Standard Ignition AX290 HVAC Heater Core Temperature Sensor

Overview of Standard Ignition HVAC Heater Core Temperature Sensor AX290

The Standard Ignition HVAC Heater Core Temperature Sensor AX290 is designed to provide accurate temperature readings for the heating and ventilation system in select BMW models. This sensor ensures optimal climate control performance by monitoring heater core temperature and relaying precise data to the vehicle’s HVAC system.

• Terminal Quantity: 2
• Connector Gender: Female
• Terminal Gender: Male
• Connector Quantity: 1
• Connector Shape: Rectangular
• Connector Type: Plug in
• Terminal Type: Pin
• Contents: Sensor only

Detailed Product Description

The AX290 HVAC Heater Core Temperature Sensor from Standard Ignition features a two-terminal design with male pins and a female rectangular plug-in connector, ensuring a secure and reliable electrical connection. This sensor is engineered to accurately measure the temperature of the heater core, providing essential data to the HVAC control module for efficient climate regulation. Its plug-in connector type simplifies integration with the vehicle’s wiring harness, reducing the risk of connection issues.

Compatible with a wide range of BMW models including the 525i, 528i, 530i, 535i, 545i, 550i, 640i, 645Ci, 650i, 740i, 750i, 760Li, ActiveHybrid 5, M5, and M6, this sensor is a direct replacement part designed to meet OEM specifications. The part number AX290 ensures precise fitment and function within these vehicles.

Common Applications and Issues Resolved

• Restores accurate heater core temperature readings for proper HVAC system operation
• Eliminates inconsistent cabin heating or cooling caused by faulty temperature sensing
• Prevents HVAC system errors related to temperature sensor malfunctions
• Helps maintain optimal engine temperature regulation linked to heater core performance
• Addresses issues with climate control responsiveness in BMW 5 Series, 6 Series, and 7 Series models

Installation Notes and Tips

When installing the Standard Ignition AX290 sensor, ensure the vehicle’s ignition is off and the HVAC system is cool to avoid injury. Disconnect the battery before removing the old sensor to prevent electrical shorts. The rectangular female plug-in connector should be carefully aligned with the male terminals to avoid bending pins. Verify secure connection after installation to ensure proper sensor function.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM standards, providing reliable performance and durability. The AX290 sensor undergoes rigorous quality control testing to ensure consistent operation within BMW HVAC systems. Please refer to Standard Ignition’s warranty policy for specific coverage details.