Toyota Sienna Service Manual: Reassembly
1. INSTALL LIGHT CONTROL ECU (DISCHARGE HEADLIGHT)

- Install a new headlight leveling motor base packing.
- Install the headlight leveling motor assembly as
shown in the illustration.

- Connect the connector with the claw

- Install the light control ECU with the 2 screws.
- Install a new headlight gasket.
- Install the headlight cover with the 4 screws.
2. INSTALL FRONT SIDE MARKER LIGHT BULB

- Install the side marker light bulb to the side marker
light socket
- Turn in the direction indicated by the arrow and
install the side marker light bulb and side marker
light socket as a unit.
3. INSTALL FRONT TURN SIGNAL LIGHT BULB

- Install the front turn signal light bulb to the front turn
signal light socket.

- Turn in the direction indicated by the arrow and
install the front turn signal light bulb and front turn
signal light socket as a unit.
4. INSTALL NO. 2 HEADLIGHT BULB

- Turn in the direction indicated by the arrow and
install the No.2 headlight bulb.
5. INSTALL DISCHARGE HEADLIGHT BULB (DISCHARGE HEADLIGHT)

- Install the discharge headlight bulb with the set
spring as shown in the illustration.

- Turn in the direction indicated by the arrow and
install the socket.

- Turn in the direction indicated by the arrow and
install the headlight socket cover.
6. INSTALL NO. 1 HEADLIGHT BULB (HALOGEN HEADLIGHT)

- Turn in the direction indicated by the arrow and
install the No.1 headlight bulb.
1. VEHICLE PREPARATION FOR HEADLIGHT AIMING
ADJUSTMENT
Prepare the vehicle:
Ensure there is no damage or deformation to the
body around the headlights.
Fill the fuel t ...
1. INSTALL HEADLIGHT ASSEMBLY
Connect the connectors.
Install the headlight assembly with the bolt and 3
screws.
2. INSTALL FRONT BUMPER ASSEMBLY
3. CONNECT CABLE TO NEGATI ...
Other materials:
Installation
1. INSTALL FRONT PASSENGER AIRBAG ASSEMBLY
Install the front passenger airbag assembly with the
2 screws.
2. INSTALL INSTRUMENT PANEL SUB-ASSEMBLY
3. CONNECT FRONT PASSENGER AIRBAG ASSEMBLY CONNECTOR
Connect the connector to the front passenger airbag
assembly.
...
On-vehicle inspection
1. INSPECT SEAT POSITION SENSOR (VEHICLE NOT
INVOLVED IN COLLISION)
Perform a diagnostic system check.
2. INSPECT SEAT POSITION SENSOR (VEHICLE
INVOLVED IN COLLISION)
Perform a diagnostic system check.
Even if the airbag was not deployed, check if there
is any dama ...
Engine
ON-VEHICLE INSPECTION
1. INSPECT ENGINE COOLANT
(a) Inspect the engine coolant (See page CO-1).
2. INSPECT ENGINE OIL
(a) Inspect the engine oil (See page LU-1).
3. INSPECT BATTERY
(a) Inspect the battery (See page CH-5).
4. INSPECT AIR CLEANER FILTER ELEMENT SUBASSEMBLY
(a) Remove the air c ...