Aisin RST-004-1 Automatic Transmission Revolution Sensor

Reliable Automatic Transmission Revolution Sensor for Toyota and Scion

The Aisin RST-004-1 Automatic Transmission Revolution Sensor is designed to provide accurate transmission speed data for select Toyota and Scion vehicles. This sensor ensures proper transmission operation and helps maintain smooth shifting performance.

• Compatible with Toyota Camry, Highlander, RAV4, Sienna, Venza, and Scion tC models
• OEM-quality replacement part from Aisin
• Part number RST-004-1 for precise identification
• Measures transmission revolution speed for automatic transmissions
• Durable construction for reliable long-term use

Product Overview and Functionality

The Aisin Automatic Transmission Revolution Sensor (part number RST-004-1) plays a critical role in monitoring the rotational speed of the transmission components. By providing real-time data to the vehicle’s transmission control module, it helps regulate shift timing and torque converter lockup. This sensor is engineered to meet the specifications required by Toyota and Scion automatic transmissions, ensuring compatibility and consistent performance across models such as the Camry, Highlander, RAV4, Sienna, Venza, and Scion tC.

Compatible Vehicles and Applications

This sensor is specifically designed for use in the following vehicles:

• Toyota Camry automatic transmission systems
• Toyota Highlander transmission speed monitoring
• Toyota RAV4 automatic transmission control
• Toyota Sienna transmission revolution sensing
• Toyota Venza transmission speed sensor replacement
• Scion tC automatic transmission sensor upgrade

Common Issues Addressed by the RST-004-1 Sensor

• Erratic or delayed shifting in automatic transmissions
• Transmission slipping or failure to engage gears properly
• Check engine or transmission warning lights related to speed sensor faults
• Inaccurate speedometer or transmission speed readings
• Transmission control module errors due to faulty sensor input

Installation Notes and Tips

When installing the Aisin RST-004-1 sensor, ensure the vehicle is safely lifted and the transmission area is clean. Disconnect the battery before removal to prevent electrical issues. Carefully unplug the old sensor and avoid damaging the wiring harness. Align the new sensor properly and secure it according to manufacturer torque specifications. After installation, clear any diagnostic trouble codes and test drive the vehicle to confirm proper transmission operation.

Quality Assurance and Warranty

Aisin manufactures the RST-004-1 sensor to meet strict OEM standards, ensuring reliable performance and durability. While specific warranty details may vary, Aisin parts typically come with a limited warranty covering defects in materials and workmanship. Using this sensor helps maintain the integrity of your Toyota or Scion automatic transmission system.