Toyota Sienna Service Manual: Reassembly
1. INSTALL IGNITION OR STARTER SWITCH ASSEMBLY
(a) Install the ignition or starter switch assembly to the steering column bracket assembly UPR with the 2 screws.
2. INSTALL KEY INTER LOCK SOLENOID
(a) Install the solenoid to the steering column bracket assembly with the 2 screws.
3. INSTALL UN-LOCK WARNING SWITCH ASSEMBLY
(a) Install the un-lock warning switch assembly.
(b) Connect terminals 1 and 2 of the un-lock warning switch assembly connector.
(c) Connect the un-lock warning switch assembly connector to the ignition or starter switch assembly.
4. INSTALL IGNITION SWITCH LOCK CYLINDER ASSEMBLY
(a) Make sure that the ignition switch lock cylinder assembly is in the ACC position.
(b) Install the ignition switch lock cylinder assembly.
5. INSTALL STEERING LOCK OPERATION
(a) Check that the steering lock mechanism is activated when removing the key.
(b) Check that the steering lock mechanism is deactivated when inserting the key and turning it to the ACC position
6. INSTALL STEERING COLUMN BRACKET ASSEMBLY UPPER
(a) Temporarily install the steering column upper w/ switch bracket assembly and steering column upper clamp with 2 new tapered-head bolts.
(b) Tighten the 2 tapered-head bolts until the bolt heads break off.
7. INSTALL KEY CYLINDER LIGHT ASSEMBLY (w/o Engine Immobiliser System)
8. INSTALL TRANSPONDER KEY AMPLIFIER (w/ Engine Immobiliser System)
(a) Align the transponder key amplifier with the installation position of the upper bracket with the amplifier inclined.
(b) Push the transponder key amplifier up and connect it to the upper bracket.
NOTICE: Take care not to push the amplifier up with excessive force to prevent it from being damaged.
9. INSTALL STEERING INTERMEDIATE SHAFT ASSEMBLY
(a) Align the matchmarks on the steering intermediate shaft assembly and main shaft.
(b) Temporarily install the steering intermediate shaft assembly with the bolt.
Torque: 36 N*m (370 kgf*cm, 27 ft.*lbf)
Disassembly
1. REMOVE STEERING INTERMEDIATE SHAFT ASSEMBLY
(a) Align the matchmarks on the steering intermediate
shaft assembly and main shaft.
(b) Remove the bolt and steering intermediate shaft
assemb ...
Installation
1. INSTALL STEERING COLUMN ASSEMBLY
(a) Install the steering column assembly with the 3
bolts.
Torque: 25 N*m (255 kgf*cm, 18 ft.*lbf)
(b) Connect the connectors.
(c) Connect the wire har ...
Other materials:
Poor Sound Quality in All Modes (Low Volume)
INSPECTION PROCEDURE
1 CHECK AUDIO SETTINGS
Set "BASS", "MID" and "TREB" to the initial values and
check that sound is normal.
OK:
Malfunction disappears.
2 COMPARE WITH ANOTHER VEHICLE OF SAME MODEL
Compare with another vehicle of the same model.
...
Power Source Circuit
DESCRIPTION
Power is supplied to the fold seat control ECU through the L-RR2 SEAT and
R-RR2 SEAT fuses.
WIRING DIAGRAM
INSPECTION PROCEDURE
1 INSPECT FUSE (L-RR2 SEAT, R-RR2 SEAT)
Remove the fuses from the R/B No. 3.
Measure the resistance according to the value(s) in the
...
Pressing Power Switch does not Turn on System
INSPECTION PROCEDURE
1 CHECK CABIN
Check that conditions in the cabin are not likely to cause
condensation.
HINT:
This problem occurs when the cabin is humid and the
temperature rapidly changes. This condition may
produce condensation, resulting in a short circuit.
OK:
Condensation ...
