Standard Ignition TH120 Throttle Position Sensor

Overview of Standard Ignition TH120 Throttle Position Sensor

The Standard Ignition TH120 throttle position sensor is designed for precise throttle monitoring in select INFINITI, Mercury, and Nissan vehicles. This sensor ensures accurate throttle input data for optimal engine performance and emission control.

• Connector Gender: Female; female
• Connector Quantity: 2
• Connector Type: Plug in
• Terminal Gender: Male
• Terminal Quantity: 3; 3
• Terminal Type: Blade

Technical Details and Compatibility

The TH120 throttle position sensor features a dual female plug-in connector with two connectors and three male blade terminals, providing reliable electrical connections. This configuration supports stable signal transmission essential for throttle position feedback. Compatible with various models including the Nissan 200SX, 300ZX, D21, M30, Maxima, Pathfinder, Quest, Villager, as well as select INFINITI and Mercury vehicles, this sensor meets the specific electrical and mechanical requirements of these applications.

Function and Application

This throttle position sensor is used to monitor the position of the throttle valve in the engine, providing critical input to the engine control unit (ECU) for fuel and ignition management. It helps address issues such as:

• Erratic or unstable idle speed
• Poor acceleration response
• Engine stalling or hesitation
• Check engine light triggered by throttle position faults
• Reduced fuel efficiency due to inaccurate throttle data

Installation Notes and Tips

When installing the Standard Ignition TH120 sensor, ensure the vehicle’s ignition is off and the battery is disconnected to prevent electrical shorts. Verify connector orientation matches the female plug-in connectors and that the three male blade terminals align correctly. Avoid forcing connectors to prevent damage. After installation, clear any diagnostic trouble codes and perform a throttle position sensor calibration if required by the vehicle’s service manual.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM specifications, ensuring reliable performance and durability. The TH120 throttle position sensor undergoes rigorous testing for electrical and mechanical integrity. This part is backed by Standard Ignition’s limited warranty, providing coverage against defects in materials and workmanship under normal use.