OEM Throttle Body Position Sensor For Honda Acura 16402-RAA-A01

The sensor operates by detecting the throttle valve position and converting mechanical rotation into an electrical signal. The signal voltage varies proportionally with throttle opening, providing the ECU with continuous, real-time data for fuel injection and ignition timing adjustments. The sensor features a 3-pin connector configuration with precise electrical contacts for reliable signal transmission.

The Throttle Position Sensor 16402-RAA-A01 is identified by the following Original Equipment (OE) reference numbers and cross-references:

Common Reference Designations:

• Throttle Position Sensor (TPS)

• Accelerator Throttle Position Sensor

• Throttle Potentiometer

• TPS Sensor

Important Note: The JT6H reference number is the critical identifier for this sensor. When sourcing a replacement, always verify that the reference number stamped on your existing sensor matches JT6H or JT6HB to ensure proper fitment and correct rotation direction.

The Throttle Position Sensor 16402-RAA-A01 is designed for compatibility with a range of Honda and Acura vehicles.

Power Range:

• Various engine outputs across compatible models

Important Compatibility Notes:

• This sensor is an Original Equipment (OE) number for Honda and Acura vehicles

• Compatible with both manual and automatic transmission variants

• Always cross-check the OE reference number against the number found on your current unit to ensure proper fitment

• The JT6H / JT6HB reference is critical for ensuring correct rotation direction

• Use the vehicle selector or contact a supplier with your VIN for a guaranteed-fit recommendation

A failing or malfunctioning Throttle Position Sensor can produce a range of drivability issues. Below are the most common symptoms to watch for:

One of the earliest indicators of a TPS problem is the illumination of the Malfunction Indicator Lamp (Check Engine Light) on the dashboard. Common diagnostic trouble codes (DTCs) associated with TPS failure include:

• P0120 – Throttle/Pedal Position Sensor/Switch "A" Circuit Malfunction

• P0121 – Throttle/Pedal Position Sensor/Switch "A" Circuit Range/Performance

• P0122 – Throttle/Pedal Position Sensor/Switch "A" Circuit Low Input

• P0123 – Throttle/Pedal Position Sensor/Switch "A" Circuit High Input

The most common symptom of a faulty TPS is hesitation whenever the accelerator is pressed. The vehicle may jerk or stumble because the malfunctioning sensor fails to send proper throttle position data, causing an imbalance in the air-fuel mixture needed for smooth acceleration.

A faulty TPS can cause the engine idle speed to fluctuate unpredictably. The idle may be too high or too low, leading to rough idling or "hunting" RPMs. In some cases, the idle RPM may be abnormally high—for example, remaining at approximately 1,500 RPM.

Since the ECU relies on throttle position data to determine the correct air-fuel ratio, a defective sensor may cause incorrect fuel trims, leading to poor fuel consumption.

The engine may stall unexpectedly—particularly when stopping or at idle—as the ECU receives incorrect throttle position signals and fails to maintain proper air or fuel delivery.

A failing TPS can cause a noticeable lack of power or poor acceleration response. The vehicle may feel sluggish or struggle to reach speed.

The vehicle may experience surging or "bucking" while maintaining a steady speed, as the ECU receives fluctuating throttle position signals.

A malfunctioning TPS can cause harsh, delayed, or erratic shifting in automatic transmissions. The transmission control module uses TPS data as one of the inputs for shift timing.

• Wear and tear – Internal potentiometer tracks wear over time due to repeated throttle movements

• Carbon buildup – Excessive carbon deposits on the throttle body can cause the sensor to stick

• Physical damage – Impact or mechanical stress can damage the sensor housing or internal components

• Open or short circuit – Wiring issues in the sensor circuit

• Moisture ingress – Liquid intrusion can cause corrosion and electrical shorts

When sourcing or purchasing the Throttle Position Sensor 16402-RAA-A01, consider the following factors to ensure optimal performance and compatibility:

Always confirm that the part number on your existing sensor matches 16402-RAA-A01 (or 16402RAAA01). The JT6H or JT6HB reference number stamped on the component is equally important. Cross-check the OE reference number against the number found on your current unit before purchasing.

Ensure the sensor is compatible with your specific vehicle make, model, year, engine size, and transmission type. This sensor is primarily designed for Honda Accord (2003–2005), Civic (2001–2005), CR-V (2002–2006), Element (2003–2006), and Acura RSX (2002–2006). Selecting the wrong sensor can lead to poor engine response or persistent check engine light issues.

One of the most critical compatibility factors is the rotation direction. Some aftermarket sensors may rotate in the wrong direction and will not function correctly. Always verify that the replacement sensor matches the rotation direction of your original unit.

Confirm that the connector type and pin configuration match your vehicle's wiring harness. This sensor features a 3-pin connector.

Look for sensors constructed with durable automotive-grade materials. High-quality sensors are built to the same dimensional and material standards as the original part they replace, ensuring reliable performance and a long service life.

Prioritize products that meet or exceed OEM standards. Parts that match the same OE specification used by the vehicle manufacturer ensure proper fit and function.

When sourcing from suppliers, evaluate their quality assurance processes and production capacity. Look for evidence of:

• Strict quality control standards meeting OEM specifications

• 100% factory testing

• Full manufacturer traceability

• Warranty coverage (many suppliers offer 12-month warranties)

During installation, ensure that:

• The sensor is properly aligned with the throttle shaft

• Mounting screws are tightened to the correct torque specification

• The connector is securely fastened

• Sensor wires are not routed over sharp edges

• Proper clearance is maintained from ignition HT leads, coil leads, and other sources of electrical interference

After installation, it is recommended to verify the sensor operation using a diagnostic scan tool. Check that the throttle position readings are smooth and consistent throughout the full range of throttle movement and that the warning light is no longer illuminated.

Consider products that come with warranty coverage and technical support. A warranty can provide assurance of product quality and reliability. Many suppliers offer a 12-month warranty on TPS products.

• The sensor is a potentiometer-type device that provides continuous variable voltage output proportional to throttle position

• The sensor features a 3-pin connector configuration

• The sensor is mounted on the throttle body and detects the throttle valve angle

• The sensor converts throttle position into a voltage signal input to the ECU

• The JT6H / JT6HB reference number is critical for ensuring correct compatibility

• Proper calibration is essential for accurate throttle response; voltage verification using a scan tool is recommended after installation

• This sensor is an Original Equipment (OE) number for Honda and Acura vehicles

• The sensor is supplied as a complete unit—no additional components are required for installation

• Replacing worn components on schedule preserves your vehicle's safety, reliability, and resale value