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Home >> Toyota >> 2004 >> Matrix Base, FWD, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 452 (Air Conditioning System - Diagnostics) >> Circuit Inspection >> DTC 31 & 41: Air Mix Damper Position Sensor Circuit >> Circuit Description
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Circuit Description

WARNING: This page is about a different car, the 2002 Toyota Prius. However, it is still accessible from the selected car via links, so may be relevant.

This sensor detects the position of the air mix damper and sends the appropriate signals to the A/C amplifier. The position sensor is built into the air mix control servomotor.

Fig 1: Graphing Damper Opening Angle By Applied Voltage
G01112366Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 2: Identifying DTC 31 & 41 Trouble Areas
G01112367Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002