2007 TOYOTA SIENNA Service Repair Manual

Page 2857 of 3000

TOYOTA SIENNA 2007  Service Repair Manual AC–114AIR CONDITIONING  –  AIR CONDITIONING SYSTEM (for Automatic Air Conditioning Sys-
tem)
AC
DESCRIPTION
The rear air mix control servo motor (water valve servo motor) is controlled by the A/C

Page 2858 of 3000

TOYOTA SIENNA 2007  Service Repair Manual AIR CONDITIONING  –  AIR CONDITIONING SYSTEM (for Automatic Air Conditioning Sys-
tem)AC–115
AC
(c) Select the items in the DATA LIST, and read the display 
on the intelligent tester.
DATA LIST /

Page 2859 of 3000

TOYOTA SIENNA 2007  Service Repair Manual AC–116AIR CONDITIONING  –  AIR CONDITIONING SYSTEM (for Automatic Air Conditioning Sys-
tem)
AC
A
(a) Enter the actuator check mode (See page AC-15).
(b) Press the DEF switch and change to the ste

Page 2860 of 3000

TOYOTA SIENNA 2007  Service Repair Manual AIR CONDITIONING  –  AIR CONDITIONING SYSTEM (for Automatic Air Conditioning Sys-
tem)AC–117
AC
(a) Remove the rear air mix control servo motor (water valve 
servo motor).
(b) Disconnect the conne

Page 2861 of 3000

TOYOTA SIENNA 2007  Service Repair Manual AC–118AIR CONDITIONING  –  AIR CONDITIONING SYSTEM (for Automatic Air Conditioning Sys-
tem)
AC
(b) Measure the resistance according to the value(s) in the 
table below.
Standard resistance
NG
OK

Page 2862 of 3000

TOYOTA SIENNA 2007  Service Repair Manual AIR CONDITIONING  –  AIR CONDITIONING SYSTEM (for Automatic Air Conditioning Sys-
tem)AC–119
AC
DESCRIPTION
This circuit turns the servo motor and changes each damper position by receiving the sig

Page 2863 of 3000

TOYOTA SIENNA 2007  Service Repair Manual AC–120AIR CONDITIONING  –  AIR CONDITIONING SYSTEM (for Automatic Air Conditioning Sys-
tem)
AC
(c) Select the items below in the DATA LIST, and read the 
display on the intelligent tester.
DATA L

Page 2864 of 3000

TOYOTA SIENNA 2007  Service Repair Manual AIR CONDITIONING  –  AIR CONDITIONING SYSTEM (for Automatic Air Conditioning Sys-
tem)AC–121
AC
(a) Warm up the engine.
(b) Enter the actuator check mode (See page AC-15).
(c) Press the DEF switch