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Tuner Resources

1997 - 1999 Nissan Sentra (excludes 97 2.0L) ECU Diagram

Printable (PDF) version

Pin #

Name

Signal Type

3

Tachometer Signal

RPM

23

Throttle Position Sensor

Analog

26

Vehicle Speed Sensor

Speed

28

Intake Air Temperature Sensor

Analog

46

O2 Sensor Signal (Front)

Analog

47

Mass Air Flow Sensor

Analog

48

Mass Air Flow Sensor Ground

Ground

50

Sensor Ground

Ground

51

Engine Coolant Temperature Sensor

Analog

52

O2 Sensor Signal (Rear)

Analog

102

Injector # 1

Speed

104

Injector # 3

Speed

107

Injector # 2

Speed

109

Injector # 4

Speed

118

Power Ground (Electronic Concentrated Control System)

Ground

 

 

 

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