2007 TOYOTA SIENNA Service Repair Manual

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TOYOTA SIENNA 2007  Service Repair Manual 2GR-FE EMISSION CONTROL  –  HEATED OXYGEN SENSOR (for 2WD)EC–33
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(c) Remove the 6 nuts and front exhaust pipe 
assembly.
4. REMOVE HEATED OXYGEN SENSOR (for Bank 2 
Sensor 2)
(a) Using SST, remo

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TOYOTA SIENNA 2007  Service Repair Manual EC–342GR-FE EMISSION CONTROL  –  HEATED OXYGEN SENSOR (for 2WD)
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2. INSPECT HEATED OXYGEN SENSOR (for Bank 2 
Sensor 2)
(a) Measure the resistance of the sensor.
Standard resistance
If the resis

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TOYOTA SIENNA 2007  Service Repair Manual 2GR-FE EMISSION CONTROL  –  HEATED OXYGEN SENSOR (for 2WD)EC–35
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• To ensure a proper seal, do not use the 
exhaust pipe to force the gasket on to the 
front exhaust pipe.
(c) Install 2 new ga

Page 1204 of 3000

TOYOTA SIENNA 2007  Service Repair Manual EC–362GR-FE EMISSION CONTROL  –  HEATED OXYGEN SENSOR (for 2WD)
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(g) Connect the heated oxygen sensor (for Bank 2 
sensor 2) connector.
3. INSTALL HEATED OXYGEN SENSOR (for Bank 1 
Sensor 2)
(a)

Page 1205 of 3000

TOYOTA SIENNA 2007  Service Repair Manual 2GR-FE EMISSION CONTROL  –  HEATED OXYGEN SENSOR (for 4WD)EC–37
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ENGINE
2GR-FE EMISSION CONTROL
HEATED OXYGEN SENSOR (for 4WD)
COMPONENTS
A162953E01

Page 1206 of 3000

TOYOTA SIENNA 2007  Service Repair Manual EC–382GR-FE EMISSION CONTROL  –  HEATED OXYGEN SENSOR (for 4WD)
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REMOVAL
1. DISCONNECT CABLE FROM NEGATIVE BATTERY 
TERMINAL
2. REMOVE HEATED OXYGEN SENSOR (for Bank 1 
Sensor 2)
(a) Disconnect

Page 1207 of 3000

TOYOTA SIENNA 2007  Service Repair Manual 2GR-FE EMISSION CONTROL  –  HEATED OXYGEN SENSOR (for 4WD)EC–39
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INSPECTION
1. INSPECT HEATED OXYGEN SENSOR (for Bank 1 
Sensor 2)
(a) Measure the resistance of the sensor.
Standard resistance
I

Page 1208 of 3000

TOYOTA SIENNA 2007  Service Repair Manual EC–402GR-FE EMISSION CONTROL  –  HEATED OXYGEN SENSOR (for 4WD)
EC
(b) Install the front exhaust pipe assembly with the 2 
bolts and 2 nuts.
Torque: Bolt
43 N*m (440 kgf*cm, 32 ft.*lbf)
Nut
62 N*m