Toyota Sienna Service Manual: Inspection
1. INSPECT BRAKE CYLINDER AND PISTON
(a) Check the brake cylinder bore and front disc brake piston for rust or scoring.
2. INSPECT PAD LINING THICKNESS
(a) Using a ruler, measure the pad lining thickness.
Standard thickness: 12.0 mm (0.472 in.) Minimum thickness: 1.0 mm (0.039 in.)
3. INSPECT FRONT DISC BRAKE PAD SUPPORT PLATE
(a) Inspect the front disc brake pad support plate (No.
1) and front disc brake pad support plate (No. 2).
Make sure that they have sufficient rebound, no deformation, cracks or wear, and have had all rust and dirt cleaned off
4. INSPECT DISC THICKNESS
(a) Using a micrometer, measure the disc thickness.
Standard thickness: 28.0 mm (1.102 in.) Minimum thickness: 26.0 mm (1.024 in.)
Disassembly
1. REMOVE FRONT DISC BRAKE BUSH DUST BOOT
(a) Using soft jaws on the vise, hold the front disc brake
cylinder mounting LH in the vise through aluminum
plates.
(b) Using a screwdriver and ham ...
Reassembly
1. INSTALL FRONT DISC
(a) Aligning the matchmarks, install the front disc.
HINT:
Select the installation position where the disc has
the minimum runout.
2. INSPECT DISC RUNOUT
(a) Temporaril ...
Other materials:
Registration
HINT:
Register the recognition code when replacing the door
control transmitter or the door control receiver.
Add mode is used to register new recognition codes while
still retaining codes already registered. This mode is used
when a new transmitter is added. If the number of ...
A/F sensor and ho2s monitors
(a) Preconditions
The monitor will not run unless:
2 minutes or more have elapsed since the engine
was started.
The Engine Coolant Temperature (ECT) is 75°C
(167°F) or more.
Cumulative driving time at a vehicle speed of 30
mph (48 km/h) or more exceeds 6 minutes.
Air-fuel ratio fe ...
Description of initialization
(a) Perform initialization in the following cases:
Before delivery of a new vehicle.
After replacement of the tire pressure warning
ECU*.
After replacement of the tire pressure warning
valve and transmitter.
Specified tire pressure changes depending on
the size or type of the tire.
...
