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K20 Engine Control Module X2

GM4690378Courtesy of GENERAL MOTORS COMPANY
Connector Part Information
  • Harness Type: Engine
  • OEM Connector: 33257855
  • Service Connector: 19366869
  • Description: 49 - Way F 0.64, 2.8 Series, Sealed (BK with BK Terminal Position Assurance)
Terminal Part Information

Terminal Type ID Terminated Lead Diagnostic Test Probe Terminal Removal Tool
I 13576377 J-35616-35 (VT) J-38125-12A
II 19354746 J-35616-64B (LT BU) J-38125-213
III 19354746 J-35616-64B (LT BU) J-38125-215A
Pin Size Color Circuit Function Terminal Type ID Option
1 0.5 GY/WH 3122 HO2S Heater Low Control Bank 1 Sensor 2 III -
2 - - - Not Occupied - -
3 0.35
0.5
YE/VT
YE/VT
6030
6030
Brake Vacuum Sensor Signal
Brake Vacuum Sensor Signal
II
III
LFV
LTG
4 - 6 - - - Not Occupied - -
7 0.35
0.5
GN/VT
GN/VT
4621
4621
Engine Control Module LIN Bus 1
Engine Control Module LIN Bus 1
II
III
LFV
LTG
8 0.5 BN/GY 4008 Humidity Sensor Signal III -
9 0.5 BN/WH 6933 HO2S Pump Current Signal III -
10 0.5 YE/GY 6936 HO2S Signal III -
11 0.5 GY/WH 3113 HO2S Heater Low Control Bank 1 Sensor 1 III -
12 - 18 - - - Not Occupied - -
19 0.5 GN 6935 HO2S Pump Current Trim Signal III -
20 0.5 BN 6934 HO2S Ground III -
21 0.5 GN 3060 Turbocharger Bypass Solenoid Valve Control Bank 1 III -
22 - - - Not Occupied - -
23 0.5 BU 179 Engine Oil Pump Control III -
24 0.5 WH/RD 480 Engine Control Vehicle Sensors 5 Volt Reference 1 III -
25 0.5 WH/YE 3121 HO2S Low Signal Bank 1 Sensor 2 III -
26 0.5 WH/BK 3111 HO2S Low Signal Bank 1 Sensor 1 III -
27 - - - Not Occupied - -
28 0.5 BK/GY 2303 Knock Sensor Low Reference 2 III -
29 0.5 BK/YE 1716 Knock Sensor Low Reference 1 III -
30 - - - Not Occupied - -
31 0.5
0.5
VT/BU
VT/BU
5294
5293
Powertrain Main Relay Fused Supply Voltage 5
Powertrain Main Relay Fused Supply Voltage 4
III
III
LFV
LTG
32 0.5 BK/YE 548 Engine Control Sensors Low Reference 1 III -
33 0.35 GY 5127 Turbocharger Coolant Pump Relay Control II -
34 0.5 BN/WH 582 Throttle Actuator Close Control III -
35 0.5 BN/YE 258 Turbocharger Wastegate Solenoid Valve Control III -
36 - 37 - - - Not Occupied - -
38 0.5 BU/RD 460 Engine Control Sensors 5 Volt Reference 1 III -
39 0.5 VT/BU 3120 HO2S High Signal Bank 1 Sensor 2 III -
40 0.5 VT/GY 3110 HO2S High Signal Bank 1 Sensor 1 III -
41 - - - Not Occupied - -
42 0.5 WH/GY 1876 Knock Sensor 2 Signal III -
43 0.5 VT/GY 496 Knock Sensor 1 Signal III -
44 0.5 YE 3054 Turbocharger Intake Pressure Sensor Signal Bank 1 III -
45 - - - Not Occupied - -
46 0.5 WH/BU 7329 Pre-Throttle Air Temperature Signal III -
47 - - - Not Occupied - -
48 0.5 YE 581 Throttle Actuator Open Control III -
49 2 BK/WH 151 Signal Ground I -