Toyota Sienna Service Manual: Inspection
1. Inspect air fuel ratio sensor
(A) measure the resistance of the sensor.
Standard resistance
If the resistance is not as specified, replace the sensor.
Removal
1. DISCONNECT CABLE FROM NEGATIVE BATTERY
TERMINALV
Caution:
wait at least 90 seconds after disconnecting the
cable from the negative (-) battery terminal to
prevent airbag and seat ...
Installation
1. INSTALL AIR FUEL RATIO SENSOR (for Bank 2
Sensor 1)
(a) Using SST, install the sensor to the exhaust
manifold LH.
SST 09224-00010
Torque: 40 N*m (408 kgf*cm, 30 ft.*lbf) for use
with SST
...
Other materials:
Front passenger occupant
classification system
Your vehicle is equipped with a front passenger occupant classification
system. This system detects the conditions of the front
passenger seat and activates or deactivates the devices for the
front passenger.
SRS warning light
Seat belt reminder light
“AIR BAG OFF” indicator light ...
Removal
1. Remove rear wheel
2. Remove skid control sensor wire (for 2wd)
Hint:
(see page sp-38)
hint:
disconnect the rh side by the same procedures as the
lh side.
3. SEPARATE SPEED SENSOR REAR LH (for 4WD)
HINT:
(See page SP-38)
4. SEPARATE SPEED SENSOR REAR RH (for 4WD)
HINT:
Separate the RH ...
Mass or Volume Air Flow Circuit
DESCRIPTION
The Mass Air Flow (MAF) meter is a sensor that measures the amount of air
flowing through the throttle
valve. The ECM uses this information to determine the fuel injection time and to
provide appropriate airfuel
ratio. Inside the MAF meter, there is a heated platinum wire whic ...
