Standard Ignition SC503 Automatic Transmission Output Shaft Speed Sensor

Overview of Standard Ignition SC503 Output Shaft Speed Sensor

The Standard Ignition SC503 is a new automatic transmission output shaft speed sensor designed for select Lexus and Toyota models. This bolt-on sensor features a green finish and a female rectangular plug-in connector, engineered to provide reliable transmission speed data for optimal vehicle performance.

• Attachment Method: Bolt on for secure mounting
• Color/Finish: Green for easy identification
• Connector Gender: Female with a rectangular plug-in design
• Number of Connectors: 1
• Terminal Type: Male blade terminals (2 terminals)
• Mounting Type: Single bolt mount with 1 bolt hole
• Hardware and wiring harness not included
• New, not remanufactured

Detailed Product Description

The Standard Ignition SC503 automatic transmission output shaft speed sensor is engineered to monitor the rotational speed of the transmission output shaft accurately. It is compatible with various Lexus and Toyota vehicles, including the Avalon, ES330, Highlander, RAV4, RX330, and Solara models. The sensor’s bolt-on attachment method ensures a secure fit using a single bolt hole, simplifying installation without the need for additional mounting hardware or brackets.

Featuring a green color finish, the sensor is easily distinguishable during maintenance or replacement. The female rectangular connector with a plug-in design allows for straightforward electrical connection, while the two male blade terminals provide reliable signal transmission. This sensor does not include a wiring harness or dust shield, so it is intended for direct replacement where existing wiring and protective components remain intact.

Compatible Vehicles and Applications

• Lexus Avalon transmission output shaft speed sensor replacement
• Toyota ES330 automatic transmission sensor upgrade
• Highlander and RAV4 transmission speed sensor compatible part
• RX330 and Solara output shaft speed sensor for transmission diagnostics

Common Issues Addressed by SC503 Sensor

• Erratic or inaccurate transmission speed readings
• Transmission shifting problems or delayed gear engagement
• Check engine light triggered by transmission sensor faults
• Intermittent loss of speed signal affecting transmission control
• Diagnostic trouble codes related to output shaft speed sensor failure

Installation Notes and Tips

Installation of the Standard Ignition SC503 sensor requires removal of the old sensor and securing the new sensor using the single bolt mount. Since no mounting hardware or wiring harness is included, retain existing components for reinstallation. Ensure the connector is fully seated and locked to prevent signal interruptions. It is recommended to verify sensor alignment and clean the mounting surface before installation to maintain accurate readings.

Quality Assurance and Warranty

Standard Ignition provides this SC503 sensor as a new, direct replacement part manufactured to meet or exceed OEM specifications. While hardware and harnesses are not included, the sensor undergoes quality checks to ensure reliable performance. Warranty coverage details should be confirmed with the point of purchase or Standard Ignition documentation.