Air Outlet Servomotor: Inspection

WARNING: This page is about a different car, the 2003 Lexus IS 300. However, it is still accessible from the selected car via links, so may be relevant.

REMOVE INSTRUMENT PANEL (See INSTRUMENT PANEL )
REMOVE AIR DUCT
1. Disconnect the connector clamp.
2. Remove the 3 screws and air duct.
Fig 1: Removing Air Duct Screws
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REMOVE AIR OUTLET SERVOMOTOR
1. Disconnect the connector.
2. Remove the 2 screws and servomotor.
Fig 2: Removing Air Outlet Servomotor
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INSPECT AIR OUTLET SERVOMOTOR OPERATION
1. Connect the positive (+) lead from the battery to terminal 7 and negative (-) lead to terminal 6, then check that the arm turns to "FACE" side smoothly.
  
  Fig 3: Inspecting Air Outlet Servomotor Operation
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Connect the positive (+) lead from the battery to terminal 6 and negative (-) lead to terminal 7, then check that the arm turns to "DEF" side smoothly.
If operations are not as specified, replace the servomotor.

Fig 4: Inspecting Air Outlet Servomotor Operation
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
INSPECT POSITION SENSOR RESISTANCE
Measure resistance between terminals at servomotor arm each position as shown in the chart.

Fig 5: Sensor Resistance Condition Chart
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Fig 6: Inspecting Position Sensor Resistance
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If resistance is not as specified, replace the servomotor.
1. Install the servomotor with the 2 screws.
2. Connect the connector.
Fig 7: Installing Air Outlet Servomotor
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
INSTALL AIR DUCT
1. Install the air duct with the 3 screws.
2. Connect the connector clamp.
INSTALL INSTRUMENT PANEL (See INSTRUMENT PANEL )

Fig 8: Install Air Duct Screws
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002