2007 TOYOTA SIENNA Service Repair Manual

Page 2929 of 3000

TOYOTA SIENNA 2007  Service Repair Manual AIR CONDITIONING  –  AIR CONDITIONING UNITAC–185
AC
25. REMOVE ECM (See page ES-498)
26. REMOVE FRONT FENDER GARNISH RH
HINT:
See page ET-35.
27. REMOVE INSTRUMENT PANEL REINFORCEMENT
(a) Remove t

Page 2930 of 3000

TOYOTA SIENNA 2007  Service Repair Manual AC–186AIR CONDITIONING  –  AIR CONDITIONING UNIT
AC
28. REMOVE LOWER DEFROSTER NOZZLE ASSEMBLY
(a) Release the 4 claw fittings and remove the lower 
defroster nozzle assembly.
29. REMOVE AIR CONDI

Page 2931 of 3000

TOYOTA SIENNA 2007  Service Repair Manual AIR CONDITIONING  –  AIR CONDITIONING UNITAC–187
AC
4. REMOVE NO. 2 AIRMIX DAMPER SERVO SUB-
ASSEMBLY (for Automatic Air Conditioning System)
(a) Remove the 3 screws and the No. 2 airmix damper 
s

Page 2932 of 3000

TOYOTA SIENNA 2007  Service Repair Manual AC–188AIR CONDITIONING  –  AIR CONDITIONING UNIT
AC
9. REMOVE COOLER EXPANSION VALVE
(a) Remove the cooler expansion valve from the No. 1 
cooler evaporator sub-assembly.
(b) Remove the 2 O-rings

Page 2933 of 3000

TOYOTA SIENNA 2007  Service Repair Manual AIR CONDITIONING  –  AIR CONDITIONING UNITAC–189
AC
13. REMOVE NO. 1 AIR DUCT
(a) Release the 4 claw fittings and remove the No. 1 air 
duct.
14. REMOVE NO. 1 COOLER THERMISTOR
(a) Disengage the c

Page 2934 of 3000

TOYOTA SIENNA 2007  Service Repair Manual AC–26AIR CONDITIONING  –  AIR CONDITIONING SYSTEM (for Automatic Air Conditioning Sys-
tem)
AC
DESCRIPTION
This sensor detects the cabin temperature that is used as the basis for temperature contr

Page 2935 of 3000

TOYOTA SIENNA 2007  Service Repair Manual AIR CONDITIONING  –  AIR CONDITIONING SYSTEM (for Automatic Air Conditioning Sys-
tem)AC–27
AC
(c) Select the item below in the DATA LIST, and read the 
display on the intelligent tester.
DATA LIS

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TOYOTA SIENNA 2007  Service Repair Manual AC–28AIR CONDITIONING  –  AIR CONDITIONING SYSTEM (for Automatic Air Conditioning Sys-
tem)
AC
NG
OK
(a) Disconnect the connector from the A/C amplifier.
(b) Disconnect the connector from the A/C