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.
VSA Modulator-Control Unit Connector for Inputs and Outputs (2016 2017 2018)
2020 Honda HR-V LX, FWDSECTION VSA Modulator-Control Unit Connector for Inputs and Outputs (2016 2017 2018)
VSA Modulator-Control Unit Inputs and Outputs for 21P ConnectorΒ
| Terminal number | Terminal sign | Description |
|---|---|---|
| 1 | GND | Ground for the VSA modulator-control unit |
| 2 | GND | Ground for the pump motor |
| 3 | +B ABS/VSA FSR | Power source for the fail-safe relay |
| 4 | +B ABS/VSA MTR | Power source for the motor relay |
| 5 | BRK LAMP | Drive the brake light relay |
| 6 | IG1 VSA/EPS | Power source for activating the system |
| 7 | STOP SW | Drive the brake light relay |
| 8 | F-CAN_H | F-CAN communication circuit |
| 9 | Not used | --- |
| 10 *1 | RVS SW (EPB) | Detect back-up light switch signal |
| 11 | RR R ABS SNSR+ | Detects right-rear wheel speed sensor signal |
| 12 | FR L ABS SNSR+ | Detects left-front wheel speed sensor signal |
| 13 | RR L ABS SNSR+ | Detects left-rear wheel speed sensor signal |
| 14 | FR R ABS SNSR+ | Detects right-front wheel speed sensor signal |
| 15 | F-CAN_L | F-CAN communication circuit |
| 16 | Not used | --- |
| 17 | K LINE | Communication with HDS |
| 18 | RR R ABS SNSR- | Detects right-rear wheel speed sensor signal |
| 19 | FR L ABS SNSR- | Detects left-front wheel speed sensor signal |
| 20 | RR L ABS SNSR- | Detects left-rear wheel speed sensor signal |
| 21 | FR R ABS SNSR- | Detects right-front wheel speed sensor signal |
*1: M/T
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:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.