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.
Removal
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 ...
Adjustment
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:
No. 2 Clearance Warning Buzzer Circuit
DESCRIPTION
The clearance warning ECU receives the ultrasonic sensor signal to sound the
rear warning buzzer.
WIRING DIAGRAM
INSPECTION PROCEDURE
1 CHECK HARNESS AND CONNECTOR (CLEARANCE WARNING ECU - AIR CONDITIONER
AMPLIFIER)
Disconnect the connectors from the clearance warning ...
Changing the vehicle-to-vehicle distance
Pressing the button changes the
vehicle-to-vehicle distance as follows:
Long
Medium
Short
The vehicle-to-vehicle distance is
set automatically to long mode
when the engine switch is turned to
IGNITION ON mode.
If a vehicle is running ahead of
you, the preceding vehicle mark
w ...
Freeze frame data
1. DESCRIPTION
(a) The ECM records vehicle and driving condition
information as freeze frame data the moment a DTC
is stored. When troubleshooting, freeze frame data
can be helpful in determining whether the vehicle
was running or stopped, whether the engine was
warmed up or not, whether the a ...
