2007 TOYOTA SIENNA Service Repair Manual

Page 1177 of 3000

TOYOTA SIENNA 2007  Service Repair Manual 2GR-FE EMISSION CONTROL  –  AIR FUEL RATIO SENSOR (for 2WD)EC–21
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INSTALLATION
1. INSTALL AIR FUEL RATIO SENSOR (for Bank 2 
Sensor 1)
(a) Using SST, install the sensor to the exhaust 
manifold

Page 1178 of 3000

TOYOTA SIENNA 2007  Service Repair Manual EC–222GR-FE EMISSION CONTROL  –  AIR FUEL RATIO SENSOR (for 2WD)
EC
4. INSTALL FRONT EXHAUST PIPE ASSEMBLY
(a) Check compression springs.
(1) Check the compression springs using vernier 
calipers.

Page 1179 of 3000

TOYOTA SIENNA 2007  Service Repair Manual 2GR-FE EMISSION CONTROL  –  AIR FUEL RATIO SENSOR (for 2WD)EC–23
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(e) Install the center exhaust pipe assembly with the 2 
compression springs and 2 bolts.
Torque: 43 N*m (438 kgf*cm, 32 ft.*lbf

Page 1180 of 3000

TOYOTA SIENNA 2007  Service Repair Manual 2GR-FE EMISSION CONTROL  –  CANISTEREC–7
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ENGINE
2GR-FE EMISSION CONTROL
CANISTER
COMPONENTS
A162863E01

Page 1181 of 3000

TOYOTA SIENNA 2007  Service Repair Manual EC–82GR-FE EMISSION CONTROL  –  CANISTER
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REMOVAL
1. REMOVE CHARCOAL CANISTER PROTECTOR
(a) Remove the 6 bolts and charcoal canister protector.
2. REMOVE CHARCOAL CANISTER ASSEMBLY
(a) Disconnec

Page 1182 of 3000

TOYOTA SIENNA 2007  Service Repair Manual 2GR-FE EMISSION CONTROL  –  CANISTEREC–9
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(b) Check charcoal canister operation.
(1) With the purge port closed, blow 1.67 kPa (17.0 
gf/cm
2, 0.24 psi) of air into the vent port, and 
check tha

Page 1183 of 3000

TOYOTA SIENNA 2007  Service Repair Manual EC–282GR-FE EMISSION CONTROL  –  AIR FUEL RATIO SENSOR (for 4WD)
EC
5. REMOVE AIR FUEL RATIO SENSOR (for Bank 1 
Sensor 1)
(a) Using SST, remove the sensor.
SST 09224-00010
INSPECTION
1. INSPECT A

Page 1184 of 3000

TOYOTA SIENNA 2007  Service Repair Manual 2GR-FE EMISSION CONTROL  –  AIR FUEL RATIO SENSOR (for 4WD)EC–29
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HINT:
• Use a torque wrench with a fulcrum length of 30 
cm (11.81 in.).
• Make sure that SST and wrench are connected 
in a