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.
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 ...
Installation
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:
Rear Air Conditioning Relay Circuit
DESCRIPTION
The RR A/C relay is switched on by signals from the A/C amplifier. It
supplies power to the rear blower
motor.
WIRING DIAGRAM
INSPECTION PROCEDURE
1 INSPECT RELAY (RR A/C)
(a) Remove the RR A/C relay from the No. 3 relay block.
(b) Measure the resistance according to t ...
Changing the engine switch positions
“LOCK”
The steering wheel is locked and
the key can be removed. (The key
can be removed only when the
shift lever is in “P”.)
“ACC”
Some electrical components such
as the audio system can be used.
“ON”
All electrical components can be
used.
“START”
...
Torque Converter Clutch Solenoid Performance
(Shift Solenoid Valve DSL)
SYSTEM DESCRIPTION
The ECM uses the signals from the throttle position sensor, air-flow meter,
turbine (input) speed sensor,
intermediate (counter) shaft speed sensor and crankshaft position sensor to
monitor the engagement
condition of the lock-up clutch.
Then the ECM compares the eng ...
