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Home >> Toyota >> 2001 >> Sienna CE >> Repair and Diagnosis >> External Pages >> Different car >> Section 477 (Air Conditioning System - Diagnosis) >> Circuit Inspection >> DTC B1442/42 Air Inlet Damper Control Servomotor Circuit >> Circuit Description

Circuit Description

WARNING: This page is about a different car, the 2003 Lexus LS 430. However, it is still accessible from the selected car via links, so may be relevant.

The air inlet damper control servomotor is controlled by the A/C ECU and moves the air inlet damper to the desired position.

DETECTION ITEM

DTC No. Detection item Trouble Area
B1442/42 Air inlet damper position sensor value does not change even if A/C ECU operated air inlet damper control servomotor.
  • Air inlet damper position sensor.
  • Harness or connector between air inlet damper control servomotor assembly and A/C ECU.
  • A/C ECU.
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