Toyota Sienna Service Manual: 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 assembly.
2. REMOVE KEY CYLINDER LIGHT ASSEMBLY (w/o Engine Immobiliser System)
3. REMOVE TRANSPONDER KEY AMPLIFIER (w/ Engine Immobiliser System)
(a) Widen the claw hanging onto the upper bracket by approx. 1.0 mm (0.039 in.) using a screwdriver.
(b) Pull the transponder key amplifier toward the rear of the vehicle with the claw open.
NOTICE: Take care not to use excessive force to prevent the case from being damaged.
4. REMOVE STEERING COLUMN BRACKET ASSEMBLY UPPER
(a) Using a centering punch, mark the center of the 2 tapered-head bolts.
(b) Using a 3 to 4 mm (0.12 to 0.16 in.) drill, drill a hole into the heads of the 2 bolts.
(c) Using a screw extractor, remove the 2 bolts and steering column upper w/ switch bracket assembly.
5. REMOVE IGNITION SWITCH LOCK CYLINDER ASSEMBLY
(a) Place the ignition switch lock cylinder assembly in the ACC position.
(b) Push down the stop pin with a screwdriver, and pull out the cylinder assembly.
6. REMOVE UN-LOCK WARNING SWITCH ASSEMBLY
(a) Disconnect the un-lock warning switch assembly connector from the ignition or starter switch assembly.
(b) Remove the un-lock warning switch assembly by pushing up the center part and releasing the 2 claws.
(c) Disengage the secondary locking device.
(d) Using a screwdriver, disengage the locking lug of terminals 1 and 2, and pull the terminals out from the rear side of the un-lock warning switch assembly.
7. REMOVE KEY INTER LOCK SOLENOID
(a) Remove the 2 screws and solenoid from the steering column bracket assembly.
8. REMOVE IGNITION OR STARTER SWITCH ASSEMBLY
(a) Remove the 2 screws and ignition or starter switch assembly from the steering column bracket assembly UPR.
Removal
1. PRECAUTION
HINT:
See page RS-1
2. DISCONNECT BATTERY NEGATIVE TERMINAL
Wait for 90 seconds after disconnecting the battery
terminal to prevent the airbag working.
3. PLACE FRONT WHEELS FACING ...
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 SOLENOI ...
Other materials:
Terminals of ecu
Check tire pressure warning ecu
HINT:
Inspect the connectors from the back side while the
connectors are connected.
(a) Disconnect the tire pressure warning antenna and
receiver connector.
(b) Measure the voltage according to the value(s) in the
table below.
(c) Connect the tire pr ...
Adjustment
HINT:
On the RH side, use the same procedures as on the LH
side.
Since a centering bolt is used as a door hinge mounting
bolt on the body side and the door side, the door can not
be adjusted with it on. Substitute a bolt with a washer for
the centering bolt.
1. INSPECT FRONT DOOR PA ...
Inspection
1. Inspect starter assembly
NOTICE:
These tests must be performed within 3 to 5 seconds
to avoid burning out the coil.
(a) Perform the pull-in test.
(1) Disconnect the lead wire from terminal C.
(2) Connect the battery to the magnetic switch as
shown in the illustratio ...
