2007 TOYOTA SIENNA Service Repair Manual

Page 2865 of 3000

TOYOTA SIENNA 2007  Service Repair Manual AC–122AIR CONDITIONING  –  AIR CONDITIONING SYSTEM (for Automatic Air Conditioning Sys-
tem)
AC
(a) Remove the rear air outlet control servo motor.
(b) Disconnect the connector from the rear air o

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TOYOTA SIENNA 2007  Service Repair Manual AIR CONDITIONING  –  AIR CONDITIONING SYSTEM (for Automatic Air Conditioning Sys-
tem)AC–123
AC
(b) Measure the resistance according to the value(s) in the 
table below.
Standard resistance
NG
OK

Page 2867 of 3000

TOYOTA SIENNA 2007  Service Repair Manual AC–124AIR CONDITIONING  –  AIR CONDITIONING SYSTEM (for Automatic Air Conditioning Sys-
tem)
AC
DESCRIPTION
In this circuit, the compressor receives a refrigerant compression demand signal from th

Page 2868 of 3000

TOYOTA SIENNA 2007  Service Repair Manual AIR CONDITIONING  –  AIR CONDITIONING SYSTEM (for Automatic Air Conditioning Sys-
tem)AC–125
AC
INSPECTION PROCEDURE
(a) Disconnect the A/C compressor connector.
(b) Measure the resistance accordi

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TOYOTA SIENNA 2007  Service Repair Manual AC–126AIR CONDITIONING  –  AIR CONDITIONING SYSTEM (for Automatic Air Conditioning Sys-
tem)
AC
(a) Disconnect the A/C compressor connector.
(b) Disconnect the A/C amplifier connector.
(c) Measure

Page 2870 of 3000

TOYOTA SIENNA 2007  Service Repair Manual AIR CONDITIONING  –  AIR CONDITIONING SYSTEM (for Automatic Air Conditioning Sys-
tem)AC–127
AC
DESCRIPTION
INSPECTION PROCEDURE
(a) Refer to the CAN communication system (See page CA-
7).
(b) If

Page 2871 of 3000

TOYOTA SIENNA 2007  Service Repair Manual AC–128AIR CONDITIONING  –  AIR CONDITIONING SYSTEM (for Automatic Air Conditioning Sys-
tem)
AC
DESCRIPTION
The blower motor is operated by signals from the A/C amplifier. Blower motor speed signa

Page 2872 of 3000

TOYOTA SIENNA 2007  Service Repair Manual AIR CONDITIONING  –  AIR CONDITIONING SYSTEM (for Automatic Air Conditioning Sys-
tem)AC–129
AC
WIRING DIAGRAM
INSPECTION PROCEDURE
(a) Connect the intelligent tester to the DLC3.
(b) Turn the ign