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2004 Subaru Impreza WRX STi ECU Diagram
Printable (PDF) version
Connector B134
Pin # |
Name |
Signal Type |
23 |
Engine Speed Output Sensor |
RPM |
Connector B135
Pin # |
Name |
Signal Type |
1 |
Power Ground |
Ground |
27 |
Vehicle Speed Sensor |
Speed |
Connector B136
Pin # |
Name |
Signal Type |
8 |
Brake Switch 2 |
Analog |
9 |
Brake Switch 1 |
Analog |
13 |
Intake Air Temperature Sensor |
Analog |
17 |
Accelerator Position Sensor |
Analog |
18 |
Electric Throttle Sensor |
Analog |
21 |
Fuel Tank Pressure Sensor |
Analog |
22 |
Manifold Absolute Pressure Sensor |
Analog |
23 |
Mass Air Flow Sensor |
Analog |
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