Toyota Sienna Service Manual: On-vehicle inspection
1. INSPECT BRAKE BOOSTER
(a) Air tightness check.
(1) Start the engine and stop it after 1 or 2 minutes.
Depress the brake pedal several times slowly.
HINT: If the pedal goes down farthest at the 1st time, and gradually rises at the 2nd or 3rd time, the booster is airtight.
(2) Depress the brake pedal while the engine is running, and stop the engine with the pedal depressed.
HINT: If there is no change in the pedal reserve distance after holding the pedal for 30 seconds, the booster is airtight.
(b) Operating check.
(1) Depress the brake pedal several times with the ignition switch OFF and check that there is no change in the pedal reserve distance.
(2) Depress the brake pedal and start the engine.
HINT: If the pedal goes down slightly, the operation is normal.
Brake booster
COMPONENTS
...
Removal
NOTICE:
Do not adjust the brake booster push rod.
Do not change the combination of the diameter
converting unit and brake.
1. REMOVE FRONT WHEEL
2. DRAIN BRAKE FLUID
NOTICE:
Wash the bra ...
Other materials:
Solar Sensor Circuit (Driver Side)
DESCRIPTION
The solar sensor, which is installed on the upper side of the instrument
panel, detects sunlight and
controls the air conditioning in AUTO mode. The output voltage from the solar
sensor varies according to
the amount of sunlight. When the sunlight increases, the output voltage ...
Installation
1. INSTALL HEATED OXYGEN SENSOR (for Bank 2
Sensor 2) (See page EC-39)
2. INSTALL FRONT EXHAUST PIPE ASSEMBLY
(a) Install a new gasket to the front exhaust pipe
assembly.
(b) Install the front exhaust pipe assembly with the 2
nuts.
Torque: 62 N*m (632 kgf*cm, 46 ft.*lbf)
3. V
V(A) ins ...
Diagnosis system
1. CHECK DLC3
The ECU uses ISO 15765-4 for communication.
The terminal arrangement of the DLC3 complies
with SAE J1962 and meets the ISO 15765-4 format.
NOTICE:
*: Before measuring the resistance, leave the
vehicle as is for at least 1 minute and do not
operate the igniti ...
