HomeHVAC > SensorsStandard Ignition AX525 Cabin Air Temperature Sensor
Part #: AX525

Standard Ignition AX525 Cabin Air Temperature Sensor

⚙️ 11 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Toyota and Lexus, Sienna and LX570
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Overview of Standard Ignition AX525 Cabin Air Temperature Sensor

The Standard Ignition AX525 Cabin Air Temperature Sensor is designed to provide accurate temperature readings inside the vehicle cabin. Specifically compatible with Lexus LX570 and Toyota Sienna models, this sensor helps maintain optimal HVAC system performance by monitoring cabin air temperature.

  • Color/Finish: Brown for easy identification
  • Connector Gender: Female with a single connector
  • Connector Shape: Square plug and socket type
  • Terminal Gender: Male with two blade terminals
  • Mounting Bracket: Not included
  • Wiring Harness: Not included

Detailed Product Description

The AX525 cabin air temperature sensor from Standard Ignition is engineered to deliver reliable temperature data to your vehicle’s HVAC system. Featuring a brown finish, this sensor includes a female connector with a square shape designed for a secure plug and socket connection. It has two male blade terminals ensuring proper electrical contact. While the sensor does not come with a mounting bracket or wiring harness, it is designed for straightforward integration into the HVAC system of Lexus LX570 and Toyota Sienna vehicles. This part number AX525 meets OEM specifications to maintain system accuracy and efficiency.

Common Applications and Issues Addressed

  • Helps regulate cabin temperature for consistent climate control
  • Prevents HVAC system from overcooling or overheating
  • Resolves inaccurate temperature readings inside the vehicle
  • Supports proper operation of automatic climate control systems
  • Addresses sensor failure symptoms such as erratic fan speeds or temperature fluctuations

Installation Notes and Tips

Installation of the Standard Ignition AX525 sensor requires access to the HVAC system’s sensor port. Since the product does not include a mounting bracket or wiring harness, ensure existing components are in good condition or replaced as needed. The female square connector and male blade terminals should be connected securely to avoid loose contacts. It is recommended to verify sensor calibration after installation to confirm accurate temperature readings in Lexus LX570 and Toyota Sienna models.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM standards for fit, form, and function. The AX525 cabin air temperature sensor undergoes rigorous quality control to ensure durability and reliable performance. Warranty coverage details should be confirmed with the product documentation or supplier, typically offering protection against manufacturing defects.

BrandStandard Ignition
Part NumberAX525
ColorBrown
Connector GenderFemale
Connector ShapeSquare
Connector TypePlug; Socket
Mounting Bracket(s) IncludedNo
Terminal GenderMale
Terminal TypeBlade
Wiring Harness IncludedNo

This part fits 11 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2020ToyotaSienna3.5LV6N/A
2019ToyotaSienna3.5LV6N/A
2018ToyotaSienna3.5LV6N/A
2017ToyotaSienna3.5LV6N/A
2016ToyotaSienna3.5LV6N/A
2015ToyotaSienna3.5LV6N/A
2014ToyotaSienna3.5LV6N/A
2011LexusLX5705.7LV8N/A
2010LexusLX5705.7LV8N/A
2009LexusLX5705.7LV8N/A
2008LexusLX5705.7LV8N/A

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

8862545020B2ATSA281TS57652WT5961

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.