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:
Inspection
1. INSPECT HEATED OXYGEN SENSOR (for Bank 1
Sensor 2)
(a) Measure the resistance of the sensor.
Standard resistance
If the resistance is not as specified, replace the
sensor.
2. INSPECT HEATED OXYGEN SENSOR (for Bank 2
Sensor 2)
(a) Measure the resistance of the sensor.
Standard r ...
Disassembly
1. REMOVE REAR DOOR WINDOW FRAME MOULDING
REAR LH (See page ET-31)
2. REMOVE REAR DOOR WINDOW FRAME MOULDING
SUB-ASSEMBLY LH (See page ET-32)
3. REMOVE SLIDE DOOR WINDOW GARNISH LH
Fully open the slide door window.
Remove the glass run.
Using a screwdriver, disengage the clip and rem ...
Disassembly
1. REMOVE OIL PUMP RELIEF VALVE
(A) using a 27 mm socket wrench, remove the relief
valve plug.
(B) remove the valve spring and oil pump relief valve.
2. REMOVE OIL PUMP COVER
(a) Remove the 8 bolts, oil pump cover and oil pump
rotor set. ...