Toyota Sienna Service Manual: Removal
1. REMOVE INSTRUMENT PANEL SUB-ASSEMBLY WITH PASSENGER AIRBAG ASSEMBLY
HINT: Refer to the instructions for removal of the instrument panel sub-assembly w/ passenger airbag assembly (See page IP-5).
2. REMOVE HEATER TO FOOT DUCT NO.1
(a) Remove the clip and the heater to foot duct No. 1.
3. REMOVE STEREO COMPONENT AMPLIFIER ASSEMBLY (w/ Stereo Compartment Amplifier) (See page AV-173)
4. REMOVE ECM (See page ES-498)
5. REMOVE BLOWER ASSEMBLY
(a) Release the 2 clamps, the 2 nuts and the wire harness.
(b) Remove the bolt, the 2 screws and the nut.
(c) Remove the blower assembly.
Blower unit
COMPONENTS
...
Disassembly
1. REMOVE AIR REFINER ELEMENT
(a) Release the 2 claw fittings and remove the air filter
sub-assembly.
(b) Remove the air refiner element from the air filter
cover plate.
2. REMOVE COOLING ...
Other materials:
Inspection
1. INSPECT RUNOUT OF DIFFERENTIAL RING GEAR
(a) Using a dial gauge , check the runout of the ring
gear.
Maximum runout:
0.07 mm (0.0028 in.)
If the runout is greater than the maximum, replace
the ring gear with a new one.
2. INSPECT DIFFERENTIAL RING GEAR BACKLASH
(a) Using a dial gauge, ...
Battery
Check the battery as follows:
Battery exterior
Make sure that the battery terminals are not corroded and that
there are no loose connections, cracks, or loose clamps.
Terminals
Hold-down clamp
Before recharging
When recharging, the battery produces hydrogen gas which is flammable an ...
Speed Signal Circuit
DESCRIPTION
The clearance warning ECU receives the vehicle speed signal from the
combination meter.
HINT:
A voltage of 12 V or 5 V is output from each ECU and then input to
the combination meter. The signal
is changed to a pulse signal at the transistor in the combination meter.
...