Toyota Prius 3rd Gen Front Height Control Sensor Sub–Assembly RH

Toyota Prius 3 ^rd Generation (XW30)

Front Height Control Sensor Sub–Assembly RH Wiring Guide: DIY Pinout Diagram

What is: The Vehicle Front Height Control Sensor Sub-Assembly RH is a suspension sensor mounted on the right-hand front side of a vehicle. It measures the distance between the body and suspension to detect ride height changes. This data is sent to control units to adjust headlight leveling or suspension systems, ensuring proper vehicle stance, stability, and safe road illumination.

Front Height Control Sensor Sub–Assembly RH (89408-47010)

Toyota Prius front suspension sensor for headlight leveling RH side

Toyota Prius 3rd Gen front right height control sensor sub-assembly 89408-47010

Right front suspension ride height sensor for Prius 3rd generation vehicle

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1. Introduction

      The  Toyota Prius 3rd Generation Front Height Control Sensor Sub-Assembly RH (89408-47010) is a vital chassis-mounted sensor that monitors the vehicle’s right-front ride height. Installed on the suspension arm, it detects vertical movement caused by passenger load, braking, or uneven road surfaces. The sensor transmits precise height signals to the Headlight Leveling ECU and related control systems, allowing automatic headlamp adjustment to prevent glare and maintain optimal visibility. By ensuring correct vehicle posture and lighting alignment, this sensor supports driving safety, comfort, and regulatory compliance, making it an essential component of the Prius suspension and lighting control system.

1. Related parts and Accessories
   • Headlight Leveling ECU:-receives height signals and adjusts headlamp angle.
   • Front Height Control Sensor LH:-provides left-side height data for balance.
   • Headlight Leveling Motor Assemblies (LH & RH):-physically move the headlamps.
   • Suspension Components (strut, control arm, link rod):-provide mechanical reference.
   • Vehicle Body ECU / CAN Network:-shares height information with other systems.
   • Wiring Harness & Connectors:-transmit sensor signals reliably.

2. Front Height Control Sensor Sub–Assembly RH Wiring Diagram & Pinout

A. Connector Location

• Front Height Control Sensor Sub–Assembly RH Position: The Front Height Control Sensor Sub-Assembly RH is mounted on the right-front suspension lower control arm, measuring ride height changes to assist headlight leveling and vehicle stability systems.




• Connector Type:
  • S3 (3 pin) Black housing

B. Wiring Table

Front Height Control Sensor Sub–Assembly RH (S3)

S3 TERMINALS OF FRONT HEIGHT CONTROL SENSOR SUB–ASSEMBLY RH CONNECTOR

Terminal No	Symbol	Wiring (Color Code) & Color	Electrical Paths
S3-1	SHG	(Y) Yellow	➳ LS1 16
S3-2	SHRR	(L) Blue	➳ LS1 15
S3-3	SHB	(P) Pink	➳ LS1 14

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