Toyota Sienna Service Manual: Removal and installation of engine intake parts
REMOVAL AND INSTALLATION OF ENGINE INTAKE PARTS
(a) If any metal particles enter inlet system parts, this may damage the engine.
(b) When removing and installing inlet system parts, cover the openings of the removed parts and engine openings. Use gummed tape or other suitable materials.
(c) When installing inlet system parts, check that no metal particles have entered the engine or the installed parts.
Removal and installation of fuel control parts
(a) PLACE FOR REMOVING AND INSTALLING FUEL
SYSTEM PARTS
(1) Work in a location with good air ventilation that
does not have welders, grinders, drills, electric
motors, stoves, or any other ignitio ...
Handling of hose clamps
HANDLING OF HOSE CLAMPS
(a) Before removing the hose, check the clamp position
so that it can be reinstalled in the same position.
(b) Replace any deformed or dented clamps with new
ones.
...
Other materials:
How to proceed with
troubleshooting
1 VEHICLE BROUGHT TO WORK SHOP
2 CUSTOMER PROBLEM ANALYSIS
3 CHECK BODY MULTIPLEX COMMUNICATION SYSTEM
Check for the DTC outputs.
4 DTC CHECK
5 DTC CHART
6 PROBLEM SYMPTOMS TABLE
7 TERMINAL OF ECU
8 CIRCUIT INSPECTION
9 IDENTIFICATION OF PROBLEM
10 REPAIR OR REPLACE
11 CONFIRMATION T ...
Headlight dimmer switch
COMPONENTS
REMOVAL
1. REMOVE STEERING COLUMN LOWER COVER
2. REMOVE STEERING COLUMN UPPER COVER
3. REMOVE HEADLIGHT DIMMER SWITCH ASSEMBLY
Disconnect the connector.
Release the claw fitting and remove the headlight
dimmer switch assembly.
INSPECTION
1. HEADLIGHT DI ...
Air Inlet Damper Control Servo Motor Circuit
DESCRIPTION
The air inlet control servo motor is controlled by the A/C amplifier and
moved to the desired position.
The air inlet control servo motor switches the air inlet mode by rotating
(normal, reverse) with electrical
power from the A/C amplifier. This controls intake air and changes ...
