - -
27 0.5 BK/GN 6281 Fuel Level Sensor Low Reference I LUW/LWE
28 0.5 GY/RD 2704 Manifold Absolute Pressure Sensor 5 Volt Reference I LUW/LWE
29 0.5 BK/GN 469 Manifold Absolute Pressure Sensor Low Reference I LUW/LWE
30 0.5 BK/BN 2761 Coolant Temperature Sensor Low Reference I LUW/LWE
31 - - - Not Occupied - -
32 0.5
0.75
GY/WH
GY/WH
3122
3122
Heated Oxygen Sensor Heater Low Control Bank 1 Sensor (2)
Heated Oxygen Sensor Heater Low Control Bank 1 Sensor (2)
I LWE
LUW
33-34 - - - Not Occupied - -
35 0.5 GY/BK 3096 Output Speed (Digital) 5V Sensor Reference I MZ0
36 - - - Not Occupied - -
37 0.5 WH/BN 6452 Air Injection Reaction Pump Sensor Supply Voltage I LWE
38 0.5
0.5
GY/RD
WH/RD
6109
5381
Clutch Apply Sensor Voltage Reference
Brake Position Sensor 5 Volt Reference
I MZ0
MH8/MH9
39-42 - - - Not Occupied - -
43 0.5 YE/RD 2709 Fuel Tank Pressure Sensor 5 Volt Reference I LUW/LWE
44 - - - Not Occupied - -
45 0.5 GN/WH 432 Manifold Absolute Pressure Sensor Signal I LUW/LWE
46 0.5 BU 410 Engine Coolant Temperature Sensor Signal I LUW/LWE
47-52 - - - Not Occupied - -
53 0.5 GY/GN 7303 Intake Manifold Tuning Valve (IMTV) Position - Signal I LUW/LWE
54 - - - Not Occupied - -
55 0.5 GN 3098 Output Speed (Digital) Signal I MZ0
56 - - - Not Occupied - -
57 0.5 WH 6453 Air Injection Reaction Pump Sensor Signal I LWE
58 0.5
0.5
YE
WH/GN
6111
5380
Clutch Apply Sensor Signal
Brake Position Sensor Signal
I MZ0
MH8/MH9
59-62 - - - Not Occupied - -
63 0.5 BU/WH 890 Fuel Tank Pressure Sensor Signal I LUW/LWE
64 0.5 BU/VT 1589 Primary Fuel Level Sensor Signal I LUW/LWE
65-66 - - - Not Occupied - -
67 0.5 VT/BU 3120 Heated Oxygen Sensor High Signal Bank 1 Sensor (2) I LUW/LWE
68 0.5 WH/YE 3121 Heated Oxygen Sensor Low Signal Bank 1 Sensor (2) I LUW/LWE
69-73 - - - Not Occupied - -