K20 Engine Control Module X3 (LTG)
WARNING: This page is about a different car, the 2018 Chevrolet Camaro. However, it is still accessible from the selected car via links, so may be relevant.
 Courtesy of GENERAL MOTORS COMPANY
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Connector Part Information
- Harness Type: Engine
- OEM Connector: 12582678
- Service Connector: 88988372
- Description: 73-Way F 0.64, 2.8 Series, Sealed (BK with GY Terminal Position Assurance)
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Terminal Part Information
| Terminal Type ID |
Terminated Lead |
Diagnostic Test Probe |
Terminal Removal Tool |
Service Terminal |
Tray Name |
Core Crimp |
Insulation Crimp |
| I |
13579770 |
J-35616-4A (PU) |
J-38125-11A |
7116-4152-02 |
Yazaki 9 |
2 |
5 |
| II |
19330179 |
J-35616-64B (LT BU) |
J-38125-12A |
Not Available |
Not Available |
Not Available |
Not Available |
| Pin |
Size |
Color |
Circuit |
Function |
Terminal Type ID |
Option |
| 1 |
0.5 |
GY/WH |
3113 |
Heated Oxygen Sensor Heater Low Control Bank 1 Sensor 1 |
II |
LTG |
| 2 - 3 |
- |
- |
- |
Not Occupied |
- |
- |
| 4 |
0.5 |
GN/BU |
428 |
EVAP Canister Purge Solenoid Control |
II |
LTG |
| 5 |
- |
- |
- |
Not Occupied |
- |
- |
| 6 |
0.5 |
BN/RD |
2917 |
Fuel Rail Pressure Sensor 5V Reference |
II |
LTG |
| 7 |
- |
- |
- |
Not Occupied |
- |
- |
| 8 |
0.5 |
YE/RD |
2709 |
Fuel Tank Pressure Sensor 5V Reference |
II |
LTG |
| 9 - 10 |
- |
- |
- |
Not Occupied |
- |
- |
| 11 |
0.75 |
GY/BK |
3096 |
Output Speed (Digital) Sensor 5V Reference |
II |
LTG+M13 |
| 12 - 13 |
- |
- |
- |
Not Occupied |
- |
- |
| 14 |
0.5 |
GY/RD |
7331 |
Pre Throttle Air Temp and Press (TMAP) 5V Reference |
II |
LTG |
| 15 |
- |
- |
- |
Not Occupied |
- |
- |
| 16 |
0.5 |
VT/BU |
5294 |
Powertrain Main Relay Fused Supply 5 |
II |
LTG |
| 17 |
- |
- |
- |
Not Occupied |
- |
- |
| 18 |
0.5 |
BN |
25 |
Charge Indicator Control |
II |
LTG |
| 19 |
0.5 |
GY |
23 |
Generator Field Duty Cycle Signal |
II |
LTG |
| 20 |
0.5 |
BK/WH |
2151 |
Signal Ground |
II |
LTG |
| 21 |
0.5 |
BU/WH |
2918 |
Fuel Rail Pressure Sensor Signal |
II |
LTG |
| 22 |
0.5 |
BK/GN |
2919 |
Fuel Rail Pressure Sensor Low Reference |
II |
LTG |
| 23 - 26 |
- |
- |
- |
Not Occupied |
- |
- |
| 27 |
0.75 |
WH/BK |
3097 |
Output Speed (Digital) Sensor Low Reference |
II |
LTG+M13 |
| 28 - 29 |
- |
- |
- |
Not Occupied |
- |
- |
| 30 |
0.5 |
BK/VT |
7332 |
Pre Throttle Air Temp and Press (TMAP) Low Reference |
II |
LTG |
| 31 - 34 |
- |
- |
- |
Not Occupied |
- |
- |
| 35 |
0.5 |
GN |
6935 |
Heated Oxygen Sensor Current Adjust Signal |
II |
LTG |
| 36 |
0.5 |
YE/GY |
6936 |
Heated Oxygen Sensor Collector Signal |
II |
LTG |
| 37 |
0.5 |
BN/WH |
6933 |
Heated Oxygen Sensor Current Pump Signal |
II |
LTG |
| 38 |
0.5 |
BN |
6934 |
Heated Oxygen Sensor Ground |
II |
LTG |
| 39 |
- |
- |
- |
Not Occupied |
- |
- |
| 40 |
0.5 |
GN/WH |
432 |
Manifold Absolute Pressure Sensor Signal |
II |
LTG |
| 41 |
0.5 |
BN/GN |
1174 |
Oil Level Switch Signal |
II |
LTG |
| 42 |
- |
- |
- |
Not Occupied |
- |
- |
| 43 |
0.5 |
BU/VT |
1589 |
Primary Fuel Level Sensor Signal |
II |
LTG |
| 44 |
0.5 |
BU/WH |
1937 |
Secondary Fuel Level Sensor Signal |
II |
LTG |
| 45 |
- |
- |
- |
Not Occupied |
- |
- |
| 46 |
0.5 |
VT/BU |
7330 |
Pre Throttle Air Temp and Press (TMAP) Air Pressure Signal |
II |
LTG |
| 47 |
0.5 |
WH/BU |
7329 |
Pre-Throttle Air Temp and Press (TMAP) Temperature Signal |
II |
LTG |
| 48 |
0.5 |
YE |
3054 |
Turbo Intake Pressure Sensor Signal Bank 1 |
II |
LTG |
| 49 - 51 |
- |
- |
- |
Not Occupied |
- |
- |
| 52 |
0.5 |
VT/BK |
7300 |
High Pressure Fuel Pump Actuator Low - Control |
II |
LTG |
| 53 - 58 |
- |
- |
- |
Not Occupied |
- |
- |
| 59 |
0.5 |
BK/GY |
2303 |
Knock Sensor Low Reference 2 |
II |
LTG |
| 60 |
0.5 |
WH/GY |
1876 |
Knock Sensor Signal 2 |
II |
LTG |
| 61 |
0.5 |
BK/YE |
1716 |
Knock Sensor Low Reference 1 |
II |
LTG |
| 62 |
0.5 |
VT/GY |
496 |
Knock Sensor Signal 1 |
II |
LTG |
| 63 |
0.75 |
GN |
3098 |
Output Speed (Digital) Signal |
II |
LTG+M13 |
| 64 - 66 |
- |
- |
- |
Not Occupied |
- |
- |
| 67 |
0.5 |
GN/WH |
5007 |
Reverse Switch Signal |
II |
LTG+M13 |
| 68 |
0.5 |
BU/WH |
890 |
Fuel Tank Pressure Sensor Signal |
II |
LTG |
| 69 - 71 |
- |
- |
- |
Not Occupied |
- |
- |
| 72 |
0.5 |
YE |
7301 |
High Pressure Fuel Pump Actuator High - Control |
II |
LTG |
| 73 |
2 |
BK/WH |
451 |
Signal Ground |
I |
LTG |