Standard Ignition AX455 HVAC Heater Core Temperature Sensor

HVAC Heater Core Temperature Sensor for Toyota

Standard Ignition AX455 is an HVAC heater core temperature sensor built for Toyota climate control systems that rely on accurate temperature feedback. It uses a square plug-in connector with a female connector housing and male pin terminals for a direct electrical interface.

Key Features

• HVAC heater core temperature sensor for interior climate control monitoring
• Square plug-in connector with 1 female connector and 2 male pin terminals
• Sensor-only content for service replacement applications
• Direct-fit style electrical connection for Toyota HVAC systems
• Standard Ignition AX455 cross-references OE-style replacement numbers for the same application

Detailed Description

Standard Ignition AX455 is a heater core temperature sensor used in HVAC systems to report temperature conditions to the vehicle’s climate control module. This sensor supports accurate heater core temperature feedback, which is important for consistent cabin temperature regulation and proper HVAC operation. It is a fitment-based replacement for select Toyota 4Runner, Highlander, and Sienna applications, including Fits 2010-2020 Toyota 4Runner, N/A; Fits 2016-2019 Toyota Highlander, N/A; and Fits 2007-2010 Toyota Sienna, N/A. This part cross-references OE-style numbers such as 8862008010 and ATSA234 for the same application.

What This Sensor Helps Address

• Inaccurate heater core temperature readings
• HVAC temperature control irregularities
• Climate system response issues tied to sensor feedback
• Fault codes related to heater core temperature sensing
• Poor cabin temperature consistency in Toyota 4Runner, Highlander, or Sienna models

Installation Notes and Tips

Verify connector shape, terminal style, and vehicle fitment before installation. Standard Ignition AX455 uses a square, plug-in connector with female housing and male pin terminals, so the replacement should match the original electrical interface on the vehicle. Confirm the application against the exact model year before service, especially on Toyota 4Runner, Highlander, and Sienna HVAC systems.

Quality Assurance

Standard Ignition is a recognized aftermarket brand for electrical and engine management components, and AX455 is built to match the specified connector and sensor configuration for the listed Toyota applications.