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K20 Engine Control Module X1 (LFM/LL0+M4M)

GM2845590
Connector Part Information
  • Harness Type: Engine
  • OEM Connector: 34576-1903
  • Service Connector: 13395411
  • Description: 56-Way F 0.64 Series, Sealed (BU)
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 Pending Pending Pending Pending
K20 Engine Control Module X1 (LFM/LL0+M4M)

Pin Size Color Circuit Function Terminal Type ID Option
1 - - - Not Occupied - -
2 0.5 GN/WH 1162 Accelerator Pedal Position Signal (2) I M4M(LFM/LL0)
3 0.5 GN/WH 492 Mass Air Flow Sensor Signal I M4M
4-9 - - - Not Occupied - -
10 0.5 YE/WH 1161 Accelerator Pedal Position Signal (1) I M4M(LFM/LL0)
11 - - - Not Occupied - -
12 0.5 GN 380 A/C Refrigerant Pressure Sensor Signal I C60M4M(LFM/LL0)
13 0.5 BK/BN 5514 A/C Refrigerant Pressure Sensor Low Reference I C60M4M(LFM/LL0)
14-15 - - - Not Occupied - -
16 0.5 BN/RD 1274 Accelerator Pedal Position 5 Volt Reference (2) I M4M(LFM/LL0)
17 - - - Not Occupied - -
18 0.5 VT/YE 5985 Accessory Wakeup Serial Data I M4M
19 0.75 VT/WH 139 Run/Crank Ignition 1 Voltage I M4M
20 0.75 RD/BU 840 Battery Positive Voltage I M4M(LFM/LL0)
21-23 - - - Not Occupied - -
24 0.5 WH/RD 1164 Accelerator Pedal Position 5 Volt Reference (1) I M4M(LFM/LL0)
25 - - - Not Occupied - -
26 0.5 BN/RD 2700 A/C Pressure Sensor 5 Volt Reference I C60M4M(LFM/LL0)
27 0.5 YE 447 Starter Relay Coil Control I M4M
28 0.5 GN/GY 465 Fuel Pump Primary Relay Control I M4M
29 0.5 BU 2500 High Speed GMLAN Serial Data (+) (1) I M4M
30 0.5 BK/VT 1272 Accelerator Pedal Position Low Reference (2) I M4M(LFM/LL0)
31 0.5 BK/VT 2760 Intake Air Temperature Sensor Low Reference I M4M
32 0.5 BK/BU 6813 Coolant Temperature Sensor #2 Low Reference I M4M(LFM/LL0)
33 0.5 WH/BU 6311 Cruise/ETC/TCC Brake Signal I M4M(LFM/LL0)
34 0.5 GN 275 Park Neutral Position Switch Park Signal I M4M
35-37 - - - Not Occupied - -
38 0.5 BK/BU 1271 Accelerator Pedal Position Low Reference (1) I M4M(LFM/LL0)
39 - - - Not Occupied - -
40 0.5 BN/WH 5069 Engine Main Relay Coil Control I M4M
41 0.5 GN/VT 335 Low Speed Cooling Fan Relay Control I M4M(LFM/LL0)
42 - - - Not Occupied - -
43 0.5 WH 2501 High Speed GMLAN Serial Data (-) (1) I M4M
44 - - - Not Occupied - -
45 0.5 BN/VT 472 Intake Air Temperature Sensor Signal I M4M
46 0.5 YE/BK 3000 Coolant Temperature Sensor #2 Signal I M4M(LFM/LL0)
47 0.5 BU/WH 225 Generator Turn On Signal I M4M(LFM/LL0)
48-51 - - - Not Occupied - -
52 0.5 BN/WH 419 Check Engine Indicator Control I M4M(LFM/LL0)
53 0.5 WH/GY 459 A/C Compressor Clutch Relay Control I C60M4M(LFM/LL0)
54 0.5 BN/YE 473 High Speed Cooling Fan Relay Control I M4M(LFM/LL0)
55 - - - Not Occupied - -
56 0.5 WH 1310 EVAP Canister Vent Solenoid Control I M4M(LFM/LL0)
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