2007 TOYOTA SIENNA Service Repair Manual

Page 2809 of 3000

TOYOTA SIENNA 2007  Service Repair Manual AC–66AIR CONDITIONING  –  AIR CONDITIONING SYSTEM (for Automatic Air Conditioning Sys-
tem)
AC
WIRING DIAGRAM
INSPECTION PROCEDURE
HINT:
• If DTC B1244 is output at the same time, troubleshoot D

Page 2810 of 3000

TOYOTA SIENNA 2007  Service Repair Manual AIR CONDITIONING  –  AIR CONDITIONING SYSTEM (for Automatic Air Conditioning Sys-
tem)AC–67
AC
B
C
A
(a) Disconnect the solar sensor connector.
(b) Measure the voltage according to the value(s) in

Page 2811 of 3000

TOYOTA SIENNA 2007  Service Repair Manual AC–68AIR 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 2812 of 3000

TOYOTA SIENNA 2007  Service Repair Manual AIR CONDITIONING  –  AIR CONDITIONING SYSTEM (for Automatic Air Conditioning Sys-
tem)AC–69
AC
(a) Disconnect the solar sensor connector.
(b) Disconnect the A/C amplifier connector.
(c) Measure th

Page 2813 of 3000

TOYOTA SIENNA 2007  Service Repair Manual AC–70AIR CONDITIONING  –  AIR CONDITIONING SYSTEM (for Automatic Air Conditioning Sys-
tem)
AC
DESCRIPTION
This sensor detects the position of the air mix control servo motor (air mix damper) and

Page 2814 of 3000

TOYOTA SIENNA 2007  Service Repair Manual AIR CONDITIONING  –  AIR CONDITIONING SYSTEM (for Automatic Air Conditioning Sys-
tem)AC–71
AC
WIRING DIAGRAM
INSPECTION PROCEDURE
(a) Connect the intelligent tester to the DLC3.
(b) Turn the igni

Page 2815 of 3000

TOYOTA SIENNA 2007  Service Repair Manual AC–72AIR CONDITIONING  –  AIR CONDITIONING SYSTEM (for Automatic Air Conditioning Sys-
tem)
AC
C
A
(a) Remove the air mix control servo motor.
(b) Disconnect the connector from the air mix control

Page 2816 of 3000

TOYOTA SIENNA 2007  Service Repair Manual AIR CONDITIONING  –  AIR CONDITIONING SYSTEM (for Automatic Air Conditioning Sys-
tem)AC–73
AC
(a) Disconnect the connector from the A/C amplifier.
(b) Measure the resistance according to the valu