Toyota Sienna Service Manual: Disassembly
1. REMOVE NO. 1 HEADLIGHT BULB (HALOGEN HEADLIGHT)

- Turn in the direction indicated by the arrow and
remove the No. 1 headlight bulb.
2. REMOVE DISCHARGE HEADLIGHT BULB (DISCHARGE HEADLIGHT)

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


- Release the lock of the set spring and remove the
discharge headlight bulb as shown in the illustration.
3. REMOVE NO. 2 HEADLIGHT BULB

- Turn in the direction indicated by the arrow and
remove the No. 2 headlight bulb.
4. REMOVE FRONT TURN SIGNAL LIGHT BULB

- Turn in the direction indicated by the arrow and
remove the front turn signal light bulb and front turn
signal light socket as a unit.
- Remove the front turn signal light bulb from the front
turn signal light socket.
5. REMOVE FRONT SIDE MARKER LIGHT BULB

- Turn in the direction indicated by the arrow and
remove the side marker light bulb and side marker
light socket as a unit.
- Remove the side marker light bulb from the side
marker light socket.
6. REMOVE LIGHT CONTROL ECU (DISCHARGE HEADLIGHT)

- Remove the 4 screws and headlight cover.
- Remove the headlight gasket.

- Remove the 2 screws.

- Disengage the claw.
- Disconnect the connector and remove the light
control ECU.

- Remove the headlight leveling motor assembly as
shown in the illustration.
- Remove the headlight leveling motor base packing.
1. DISCONNECT CABLE FROM NEGATIVE BATTERY
TERMINAL
2. REMOVE FRONT BUMPER ASSEMBLY
3. REMOVE HEADLIGHT ASSEMBLY
Disconnect the connectors.
Remove the bolt, 3 screws and headligh ...
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 ...
Other materials:
System description
1. GENERAL DESCRIPTION
The power seat control system is equipped with the
following function:
The front seats are equipped with electric
adjuster slide, reclining, lifter, front vertical and
lumbar support adjustment functions.
The power seat control system (w ...
Problem symptoms table
HINT:
Use the table below to help determine the cause of the
problem symptom. The potential causes of the symptoms
are listed in order of probability in the "Suspected Area"
column of the table. Check each symptom by checking the
suspected areas in the order they are listed. Re ...
Data list / active test
HINT:
By accessing the DATA LIST displayed on the intelligent
tester, you can perform such functions as reading the values
of switches and sensors without removing any parts. Reading
the DATA LIST as the first step in troubleshooting is one
method to shorten labor time.
1. DATA LIST FOR CENTER ...