Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
TPMS Control Unit Inputs and Outputs for 20P Connector
2008 Honda Civic Si, 4D SedanSECTION TPMS Control Unit Inputs and Outputs for 20P Connector
TERMINAL DESCRIPTION CHART
| Terminal number | Wire color | Terminal sign | Description | Signal |
|---|---|---|---|---|
| 2 | WHT | CAN H (F-CAN communication signal high) | F-CAN communication circuit | Ignition switch ON (II): pulses |
| 3 | BLK | GND (Ground) | Ground for the TPMS control unit | Less than 0.1 V at all times |
| 7 | LT BLU | K-LINE (Data link connector) | Communications with the HDS | - |
| 8 | BRN | IG1 (Ignition switch 1) | Power source for activating the system | Ignition switch ON (II): battery voltage (about 12 V) |
| Ignition switch LOCK (0): less than 0.1 V | ||||
| 10 | BLU | +B (Battery positive) | Power source for the TPMS control unit | Battery voltage (about 12 V) at all times |
| 11 | RED | CAN L (F-CAN communication signal low) | F-CAN communication circuit | Ignition switch ON (II): pulses |
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.