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
TERMINAL
2. REMOVE AIR FUEL RATIO SENSOR (for Bank 2
Sensor 1)
(a) Disconnect the sensor connector.
(b) Using SST, remove the sensor from the exhau ...
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:
Installation
1. INSTALL TIRE PRESSURE WARNING VALVE AND TRANSMITTER
(a) Insert the tire pressure warning valve and
transmitter into the valve installation hole. Insert it
from the inside of the rim so that the printed surface
can be seen.
NOTICE:
Check that there is no visible deformation,
damage, ...
Warning lights and
indicators
The warning lights and indicators on the instrument cluster and
center panel inform the driver of the status of the vehicle’s various
systems.
For the purpose of explanation, the following illustration displays
all warning lights and indicators illuminated.
Vehicles with monochrome displ ...
Fuel Pump Control Circuit
DESCRIPTION
The FUEL PUMP relay switches the fuel pump speed according to the engine
conditions. The fuel pump
operates when the ECM receives the starter-operating signal (STA) and
crankshaft-rotating signal (NE).
The FUEL PUMP relay is turned ON while the engine is idling or operating at l ...
