SIRHC LABS 2006-2011 Honda Civic Si 44-Pin Connectors
WIRING
The 2006-2011 Civic Si ECU is in the engine bay next to the battery. The ECU has three 44-Pin connectors (A, B, C). RPM, vehicle speed, and throttle position can all be accessed at the A connector.
- The Cortex EBC wiring harness can be connected to ECU connector A as outlined in the following table. RPM and vehicle speed signals are required for boost by gear applications.
CORTEX EBC TO ECU CONNECTIONS
| CORTEX SIGNAL | CORTEX WIRE COLOR | ECU SIGNAL | ECU PIN | ECU WIRE COLOR |
| Engine Speed | Pink | NEP (Engine Speed Pulse) | A-28 | Blue |
| Vehicle Speed | Green | VSSOUT (Vehicle Speed Output) | A-29 | Blue |
| General-Purpose | Orange | APSA (Accel Pedal Position A) | A-17 | Yellow |
VEHICLE CONFIGURATION SETTINGS
RPM DETECTION
- Mode: RPM
- Pulses Per Cycle: 4
- Rotations Per Cycle: 2
SPEED DETECTION
- Mode: VSS
- Pulses Per Mile: 6,000
- Scale Factor: 1/32
- Hz Limit: 12.5 KHz
GEAR DETECTION
- Follow the steps in the Setup – Gear Detection section of the Help utility to determine the correct EVS ratio settings for gear detection.
THROTTLE POSITION DETECTION
- Mode: TPS
- Closed TPS Voltage: 0.50
- Open TPS Voltage: 4.70
- SIRHC Labs 2022
