Standard Ignition AX380 Ambient Air Temperature Sensor

Ambient Air Temperature Sensor for Toyota and Lexus

Standard Ignition AX380 is an ambient air temperature sensor for HVAC systems that monitor outside air temperature. It uses a 2-terminal, plug-in connection with a round and rectangular connector shape, black finish, and blade terminals for a direct electrical interface.

Key Features

• Ambient air temperature sensor for HVAC temperature input
• 2-terminal design with female connector and male blade terminals
• Push-on attachment method with one plug-in connector
• Black sensor housing
• No mounting bracket and no wiring harness included
• Standard Ignition AX380 replacement part

Detailed Description

Standard Ignition AX380 is used to provide ambient air temperature data to the vehicle HVAC control system. Accurate outside temperature input helps the system interpret climate conditions and display the correct reading. This part cross-references Toyota/Lexus OE applications such as 8879028090 and aftermarket references including ATSA303 for the same application. Fits 2013-2019 Toyota 4Runner and fits 2015-2019 Lexus GX460, with a 2014 Lexus GX460 application from 8/13. For buyers searching for a Toyota 4Runner ambient air temperature sensor or Lexus GX460 HVAC sensor replacement, AX380 is the direct part number to verify.

What It Helps Address

• Incorrect outside temperature display
• Intermittent or erratic ambient temperature readings
• HVAC control issues tied to faulty temperature input
• Sensor failure from age, exposure, or connector wear
• Replacement needs for a damaged Toyota 4Runner or Lexus GX460 ambient sensor

Installation Notes and Tips

Verify connector style, terminal count, and mounting location before installation. Compare the original sensor to AX380 to confirm the 2-terminal plug-in configuration and push-on attachment method. Inspect the vehicle connector and wiring for corrosion or damage before connecting the new sensor. Confirm fitment for your exact year and build date, especially for the 2014 Lexus GX460 from 8/13 application.

Quality Assurance

Standard Ignition replacement parts are built to match OE-style service needs for HVAC sensor applications. AX380 is a direct-fit ambient air temperature sensor replacement for confirmed Toyota and Lexus applications.