HomeHVAC > SensorsStandard Ignition AX434 HVAC Heater Core Temperature Sensor
Part #: AX434

Standard Ignition AX434 HVAC Heater Core Temperature Sensor

⚙️ 33 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Toyota, Camry
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Overview of Standard Ignition HVAC Heater Core Temperature Sensor AX434

The Standard Ignition HVAC Heater Core Temperature Sensor AX434 is designed to provide accurate temperature readings for the heating and cooling system in select Toyota vehicles. This sensor ensures optimal HVAC performance by monitoring heater core temperature and enabling precise climate control.

  • Connector Gender: Female
  • Connector Quantity: 1
  • Connector Shape: Rectangular
  • Connector Type: Plug in
  • Terminal Gender: Male
  • Terminal Quantity: 2
  • Terminal Type: Pins
  • Compatible with multiple Toyota models including Avalon, Camry, Corolla, Highlander, RAV4, RAV4 Prime, Sienna, C-HR, and Venza

Detailed Product Description

The AX434 HVAC Heater Core Temperature Sensor from Standard Ignition is engineered to fit a range of Toyota vehicles, including the Avalon, Camry, Corolla, Highlander, RAV4, RAV4 Prime, Sienna, C-HR, and Venza. Featuring a female rectangular plug-in connector with one connection point, this sensor uses two male pin terminals to ensure a secure and reliable electrical connection. The sensor’s design supports accurate temperature detection within the HVAC system, which is critical for maintaining cabin comfort and system efficiency.

Common Applications and Issues Addressed

  • Helps regulate heater core temperature for consistent cabin heating
  • Prevents HVAC system overheating or underperformance
  • Resolves inaccurate temperature readings causing climate control errors
  • Supports proper operation of automatic climate control systems
  • Addresses sensor-related HVAC warning lights or fault codes

Installation Notes and Tips

When installing the Standard Ignition AX434 sensor, ensure the vehicle is turned off and the HVAC system is cool to avoid injury. The rectangular female plug-in connector should be securely attached to the corresponding male terminal on the vehicle wiring harness. Verify that the two male pin terminals are properly aligned and seated to prevent electrical issues. It is recommended to consult the vehicle’s service manual for specific removal and installation procedures related to the heater core temperature sensor.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM specifications, providing reliable performance and durability. The AX434 sensor undergoes rigorous quality control testing to ensure proper fit and function in compatible Toyota models. Warranty coverage details can be found through Standard Ignition’s official documentation, typically offering limited warranty protection against defects in materials and workmanship.

BrandStandard Ignition
Part NumberAX434
Connector GenderFemale
Connector ShapeRectangular
Connector TypePlug In
ContentsSensor
Terminal GenderMale
Terminal TypePins

This part fits 33 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2023ToyotaCamryGASN/A
2023ToyotaCorolla2.0LL4GASN/A
2023ToyotaHighlander2.5LL4FULL HYBRID EV-GAS (FHEV)N/A
2023ToyotaRAV42.5LL4GASN/A
2023ToyotaRAV4 Prime2.5LL4PLUG-IN HYBRID EV-GAS (PHEV)N/A
2023ToyotaSienna2.5LL4FULL HYBRID EV-GAS (FHEV)N/A
2023ToyotaVenza2.5LL4FULL HYBRID EV-GAS (FHEV)N/A
2022ToyotaC-HR2.0LL4GASN/A
2022ToyotaCamryGASN/A
2022ToyotaCorolla2.0LL4GASN/A
2022ToyotaRAV42.5LL4GASN/A
2022ToyotaRAV4 Prime2.5LL4PLUG-IN HYBRID EV-GAS (PHEV)N/A
2022ToyotaSienna2.5LL4FULL HYBRID EV-GAS (FHEV)N/A
2022ToyotaVenza2.5LL4FULL HYBRID EV-GAS (FHEV)N/A
2021ToyotaAvalonGASN/A
2021ToyotaC-HR2.0LL4GASN/A
2021ToyotaCamryGASN/A
2021ToyotaCorolla2.0LL4GASN/A
2021ToyotaRAV42.5LL4GASN/A
2021ToyotaRAV4 Prime2.5LL4PLUG-IN HYBRID EV-GAS (PHEV)N/A
2021ToyotaSienna2.5LL4FULL HYBRID EV-GAS (FHEV)N/A
2020ToyotaAvalonGASN/A
2020ToyotaC-HR2.0LL4GASN/A
2020ToyotaCamryGASN/A
2020ToyotaCorolla2.0LL4GASN/A
2020ToyotaRAV42.5LL4GASN/A
2019ToyotaAvalon2.5LL4FULL HYBRID EV-GAS (FHEV)N/A
2019ToyotaC-HR2.0LL4GASN/A
2019ToyotaCamryN/AManufactured in the United States for ABS Wheel Speed Sensor.
2019ToyotaCorolla2.0LL4GASN/A
2019ToyotaRAV42.5LL4GASN/A
2018ToyotaC-HR2.0LL4GASN/A
2018ToyotaCamryN/AManufactured in the United States for ABS Wheel Speed Sensor.

* 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:

886200E050ATSA354TS57561WT5870

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