Toyota Sienna Service Manual: Inspection
1. Inspect generator clutch pulley
(a) Hold the center of the pulley, and confirm that the outer ring turns counterclockwise and does not turn clockwise.
If the result is not as specified, replace the clutch pulley.
2. Remove generator drive end frame bearing
(a) Check that the bearing is not rough or worn.V
Ok: the bearing rotates smoothly.
If the bearing does not rotate smoothly, replace the bearing.
3. Inspect generator brush holder assembly
(a) Using vernier calipers, measure the length of the exposed brushes.
Standard exposed length: 9.5 to 11.5 mm (0.374 to 0.453 in.) Minimum exposed length: 4.5 mm (0.177 in.) If the exposed length is less than the minimum, replace the brush holder assembly.
4. INSPECT GENERATOR ROTOR ASSEMBLY
(a) Check that the generator rotor bearing is not rough or worn.
If necessary, replace the generator rotor assembly.
(b) Check the generator rotor for an open circuit.
(1) Using an ohmmeter, measure the resistance between the slip rings.
Standard resistance
If the result is not as specified, replace the generator rotor assembly.
(c) Check the rotor for a short to ground.
(1) Using an ohmmeter, measure the resistance between the slip ring and rotor.
Standard resistance 
If the result is not as specified, replace the generator rotor assembly.
(d) Using vernier calipers, measure the slip ring diameter.
Standard diameter: 14.2 to 14.4 mm (0.559 to 0.567 in.) Minimum diameter: 14.0 mm (0.551 in.)
If the diameter is less than the minimum, replace the generator rotor assembly.
Disassembly
1. REMOVE GENERATOR CLUTCH PULLEY
(A) using a screwdriver, remove the generator pulley
cap.
(b) Set SST (A) and (B).
SST 09820-63020
(c) Clamp SST (A) in a vise.
NOTICE:
...
Replacement
1. REPLACE GENERATOR DRIVE END FRAME BEARING
(a) Remove the 4 screws and retainer plate from the
drive end frame.
(b) Using SST and a hammer, tap out the drive end
frame bearing from the d ...
Other materials:
Auto Up Operation does not Fully Close Power Window (Jam
Protection Function is Activated)
DESCRIPTION
If AUTO UP operation does not fully close the power window, the following
conditions may be the cause.
The reset of the power window motor has not been completed,
resulting in activation of the jam
protection function.
The memory of the power window switch misse ...
Folding and extending the mirrors
Manual type
Push the mirror back in the direction
of the vehicle’s rear.
Power type
Press the switch.
Folding
Extending
...
Sliding door child-protector locks
The sliding door cannot be
opened by the inside door handle
and the second seat sliding door
switch when the lock is set.
Unlock
Lock
These locks can be set to prevent
children from opening the sliding
doors. Push down on each sliding
door switch to lock that sliding
door.
The p ...
