Engine-Codes - Lexus - B1442 LEXUS

B1442 LEXUS Code - Air Inlet Damper Control Servo Motor Circuit

- Code Popularity: 6,035 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
Table of contents

|What are the Possible Causes of the B1442 LEXUS Code?

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

|How to Fix the B1442 LEXUS 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 B1442 LEXUS code?

Labor: 1.0

The cost to diagnose the B1442 LEXUS 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 B1442 LEXUS code possible symptoms?

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

|What Does the B1442 LEXUS Code Mean?

The damper servo (air inlet control) 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 inlet control damper to the appropriate position, which controls the intake air settings (FRESH, FRESH / RECIRCULATION and RECIRCULATION).

Air Inlet Damper Control Servo Motor Circuit

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