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:
Power mirror control system (w/o Memory)
PARTS LOCATION
Problem symptoms table
POWER MIRROR CONTROL SYSTEM
Symptom
Suspected area
Mirror does not operate
Outer mirror switch assembly
Outer rear view mirror assembly
Wire harness
Mirror operates abnormally
O ...
Compressor and magnetic clutch
COMPONENTS
...
Control Module Performance
DESCRIPTION
The ECM continuously monitors its main and sub CPUs. This self-check ensures
that the ECM is
functioning properly. If outputs from the CPUs are different and deviate from
the standards, the ECM will
illuminate the MIL and set a DTC immediately.
The ECM also monitors the cru ...