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For 1990-2009 cars only

Engine Control Module Connector End Views CSV HSV VXR8

Table 1: Engine Control Module - X1 (LS2)
Table 2: Engine Control Module - X2 (LS2)

Engine Control Module - X1 (LS2)


Object Number: 1989343  Size: CH

Connector Part Information

 

Pin

Wire Colour

Wire Size

Function

X1-1

OG/BK

0.5

Park/Neutral Signal

X1-2

--

--

--

X1-3

--

--

--

X1-4

--

--

--

X1-5

--

--

--

X1-6

BN/WH

0.5

Cruise Control Disable Clutch Switch Signal

X1-7

--

--

--

X1-8

L-GN

0.5

Backup Lamp Switch Signal

X1-9

WH/BU

0.5

Stop Lamp Switch Signal

X1-10

PU/WH

0.5

HO2S High Signal (Bank 1 Sensor 2)

X1-11

BN/WH

0.5

HO2S Low Signal (Bank 1 Sensor 2)

X1-12

OG/BK

0.5

A/C Refrigerant Pressure Sensor Signal

X1-13

BN/D-GN

0.5

Low Reference

X1-14

--

--

--

X1-15

--

--

--

X1-16

PU

0.5

Fuel Level Sensor Signal (Primary)

X1-17

D-BU

0.5

High Speed Cooling Fan Relay Control

X1-18

D-BU

0.5

TCM Accessory Signal

X1-19

PK

0.5

Ignition 1 Voltage

X1-20

OG/BK

0.75

Battery Positive Voltage

X1-21

--

--

--

X1-22

--

--

--

X1-23

PU

0.5

Low Reference

X1-24

--

--

--

X1-25

--

--

--

X1-26

--

--

--

X1-27

BN

0.5

High Speed GMLAN Serial Data Bus-

X1-28

BN/BK

0.5

High Speed GMLAN Serial Data Bus+

X1-29

BU/WH

0.5

APP Sensor 1 Signal

X1-30

BN

0.5

Low Reference

X1-31

BN/YE

0.5

Low Reference

X1-32

L-BU

0.5

APP Sensor 2 Signal

X1-33

--

--

--

X1-34

GY

0.5

5-Volt Reference

X1-35

--

--

--

X1-36

BN/YE

0.5

5-Volt Reference

X1-37

BN/RD

0.5

IAT Sensor Signal

X1-38

BN/WH

0.5

Low Reference

X1-39

--

--

--

X1-40

--

--

--

X1-41

YE

0.5

MAF Sensor Signal

X1-42

--

--

--

X1-43

--

--

--

X1-44

XX

XX

High Speed Cooling Fan Relay Control

X1-45

--

--

--

X1-46

--

--

--

X1-47

BK

0.75

Ignition 1 Voltage

X1-48

--

--

--

X1-49

BN/WH

0.5

HO2S Low Signal (Bank 2 Sensor 2)

X1-50

D-GN/WH

0.5

Fuel Pump Relay Control (Primary)

X1-51

--

--

--

X1-52

YE

0.5

Starter Relay Coil Control

X1-53

--

--

--

X1-54

--

--

--

X1-55

--

--

--

X1-56

WH/BK

0.5

5-Volt Reference

X1-57

--

--

--

X1-58

D-GN

0.5

Low Speed Cooling Fan Relay Control

X1-59

BN

0.5

Main Relay Control

X1-60

--

--

--

X1-61

--

--

--

X1-62

--

--

--

X1-63

--

--

--

X1-64

OG/WH

0.5

HO2S Heater Low Control (Bank 2 Sensor 2)

X1-65

BN

0.5

HO2S Heater Low Control (Bank 1 Sensor 2)

X1-66

--

--

--

X1-67

--

--

--

X1-68

BN/WH

0.5

MIL Control

X1-69

PU

0.5

HO2S High Signal (Bank 2 Sensor 2)

X1-70

L-BU

0.5

Fuel Level Sensor Signal (Secondary)

X1-71

--

--

--

X1-72

--

--

--

X1-73

BK

2.0

Ground

Engine Control Module - X2 (LS2)


Object Number: 1989647  Size: CH

Connector Part Information

 

Pin

Wire Colour

Wire Size

Function

X2-1

--

--

--

X2-2

L-GN

0.5

12-Volt Reference

X2-3

GY

0.5

5-Volt Reference

X2-4

--

--

--

X2-5

BN

0.75

TAC Motor Control - 2

X2-6

YE

0.75

TAC Motor Control - 1

X2-7

--

--

--

X2-8

D-GN/WH

0.75

EVAP Canister Purge Solenoid Control

X2-9

--

--

--

X2-10

--

--

--

X2-11

L-GN

0.75

Reverse Lockout Solenoid Control

X2-12

GY/WH

0.5

HO2S Heater Low Control (Bank 1 Sensor 1)

X2-13

L-GN

0.5

HO2S Heater Low Control (Bank 2 Sensor 1)

X2-14

--

--

--

X2-15

--

--

--

X2-16

--

--

--

X2-17

D-BU/WH

0.75

Fuel Injector 8 Control

X2-18

BN/WH

0.75

Fuel Injector 5 Control

X2-19

YE/BK

0.75

Fuel Injector 6 Control

X2-20

BN/BK

0.75

Fuel Injector 1 Control

X2-21

YE/D-GN

0.5

ECT Sensor Signal

X2-22

BN/WH

0.5

Low Reference

X2-23

D-GN/YE

0.5

Oil Temperature Sensor Signal

X2-24

BN/RD

0.5

Low Reference

X2-25

--

--

--

X2-26

D-BU

0.5

Knock Sensor 1 Signal

X2-27

GY

0.5

Low Reference

X2-28

--

--

--

X2-29

L-BU

0.5

Knock Sensor 2 Signal

X2-30

TN

0.5

Low Reference

X2-31

--

--

--

X2-32

PU/WH

0.5

Generator Field Duty Cycle Signal

X2-33

BN

0.5

Oil Level Switch Signal

X2-34

BK

0.5

Low Reference

X2-35

BN/BK

0.5

Low Reference

X2-36

--

--

--

X2-37

L-GN/BK

0.75

Fuel Injector 2 Control

X2-38

PK/BK

0.75

Fuel Injector 3 Control

X2-39

L-BU/BK

0.75

Fuel Injector 4 Control

X2-40

OG/BK

0.75

Fuel Injector 7 Control

X2-41

GY

0.5

5-Volt Reference

X2-42

--

--

--

X2-43

GY

0.5

5-Volt Reference

X2-44

OG

0.35

12-Volt Reference

X2-45

--

--

--

X2-46

--

--

--

X2-47

--

--

--

X2-48

--

--

--

X2-49

--

--

--

X2-50

BN/WH

0.5

Oil Pressure Sensor Signal

X2-51

--

--

--

X2-52

--

--

--

X2-53

OG/BK

0.5

Low Reference

X2-54

--

--

--

X2-55

--

--

--

X2-56

BN/YE

0.5

HO2S Low Signal (Bank 1 Sensor 1)

X2-57

PU/WH

0.5

HO2S High Signal (Bank 1 Sensor 1)

X2-58

L-GN

0.5

MAP Sensor Signal

X2-59

PU

0.5

HO2S High Signal (Bank 2 Sensor 1)

X2-60

BN/RD

0.5

HO2S Low Signal (Bank 2 Sensor 1)

X2-61

OG/WH

0.5

Generator Turn On Signal

X2-62

--

--

--

X2-63

PU

0.5

TP Sensor 2 Signal

X2-64

BN/WH

0.5

CMP Sensor Signal

X2-65

D-GN

0.5

TP Sensor 1 Signal

X2-66

PK/BK

0.5

Low Reference

X2-67

--

--

--

X2-68

D-BU/WH

0.5

CKP Sensor Signal

X2-69

YE/BK

0.5

Low Reference

X2-70

PU

0.5

IC 1 Control

X2-71

PU/WH

0.5

IC 8 Control

X2-72

OG

0.5

IC 7 Control

X2-73

OG/WH

0.5

IC 2 Control

X2-74

L-BU/WH

0.5

IC 6 Control

X2-75

D-GN/RD

0.5

IC 5 Control

X2-76

D-GN/WH

0.5

IC 4 Control

X2-77

L-BU

0.5

IC 3 Control

X2-78

BN

0.5

Low Reference

X2-79

BN/WH

0.5

Low Reference

X2-80

--

--

--

Engine Control Module Connector End Views LWB SWB

Table 1: Engine Control Module - X1 (L98)
Table 2: Engine Control Module - X2 (L98)

Engine Control Module - X1 (L98)


Object Number: 1989343  Size: CH

Connector Part Information

 

Pin

Wire Colour

Wire Size

Function

X1-1

OG/BK

0.5

Park/Neutral Signal

X1-2

--

--

Not Used

X1-3

--

--

Not Used

X1-4

--

--

Not Used

X1-5

--

--

Not Used

X1-6

BN/WH

0.5

Cruise Control Disable Clutch Switch Signal

X1-7

--

--

Not Used

X1-8

L-GN

0.5

Backup Lamp Switch Signal

X1-9

WH/BU

0.5

Stop Lamp Switch Signal

X1-10

PU/WH

0.5

HO2S High Signal (Bank 1 Sensor 2)

X1-11

BN/WH

0.5

HO2S Low Signal (Bank 1 Sensor 2)

X1-12

OG/BK

0.5

A/C Refrigerant Pressure Sensor Signal

X1-13

BN/D-GN

0.5

Low Reference

X1-14

--

--

Not Used

X1-15

--

--

Not Used

X1-16

PU

0.5

Fuel Level Sensor Signal (Primary)

X1-17

D-BU/BK

0.5

High Speed Cooling Fan Relay Control

X1-18

D-BU

0.5

TCM Accessory Signal

X1-19

PK

0.5

Ignition 1 Voltage

X1-20

OG/BK

0.75

Battery Positive Voltage

X1-21

--

--

Not Used

X1-22

--

--

Not Used

X1-23

PU

0.5

Low Reference

X1-24

--

--

Not Used

X1-25

--

--

Not Used

X1-26

--

--

Not Used

X1-27

BN

0.5

High Speed GMLAN Serial Data Bus-

X1-28

BN/BK

0.5

High Speed GMLAN Serial Data Bus+

X1-29

BU/WH

0.5

APP Sensor 1 Signal

X1-30

BN

0.5

Low Reference

X1-31

BN/YE

0.5

Low Reference

X1-32

L-BU

0.5

APP Sensor 2 Signal

X1-33

--

--

Not Used

X1-34

GY

0.5

5-Volt Reference

X1-35

--

--

Not Used

X1-36

BN/YE

0.5

5-Volt Reference

X1-37

BN/RD

0.5

IAT Sensor Signal

X1-38

BN/WH

0.5

Low Reference

X1-39

--

--

Not Used

X1-40

--

--

Not Used

X1-41

YE

0.5

MAF Sensor Signal

X1-42

--

--

Not Used

X1-43

--

--

Not Used

X1-44

--

--

Not Used

X1-45

--

--

Not Used

X1-46

--

--

Not Used

X1-47

PK/BK

0.75

Voltage PT-1

X1-48

--

--

Not Used

X1-49

BN/WH

0.5

HO2S Low Signal (Bank 2 Sensor 2)

X1-50

D-GN/WH

0.5

Fuel Pump Relay Control (Primary)

X1-51

--

--

Not Used

X1-52

YE

0.5

Starter Relay Coil Control

X1-53

--

--

Not Used

X1-54

--

--

Not Used

X1-55

--

--

Not Used

X1-56

WH/BK

0.5

5-Volt Reference

X1-57

--

--

Not Used

X1-58

D-GN

0.5

Low Speed Cooling Fan Relay Control

X1-59

BN

0.5

Main Relay Control

X1-60

--

--

Not Used

X1-61

--

--

Not Used

X1-62

--

--

Not Used

X1-63

--

--

Not Used

X1-64

OG/WH

0.5

HO2S Heater Low Control (Bank 2 Sensor 2)

X1-65

BN

0.5

HO2S Heater Low Control (Bank 1 Sensor 2)

X1-66

--

--

Not Used

X1-67

--

--

Not Used

X1-68

BN/WH

0.5

MIL Control

X1-69

PU

0.5

HO2S High Signal (Bank 2 Sensor 2)

X1-70

L-BU

0.5

Fuel Level Sensor Signal (Secondary)

X1-71

--

--

Not Used

X1-72

--

--

Not Used

X1-73

BK

2.0

Ground

Engine Control Module - X2 (L98)


Object Number: 1989647  Size: CH

Connector Part Information

 

Pin

Wire Colour

Wire Size

Function

X2-1

--

--

Not Used

X2-2

L-GN

0.5

5-Volt Reference

X2-3

GY

0.5

5-Volt Reference

X2-4

--

--

Not Used

X2-5

BN

0.75

TAC Motor Control - 2

X2-6

YE

0.75

TAC Motor Control - 1

X2-7

--

--

Not Used

X2-8

D-GN/WH

0.5

EVAP Canister Purge Solenoid Control

X2-9

--

--

Not Used

X2-10

--

--

Not Used

X2-11

L-GN

0.75

Reverse Lockout Solenoid Control

X2-12

GY/WH

0.5

HO2S Heater Low Control (Bank 1 Sensor 1)

X2-13

L-GN

0.5

HO2S Heater Low Control (Bank 2 Sensor 1)

X2-14

--

--

Not Used

X2-15

--

--

Not Used

X2-16

--

--

Not Used

X2-17

D-BU/WH

0.75

Fuel Injector 8 Control

X2-18

BN/WH

0.75

Fuel Injector 5 Control

X2-19

YE/BK

0.75

Fuel Injector 6 Control

X2-20

BN/BK

0.75

Fuel Injector 1 Control

X2-21

YE/D-GN

0.5

ECT Sensor Signal

X2-22

BN/WH

0.5

Low Reference

X2-23

D-GN/YE

0.5

Oil Temperature Sensor Signal

X2-24

BN/RD

0.5

Low Reference

X2-25

--

--

Not Used

X2-26

D-BU

0.5

Knock Sensor 1 Signal

X2-27

GY

0.5

Low Reference

X2-28

--

--

Not Used

X2-29

L-BU

0.5

Knock Sensor 2 Signal

X2-30

TN

0.5

Low Reference

X2-31

--

--

Not Used

X2-32

PU/WH

0.5

Generator Field Duty Cycle Signal

X2-33

BN

0.5

Oil Level Switch Signal

X2-34

BK

0.5

Low Reference

X2-35

BN/BK

0.5

Low Reference

X2-36

--

--

Not Used

X2-37

L-GN/BK

0.75

Fuel Injector 2 Control

X2-38

PK/BK

0.75

Fuel Injector 3 Control

X2-39

L-BU/BK

0.75

Fuel Injector 4 Control

X2-40

OG/BK

0.75

Fuel Injector 7 Control

X2-41

GY

0.5

5-Volt Reference

X2-42

--

--

Not Used

X2-43

GY

0.5

5-Volt Reference

X2-44

OG

0.5

5-Volt Reference

X2-45

--

--

Not Used

X2-46

--

--

Not Used

X2-47

--

--

Not Used

X2-48

--

--

Not Used

X2-49

--

--

Not Used

X2-50

BN/WH

0.5

Oil Pressure Sensor Signal

X2-51

--

--

Not Used

X2-52

--

--

Not Used

X2-53

OG/BK

0.5

Low Reference

X2-54

--

--

Not Used

X2-55

--

--

Not Used

X2-56

BN/YE

0.5

HO2S Low Signal (Bank 1 Sensor 1)

X2-57

PU/WH

0.5

HO2S High Signal (Bank 1 Sensor 1)

X2-58

L-GN

0.5

MAP Sensor Signal

X2-59

PU

0.5

HO2S High Signal (Bank 2 Sensor 1)

X2-60

BN/RD

0.5

HO2S Low Signal (Bank 2 Sensor 1)

X2-61

OG/WH

0.5

Generator Turn On Signal

X2-62

--

--

Not Used

X2-63

PU

0.5

TP Sensor 2 Signal

X2-64

BN/WH

0.5

CMP Sensor Signal

X2-65

D-GN

0.5

TP Sensor 1 Signal

X2-66

PK/BK

0.5

Low Reference

X2-67

--

--

Not Used

X2-68

D-BU/WH

0.5

CKP Sensor Signal

X2-69

YE/BK

0.5

Low Reference

X2-70

PU

0.5

IC 1 Control

X2-71

PU/WH

0.5

IC 8 Control

X2-72

OG

0.5

IC 7 Control

X2-73

OG/WH

0.5

IC 2 Control

X2-74

L-BU/WH

0.5

IC 6 Control

X2-75

D-GN/RD

0.5

IC 5 Control

X2-76

D-GN/WH

0.5

IC 4 Control

X2-77

L-BU

0.5

IC 3 Control

X2-78

BN

0.5

Low Reference

X2-79

BN/WH

0.5

Low Reference

X2-80

--

--

Not Used