Engine-Codes - Toyota - B1446 Toyota

B1446 Toyota Code - Air Mix Damper Control Servo Motor Circuit Driver Side

- Code Popularity: 11,653 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
Table of contents

|What are the Possible Causes of the Code B1446 Toyota?

  • Faulty Air Mix Damper Control Servo Motor
  • Air Mix Damper Control Servo Motor harness is open or shorted
  • Air Mix Damper Control Servo Motor circuit poor electrical connection
  • Faulty Air Conditioning Amplifier

|How to Fix the B1446 Toyota Code?

Start by checking the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.

|What is the Cost to Diagnose the Code B1446 Toyota?

Labor: 1.0

The cost to diagnose the B1446 Toyota code is 1.0 hour of labor. The auto repair's diagnosis time and labor rates vary by location, vehicle's make and model, and even your engine type. Most auto repair shops charge between $75 and $150 per hour.

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|What are Code B1446 Toyota Possible Symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)

|What Does the B1446 Toyota Code Mean?

The air mix damper servo sends pulse signals to indicate the damper position to the Air Conditioning Amplifier. The Air Conditioning Amplifier activates the motor (normal or reverse) based on these signals to move the air mix damper (driver seat) to the appropriate position. This adjusts the amount of air passing through the heater core after passing the evaporator and controls the temperature of the blown air.

Air Mix Damper Control Servo Motor Circuit Driver Side

|Need more Information on the B1446 Toyota Code?

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|Need Help with the B1446 Toyota Code?

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