2007 TOYOTA SIENNA Service Repair Manual

Page 2793 of 3000

TOYOTA SIENNA 2007  Service Repair Manual AC–50AIR CONDITIONING  –  AIR CONDITIONING SYSTEM (for Automatic Air Conditioning Sys-
tem)
AC
Standard
Result
B
C
A
(a) Disconnect the connector from the A/C compressor.
(b) Measure the resistanc

Page 2794 of 3000

TOYOTA SIENNA 2007  Service Repair Manual AIR CONDITIONING  –  AIR CONDITIONING SYSTEM (for Automatic Air Conditioning Sys-
tem)AC–51
AC
(a) Disconnect the connector from the A/C amplifier.
(b) Measure the resistance according to the valu

Page 2795 of 3000

TOYOTA SIENNA 2007  Service Repair Manual AC–52AIR CONDITIONING  –  AIR CONDITIONING SYSTEM (for Automatic Air Conditioning Sys-
tem)
AC
DESCRIPTION
This DTC is output when refrigerant pressure on the high pressure side is extremely low (

Page 2796 of 3000

TOYOTA SIENNA 2007  Service Repair Manual AIR CONDITIONING  –  AIR CONDITIONING SYSTEM (for Automatic Air Conditioning Sys-
tem)AC–53
AC
WIRING DIAGRAM
E116878E10

Page 2797 of 3000

TOYOTA SIENNA 2007  Service Repair Manual AC–54AIR CONDITIONING  –  AIR CONDITIONING SYSTEM (for Automatic Air Conditioning Sys-
tem)
AC
INSPECTION PROCEDURE
(a) Disconnect the connector from the A/C pressure sensor.
(b) Measure the volta

Page 2798 of 3000

TOYOTA SIENNA 2007  Service Repair Manual AIR CONDITIONING  –  AIR CONDITIONING SYSTEM (for Automatic Air Conditioning Sys-
tem)AC–55
AC
(b) Remove the A/C amplifier with connectors still 
connected.
(c) Measure the voltage according to t

Page 2799 of 3000

TOYOTA SIENNA 2007  Service Repair Manual AC–56AIR CONDITIONING  –  AIR CONDITIONING SYSTEM (for Automatic Air Conditioning Sys-
tem)
AC
(1) Measure the voltage according to the value(s) in the 
table below.
Standard voltage
Result
B
C
A

Page 2800 of 3000

TOYOTA SIENNA 2007  Service Repair Manual AIR CONDITIONING  –  AIR CONDITIONING SYSTEM (for Automatic Air Conditioning Sys-
tem)AC–57
AC
(b) Measure the resistance according to the value(s) in the 
table below.
Standard resistance
NG
OK
(