2007 TOYOTA SIENNA Service Repair Manual

Page 2977 of 3000

TOYOTA SIENNA 2007  Service Repair Manual AC–250AIR CONDITIONING  –  HEATER RELAY (for Rear Air Conditioning System)
AC
HEATER RELAY (for Rear Air 
Conditioning System)
ON-VEHICLE INSPECTION
1. INSPECT REAR HEATER RELAY
(a) Remove the rea

Page 2978 of 3000

TOYOTA SIENNA 2007  Service Repair Manual AIR CONDITIONING  –  INTEGRATION CONTROL AND PANELAC–255
AC
REMOVAL
1. REMOVE INSTRUMENT CLUSTER FINISH PANEL 
CENTER NO.1 (See page IP-8)
2. REMOVE INSTRUMENT CLUSTER FINISH PANEL 
CENTER NO.2
3.

Page 2979 of 3000

TOYOTA SIENNA 2007  Service Repair Manual AC–256AIR CONDITIONING  –  INTEGRATION CONTROL AND PANEL
AC
3. REMOVE AIR CONDITIONER AMPLIFIER ASSEMBLY 
(for Manual Air Conditioning System)
(a) Remove the plate.
(b) Release the lock of the con

Page 2980 of 3000

TOYOTA SIENNA 2007  Service Repair Manual AIR CONDITIONING  –  INTEGRATION CONTROL AND PANELAC–257
AC
(b) Disconnect the 2 connectors.
(c) Remove the 5 screws and the air conditioner 
amplifier assembly.
5. REMOVE INTEGRATION CONTROL AND

Page 2981 of 3000

TOYOTA SIENNA 2007  Service Repair Manual AC–258AIR CONDITIONING  –  INTEGRATION CONTROL AND PANEL
AC
(c) Remove the screw and the heater blower switch.
7. REMOVE PRINTED WIRE INTEGRATION BOARD 
SUB-ASSEMBLY (for Automatic Air Conditionin

Page 2982 of 3000

TOYOTA SIENNA 2007  Service Repair Manual AIR CONDITIONING  –  AIR CONDITIONING CONTROL ASSEMBLYAC–251
AC
HEATER & AIR CONDITIONING SYSTEM
AIR CONDITIONING
AIR CONDITIONING CONTROL ASSEMBLY
COMPONENTS
C119364E03

Page 2983 of 3000

TOYOTA SIENNA 2007  Service Repair Manual AC–252AIR CONDITIONING  –  AIR CONDITIONING CONTROL ASSEMBLY
AC
REMOVAL
1. REMOVE AIR CONDITIONING NO.2 CONTROL 
ASSEMBLY
(a) Release the 4 claw fittings and release the air 
conditioning No. 2 co

Page 2984 of 3000

TOYOTA SIENNA 2007  Service Repair Manual AIR CONDITIONING  –  INTEGRATION CONTROL AND PANELAC–259
AC
REASSEMBLY
1. INSTALL CENTER CLUSTER MODULE KNOB NO.6 
(for Automatic Air Conditioning System)
2. INSTALL CENTER CLUSTER MODULE KNOB NO.