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:
Diagnostic trouble code chart
If a malfunction code is displayed during the DTC check,
check the circuit listed for that code in the chart below
(Proceed to the page given for that circuit).
MULTIPLEX COMMUNICATION SYSTEM
DTC Code
Detection Item
Trouble Area
B1200
MPX Body ECU Stop
...
Customize parameters
HINT:
The following items can be customized.
NOTICE:
After confirming whether the items requested by the
customer are applicable or not for customization,
perform the customize operation.
Be sure to record the current settings before
customizing.
When troubleshooting, make sure that ...
Removal
1. REMOVE BATTERY
2. REMOVE AIR CLEANER ASSEMBLY
HINT:
(See page EM-26)
3. REMOVE SPEED SENSOR (NT SENSOR)
(a) Disconnect the speed sensor connector.
(b) Remove the bolt and speed sensor.
4. REMOVE SPEED SENSOR (NC SENSOR)
(a) Disconnect the speed sensor connector.
(b) Remove th ...