HomeHVAC > SensorsStandard Ignition AX388 Cabin Air Temperature Sensor
Part #: AX388

Standard Ignition AX388 Cabin Air Temperature Sensor

7 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Toyota, Sienna
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Overview of Standard Ignition AX388 Cabin Air Temperature Sensor

The Standard Ignition AX388 Cabin Air Temperature Sensor is designed specifically for Toyota Sienna models, providing accurate temperature readings to optimize your vehicle's HVAC system performance. This sensor features a durable green and black finish and a reliable plug-in rectangular connector for straightforward installation.

  • Compatible with Toyota Sienna vehicles
  • Part number AX388 for precise identification
  • Green and black color finish for easy recognition
  • Female rectangular plug-in connector with one connector
  • Two male pin terminals for secure electrical connection
  • No mounting brackets or wiring harness included

Detailed Product Description

The Standard Ignition AX388 Cabin Air Temperature Sensor is engineered to monitor the interior air temperature within the cabin of Toyota Sienna vehicles. Featuring a female rectangular plug-in connector with one connector and two male pin terminals, this sensor ensures a stable and accurate electrical connection. The sensor's green and black color finish aids in quick identification during maintenance or replacement. While the sensor does not include mounting brackets or a wiring harness, it is designed to integrate seamlessly with the existing HVAC system components of the Toyota Sienna.

Common Applications and Issues Addressed

  • Helps regulate cabin temperature for consistent climate control
  • Prevents inaccurate temperature readings that can cause HVAC malfunctions
  • Addresses issues with inconsistent air conditioning or heating performance
  • Resolves sensor-related error codes in the vehicle’s HVAC system
  • Improves overall comfort by maintaining proper cabin temperature monitoring

Installation Notes and Tips

Installation of the Standard Ignition AX388 sensor requires access to the HVAC system within the Toyota Sienna. Ensure the vehicle is powered off before beginning installation. The sensor’s female rectangular plug-in connector and two male pin terminals allow for a straightforward connection without the need for additional wiring harnesses or mounting brackets. Verify the sensor is securely connected to avoid intermittent readings. Consult the vehicle’s service manual for specific location and removal instructions.

Quality Assurance and Warranty

Standard Ignition parts, including the AX388 Cabin Air Temperature Sensor, are manufactured to meet or exceed OEM specifications for fit, form, and function. While no specific warranty details are provided here, Standard Ignition typically offers coverage against defects in material and workmanship. For warranty information, refer to the product packaging or contact the manufacturer directly.

BrandStandard Ignition
Part NumberAX388
ColorGreen, Black
Connector GenderFemale
Connector ShapeRectangular
Connector TypePlug In
ContentsSensor
Mounting Bracket(s) IncludedNo
Terminal GenderMale
Terminal TypePins
Wiring Harness IncludedNo

This part fits 7 vehicles. Search below:

YearMakeModelPositionNotes
2010ToyotaSiennaN/ARear window defogger module connector compatible with rear HVAC floor mode door actuator harness and power seat switch.
2009ToyotaSiennaN/ARear window defogger module connector compatible with rear HVAC floor mode door actuator harness and power seat switch.
2008ToyotaSiennaN/ARear window defogger module connector compatible with rear HVAC floor mode door actuator harness and power seat switch.
2007ToyotaSiennaN/ARear window defogger module connector compatible with rear HVAC floor mode door actuator harness and power seat switch.
2006ToyotaSiennaN/ARear window defogger module connector compatible with rear HVAC floor mode door actuator harness and power seat switch.
2005ToyotaSiennaN/ARear window defogger module connector compatible with rear HVAC floor mode door actuator harness and power seat switch.
2004ToyotaSiennaN/ARear window defogger module connector compatible with rear HVAC floor mode door actuator harness and power seat switch.

* 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:

5S8873759498862545020E0ATSA259TS57515WT5824

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