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:
Brake Warning Light does not Come ON
WIRING DIAGRAM
See page BC-52.
INSPECTION PROCEDURE
1 INSPECT BRAKE WARNING LIGHT
(a) Disconnect the skid control ECU connector.
(b) Turn the ignition switch to the on position.
(c) Check that the BRAKE warning light comes on.
OK:
BRAKE warning light comes on.
HINT:
If troubleshooting ...
Inspection
1. INSPECT VANE PUMP SHAFT AND BUSHING IN VANE PUMP FRONT HOUSING
(a) Using a micrometer, measure the outer diameter [a]
of the vane pump shaft with pulley.
(b) Using vernier calipers, measure the inner diameter
[b] of the vane pump front housing bushing.
(c) Calculate the oil clearance ...
Communication Error from VSC to ECM
DTC P1630 Communication Error from VSC to ECM
DTC U0122 Lost Communication with Vehicle Dynamics
Control Module
DESCRIPTION
The skid control ECU sends signals such as cruise control cancel demand
signals and brake operation
demand (from ECM) response signals to the ECM when the dynamic laser ...
