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:
Front Occupant Classification Sensor LH Circuit
Malfunction
DTC B1780 Front Occupant Classification Sensor LH Circuit
Malfunction
DESCRIPTION
The front occupant classification sensor LH circuit consists of the occupant
classification ECU and the
front occupant classification sensor LH.
DTC B1780 is recorded when a malfunction is detected in the fron ...
What to do if... (Troubleshooting)
If there is a problem with the hands-free system or a Bluetooth®
device, first check the table below.
When using the hands-free system with a Bluetooth® device
The hands-free system or Bluetooth® device does not
work.
The connected device may not be a compatible Bl ...
On-vehicle inspection
1. INSPECT SEAT POSITION SENSOR (VEHICLE NOT
INVOLVED IN COLLISION)
Perform a diagnostic system check.
2. INSPECT SEAT POSITION SENSOR (VEHICLE
INVOLVED IN COLLISION)
Perform a diagnostic system check.
Even if the airbag was not deployed, check if there
is any dama ...
