Standard Ignition AX248 Cabin Air Temperature Sensor

Cabin Air Temperature Sensor for Toyota and Lexus

Standard Ignition AX248 is a cabin air temperature sensor used in HVAC systems to monitor interior air temperature and support accurate climate control operation. It features a black finish, a square female plug-in connector, and male blade terminals for a direct electrical connection in the vehicle HVAC circuit.

Compatible With select Toyota Sequoia, Highlander, Lexus LS460, and Lexus LS600h applications, this sensor is a fitment-based replacement for vehicles that use the listed cabin temperature sensor configuration. Standard Ignition AX248 is also referenced by OE and aftermarket cross numbers for the same application.

Key Features

• Cabin air temperature sensor for HVAC temperature feedback
• Black finish
• Female square plug-in connector
• Male blade terminals with 2-terminal layout
• Sensor only; no wiring harness included
• No mounting bracket included

Detailed Description

Standard Ignition AX248 is built for vehicles that rely on an in-cabin temperature signal to help the HVAC control module regulate air delivery and temperature output. This part number is used in select 2007-2017 Lexus LS460, 2009-2016 Lexus LS600h, 2008-2022 Toyota Sequoia, and 2008-2013 Toyota Highlander applications, with fitment notes calling out left-side and front placement where applicable. If you are searching for a cabin air temperature sensor for Toyota Sequoia, Lexus LS460, or Lexus LS600h HVAC repair, AX248 is the direct replacement to verify against the original connector and mounting style.

This part cross-references 8862534040C0 and TS57375 for the same application.

Common Issues This Part May Address

• Incorrect cabin temperature readings on the HVAC display
• Inconsistent air temperature from the climate control system
• Automatic climate control that does not regulate cabin temperature correctly
• Fault codes related to interior temperature sensor input
• Loss of accurate feedback for HVAC blend and blower control logic

Installation Notes and Tips

Verify connector shape, terminal style, and mounting location before installation. Compare the original sensor to the AX248 unit to confirm the square plug-in connector, female connector housing, and blade terminal layout match the vehicle harness. For fitment-specific applications, confirm left-side or front placement as listed for the vehicle. Always inspect the HVAC connector and surrounding wiring for corrosion, bent terminals, or heat damage before replacing the sensor.

Quality Assurance

Standard Ignition is a recognized aftermarket brand for electrical and HVAC service parts. AX248 is supplied as a replacement sensor built to match the listed application requirements for Toyota and Lexus vehicles.