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K20 Engine Control Module X3 (LSA)

GM1590596
Connector Part Information
  • Harness Type: Engine
  • OEM Connector: 34566-0203
  • Service Connector: 88988372
  • Description: 73-Way F MX123 34566 Series (BK with GY 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 13575575 J-35616-64B (L-BU) J-38125-213 33467-0005 23 J J
II 13575811 J-35616-64B (L-BU) J-38125-213 33467-0003 23 H H
III 13575575 J-35616-64B (L-BU) J-38125-213 33467-0005 23 K K
IV Pending J-35616-35 (VT) J-38125-11A 7116-4152-02 9 A 5
K20 Engine Control Module X3 (LSA)

Pin Size Color Circuit Function Terminal Type ID Option
1-2 - - - Not Occupied - -
3 0.5 TN 1667 HO2S Low Signal - Bank 2 Sensor 1 I -
4 0.5 PU 1666 HO2S High Signal - Bank 2 Sensor 1 I -
5 0.5 PU 1670 HO2S High Signal - Bank 2 Sensor 2 I -
6 0.5 TN 1671 HO2S Low Signal - Bank 2 Sensor 2 I -
7 0.5 OG 225 Generator Turn On Signal I -
8 0.5 L-GN 1652 Reverse Lockout Solenoid Signal I MG9
9-12 - - - Not Occupied - -
13 0.5 GY 587 Skip Shift Signal I MG9
14 0.35 L-BU 7126 Super Charger Vacuum Bypass Valve Control II -
15 0.5 L-GN 3212 HO2S Heater Low Control - Bank 2 Sensor 1 I -
16 0.5 PK 2014 Charge Air Cooler Coolant Pump Control I -
17 - - - Not Occupied - -
18 0.8 BN 1174 Oil Level Switch Signal I -
19-20 - - - Not Occupied - -
21 0.5 TN 5514 A/C Refrigerant Pressure Sensor Low Reference I -
22 0.8 OG/BK 6014 Barometric Pressure Sensor Low Reference III -
23 0.8 OG/BK 469 Manifold Absolute Pressure Sensor Low Reference III -
24-26 - - - Not Occupied - -
27 0.5 OG/D-GN 7360 Manual Transmission Clutch Position Sensor Return I MG9
28 - - - Not Occupied - -
29 0.5 GY 23 Generator Field Duty Cycle Signal I -
30-32 - - - Not Occupied - -
33 0.5 TN 2501 High Speed GMLAN Serial Data Bus- I -
34 0.5 TN 470 Sensor Low Reference I -
35 0.8 TN 2761 Coolant Temperature Sensor Low Reference III -
36 0.8 YE/BK 6120 Manifold Air Temperature Sensor Low Reference III -
37 0.5 GY 2700 A/C Pressure Sensor 5 Volt Reference I -
38 0.8 WH/BK 2932 Barometric Pressure Sensor (5) Volt Reference III -
39 0.8 GY 2704 Manifold Absolute Pressure Sensor 5 Volt Reference III -
40-42 - - - Not Occupied - -
43 0.5 D-BU/YE 7361 Manual Transmission Clutch Position Sensor Supply I MG9
44 - - - Not Occupied - -
45 0.35 L-GN 5007 Backup Lamp Switch Signal II MG9
46 0.5 OG/BK 1786 Ignition Lock Cylinder Control Actuator Signal I MYD
47 - - - Not Occupied - -
48 0.5 D-GN/WH 428 EVAP Canister Purge Solenoid Control I -
49 0.5 D-GN 335 Low Speed Cooling Fan Relay Control I -
50 0.5 OG/WH 3223 HO2S Heater Low Control - Bank 2 Sensor 2 I -
51-52 - - - Not Occupied - -
53 0.5 TN/BK 2500 High Speed GMLAN Serial Data Bus+ I -
54 - - - Not Occupied - -
55 0.8 YE 410 Engine Coolant Temperature Sensor Signal III -
56 0.8 L-BU 6118 Manifold Air Temperature Sensor Signal III -
57 0.5 OG/BK 380 A/C Refrigerant Pressure Sensor Signal I -
58 0.8 GY/BK 433 Barometric Pressure Sensor Signal III -
59 0.8 L-GN 432 Manifold Absolute Pressure Sensor Signal III -
60-62 - - - Not Occupied - -
63 0.5 L-GN 6338 Manual Transmission Clutch Position Sensor Signal Position I MG9
64-65 - - - Not Occupied - -
66 0.35 YE 400 Vehicle Speed Sensor Signal II -
67 0.35 PU 401 Vehicle Speed Sensor Low Reference II -
68-72 - - - Not Occupied - -
73 3.0 BK 1550 Ground IV -
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