2007 TOYOTA SIENNA Service Repair Manual

Page 2937 of 3000

TOYOTA SIENNA 2007  Service Repair Manual AIR CONDITIONING  –  AIR CONDITIONING SYSTEM (for Automatic Air Conditioning Sys-
tem)AC–29
AC
DESCRIPTION
The ambient temperature sensor is installed in front of the condenser to detect the ambie

Page 2938 of 3000

TOYOTA SIENNA 2007  Service Repair Manual AC–30AIR CONDITIONING  –  AIR CONDITIONING SYSTEM (for Automatic Air Conditioning Sys-
tem)
AC
(b) Turn the ignition switch to the ON position and turn the 
intelligent tester main switch on.
(c)

Page 2939 of 3000

TOYOTA SIENNA 2007  Service Repair Manual AIR CONDITIONING  –  AIR CONDITIONING SYSTEM (for Automatic Air Conditioning Sys-
tem)AC–31
AC
(a) Remove the ambient temperature sensor.
(b) Measure the resistance according to the value(s) in th

Page 2940 of 3000

TOYOTA SIENNA 2007  Service Repair Manual AC–32AIR CONDITIONING  –  AIR CONDITIONING SYSTEM (for Automatic Air Conditioning Sys-
tem)
AC
(a) Disconnect the ambient temperature sensor connector.
(b) Disconnect the A/C amplifier connector.

Page 2941 of 3000

TOYOTA SIENNA 2007  Service Repair Manual AIR CONDITIONING  –  BLOWER UNIT (for Rear Air Conditioning System)AC–203
AC
HEATER & AIR CONDITIONING SYSTEM
AIR CONDITIONING
BLOWER UNIT (for Rear Air Conditioning System)
COMPONENTS
C119346E01

Page 2942 of 3000

TOYOTA SIENNA 2007  Service Repair Manual AC–204AIR CONDITIONING  –  BLOWER UNIT (for Rear Air Conditioning System)
AC
REMOVAL
1. DISCHARGE REFRIGERANT FROM 
REFRIGERATION SYSTEM
SST 07110-58060 (07117-58080, 07117-58090, 
07117-78050, 07

Page 2943 of 3000

TOYOTA SIENNA 2007  Service Repair Manual AIR CONDITIONING  –  BLOWER UNIT (for Rear Air Conditioning System)AC–205
AC
10. DISCONNECT HEATER HOSE
(a) Release the claw fittings and release the heater 
hose clamp.
(b) Using pliers, grip the

Page 2944 of 3000

TOYOTA SIENNA 2007  Service Repair Manual AC–206AIR CONDITIONING  –  BLOWER UNIT (for Rear Air Conditioning System)
AC
DISASSEMBLY
1. REMOVE COOLER THERMISTOR NO.1 (for 
Automatic Air Conditioning System)
(a) Disengage the 2 claw fittings