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:
AVC-LAN Circuit
DESCRIPTION
Each unit of the navigation system connected to the AVC-LAN (communication
bus) transfers the signal of
each switch by communication.
When a short to +B or short to ground occurs in this AVC-LAN, the navigation
system will not function
normally as the communication is discontin ...
Intake Air Temperature Sensor Gradient Too High
DESCRIPTION
The Intake Air Temperature (IAT) sensor, mounted on the Mass Air Flow (MAF)
meter, monitors the IAT.
The IAT sensor has a built-in thermistor with a resistance that varies according
to the temperature of the
intake air. When the IAT becomes low, the resistance of the the ...
Inspection
1. Inspect no. 3 Intake air control valve
assembly
(A) inspect actuator operation.
(1) With 26.7 Kpa (200 mm hg, 7.9 In. Hg) of
vacuum applied to the actuator, check that the
actuator rod moves.
(2) One minute after applying the vacuum, check
that the actuator rod does not return.
...
