COMPONENTS

On-vehicle inspectionAir Intake Control Circuit
DESCRIPTION
The air cleaner is equipped with two inlets, one of which is opened or closed
by the Air Intake Control
Valve (AICV). This system reduces intake noise and increases engine power at
low-to-high engine speed
range.
When the engine is operating in the low-to-mid speed range, this ...
Ignition Coil "A" Primary
HINT:
These DTCs indicate malfunctions relating to the primary circuit.
If DTC P0351 is set, check the No. 1 ignition coil with igniter circuit.
If DTC P0352 is set, check the No. 2 ignition coil with igniter circuit.
If DTC P0353 is set, check the No. 3 ignition coil with igniter circ ...
When servicing full-time 4wd vehicles
The full-time 4WD SIENNA is equipped with the open
center differential system.
If incorrect preparations or test procedures are used, the
test will not only be unsuccessful, but may be dangerous
as well.
Therefore, before beginning any such servicing or test,
be sure to check the following ...