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Home >> Chevrolet >> 2022 >> Tahoe PPV, RWD >> Repair and Diagnosis >> Electrical >> Wiring Diagrams >> Component Connector End Views (K20 - K43) >> Component Connector End Views >> K20 Engine Control Module X1 (LM2)

K20 Engine Control Module X1 (LM2)

GM5492269Courtesy of GENERAL MOTORS COMPANY
Connector Part Information
  • Harness Type: Engine Wiring Harness
  • OEM Connector: 35388154
  • Service Connector: 84941451
  • Description: 90-Way F 0.64 GEN-Y, 2.8, 6.3 MCP Series, Sealed (BK with BU Terminal Position Assurance)
Terminal Part Information

Terminal Type ID Terminated Lead Diagnostic Test Probe Terminal Removal Tool
I 19367373 J-35616-64B (L-BU) J-38125-215A
II 19371214 J-35616-4A (PU) J-38125-215A
III 84616649 J-35616-42 (RD) J-38125-556
Pin Size Color Circuit Function Terminal Type ID Option
1 6 BN / BU 104 Glow Plug Control III -
2 2.5 GY / VT 1586 Glow Plug 6 Control II -
3 - 5 - - - Not Occupied - -
6 0.5 WH / GY 459 A/C Compressor Clutch Relay Control I -
7 0.5 RD / BN 440 Battery Positive Voltage I -
8 0.5 GN / WH 492 Mass Air Flow Sensor Signal I -
9 - - - Not Occupied - -
10 0.5 WH / BU 6311 Cruise/ETC/TCC Brake Signal I -
11 0.5 GY 2973 Coolant Flow Control Valve Position Signal I -
12 0.5 GN / GY 7316 Intake Manifold Runner Valve Actuator Control I -
13 - 14 - - - Not Occupied - -
15 0.5 BN / GN 4305 Exhaust Flow Control Valve 1 I -
16 0.5 WH 4055 Private Serial Data Powertrain CAN Bus [+] Serial Data I -
17 0.5 BU / BK 4977 AUTOSAR CAN Bus [+] 3 Serial Data I -
18 0.5 BU / YE 4979 AUTOSAR CAN Bus [+] 2 Serial Data I -
19 0.5 BK / GN 580 Engine Control Sensors Low Reference 2 I -
20 - - - Not Occupied - -
21 0.75 GY / BK 1330 Variable Geometry Turbocharger Position Sensor Motor Close Control I -
22 0.75 WH / BN 1313 Variable Geometry Turbocharger Position Sensor Motor Open Control I -
23 2.5 GY / GN 1583 Glow Plug 3 Control II -
24 2.5 GY / WH 1585 Glow Plug 5 Control II -
25 0.75 VT / GN 439 Run/Crank Ignition 1 Voltage I -
26 0.5 YE 5991 Powertrain Relay Coil Control I -
27 - - - Not Occupied - -
28 0.35 GN / BN 507 Wait To Start Indicator Control I -
29 - - - Not Occupied - -
30 0.5 BK / GY 626 Engine Control Vehicle Sensors Low Reference 1 I -
31 - 33 - - - Not Occupied - -
34 0.5 VT / YE 5947 Turbocharger Vane Position Sensor Signal I -
35 0.5 BN / WH 5763 Exhaust Gas Recirculation Position Signal I -
36 0.5 BU / GY 2978 Coolant Diverter Valve Position Signal I -
37 - - - Not Occupied - -
38 0.5 BU / GY 4054 Private Serial Data Powertrain CAN Bus [-] Serial Data I -
39 0.5 WH 4976 AUTOSAR CAN Bus [-] 3 Serial Data I -
40 0.5 WH 4978 AUTOSAR CAN Bus [-] 2 Serial Data I -
41 - - - Not Occupied - -
42 0.5 YE / BK 625 Starter Enable Relay Control I -
43 0.5 VT / BK 5746 Exhaust Gas Recirculation Valve Low Control I -
44 0.5 WH / VT 5764 Exhaust Gas Recirculation Valve High Control I -
45 2.5 GY / BN 1582 Glow Plug 2 Control II -
46 2.5 BK / WH 6151 Engine Control Module Ground II -
47 2.5 GY / YE 1584 Glow Plug 4 Control II -
48 0.5 WH / RD 480 Engine Control Vehicle Sensors 5 Volt Reference 1 I -
49 0.5 GN / WH 1162 Accelerator Pedal Position Signal 2 I -
50 0.5 BK / VT 1272 Accelerator Pedal Position Low Reference 2 I -
51 0.5 BK / BU 1271 Accelerator Pedal Position Low Reference 1 I -
52 0.5 WH / GN 5380 Brake Position Sensor Signal I -
53 - 54 - - - Not Occupied - -
55 0.5 YE 4063 Hood Status A Signal I -
56 - 58 - - - Not Occupied - -
59 0.5 GN 380 A/C Refrigerant Pressure Sensor Signal I -
60 0.5 YE / BN 331 Oil Pressure Sensor Signal I -
61 0.5 YE / GY 3926 Crankcase Differential Pressure Sensor Signal I -
62 - 63 - - - Not Occupied - -
64 0.5 GN / BU 3889 Powertrain Sensor Bus Relay Control I -
65 - - - Not Occupied - -
66 0.5 BN 1421 Exhaust Restrictor Motor Closed Control I -
67 0.5 YE / BN 1420 Exhaust Restrictor Motor Open Control I -
68 2.5 GY / BU 1581 Glow Plug 1 Control II -
69 0.75 VT / BU 5291 Powertrain Main Relay Fused Supply Voltage 2 II -
70 0.5 BU / RD 460 Engine Control Sensors 5 Volt Reference 1 I -
71 0.5 BN / RD 1274 Accelerator Pedal Position 5V Reference 2 I -
72 0.5 WH / RD 1164 Accelerator Pedal Position 5V Reference 1 I -
73 0.5 YE / WH 1161 Accelerator Pedal Position Signal 1 I -
74 0.5 BU / GY 636 Ambient Air Temperature Sensor Signal I -
75 0.5 VT 7485 Engine Oil Temperature Sensor 2 Signal I -
76 - 77 - - - Not Occupied - -
78 0.5 GY / VT 2404 Engine Block Coolant Temperature Signal I -
79 - 83 - - - Not Occupied - -
84 0.5 VT / GY 7246 Exhaust Gas Recirculation Differential Pressure Signal 1 I -
85 - - - Not Occupied - -
86 0.5 GN / GY 465 Fuel Pump Primary Relay Control I -
87 0.75 VT / BU 5294 Powertrain Main Relay Fused Supply Voltage 5 I -
88 0.75 GY / BN 2972 Coolant Flow Control Actuator Control Close I -
89 0.75 GY / BU 2971 Coolant Flow Control Actuator Control Open I -
90 2 VT 5290 Powertrain Main Relay Fused Supply Voltage 1 II -
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