Toyota Sienna Service Manual: For rear air conditioning system
ON-VEHICLE INSPECTION
1. INSPECT REAR AIR MIX CONTROL SERVO MOTOR
(a) Inspect servo motor operation.
(1) Connect the positive (+) lead from the battery to terminal 4 and negative (-) lead to terminal 5, then check that the arm turns to "HOT" side smoothly.
(2) Connect the positive (+) lead from the battery to terminal 5 and negative (-) lead to terminal 4, then check that the arm turns to "COOL" side smoothly.
If the operations are not as specified, replace the rear radiator unit sub-assembly (rear air mix control servo motor).
For front passenger side
ON-VEHICLE INSPECTION
1. INSPECT AIR MIX CONTROL SERVO MOTOR
(a) Remove the air mix control servo motor.
(b) Connect the positive (+) lead from the battery to
terminal 4 and negative (-) lea ...
Rear blower resistor
ON-VEHICLE INSPECTION
1. INSPECT REAR BLOWER MOTOR CONTROLLER
(a) Measure resistance according to the value(s) in the
table below..
Standard resistance
If the resistance is not as specif ...
Other materials:
Front Occupant Classification Sensor LH Collision
Detection
DTC B1785 Front Occupant Classification Sensor LH Collision
Detection
DESCRIPTION
DTC B1785 is output when the occupant classification ECU receives a collision
detection signal sent by
the front occupant classification sensor LH if an accident occurs.
DTC B1785 is also output when the front ...
Other functions
Switching between outside air and recirculated air modes
Press .
The mode switches between outside air mode (
appears on the
display) and recirculated air mode (
appears on the display) each
time the button is pressed.
Defogging the windshield
Defoggers are used to defog the windshield a ...
Removal
1. REMOVE FRONT SEAT INNER BELT ASSEMBLY
HINT:
Refer to the instructions for disassembly of the front seat assembly
(for flat type).
Refer to the instructions for disassembly of the front seat assembly
(for manual seat).
Refer to the instructions for disassembly of the fro ...