Toyota Sienna Service Manual: Inspection
1. INSPECT VENTILATION VALVE
(a) Install a clean hose to the ventilation valve.
(b) Check the ventilation valve operation.
(1) Blow air into the cylinder head side, and check that air passes through easily.
| NOTICE:
Do not suck air through the valve.
Petroleum substances inside the valve are hazardous to your health. |
(2) Blow air into the intake manifold side, and check that air passes through with difficulty.
If the result is not as specified, replace the ventilation valve.
(c) Remove the clean hose from the ventilation valve.
Removal
1. REMOVE V-BANK COVER SUB-ASSEMBLY (See
page EM-28)
2. DISCONNECT VENTILATION HOSE
(a) Disconnect the ventilation hose from the ventilation
valve.
3. REMOVE VENTILATION VALVE
(a) Remove ...
Installation
1. INSTALL VENTILATION VALVE
(a) Install the ventilation valve.
(1) Apply adhesive to 2 or 3 threads.
Adhesive:
Part No. 08833-00070, Three Bond 1324 or
equivalent
(2) Install the vent ...
Other materials:
ECM
COMPONENTS
REMOVAL
1. REMOVE GLOVE COMPARTMENT DOOR ASSEMBLY
(a) Push the right side wall and then push the left wall
to release the stoppers.
(b) Pull the glove compartment door sub-assembly
rearward to remove it.
2. REMOVE NO. 2 INSTRUMENT PANEL BOX
(a) Disengage the 2 claws ...
No. 2 Ultrasonic sensor
COMPONENTS
REMOVAL
1. REMOVE REAR BUMPER COVER (2)
2. REMOVE NO. 1 ULTRASONIC SENSOR RETAINER
Remove the No. 1 ultrasonic sensor retainer as
shown in the illustration
3. REMOVE NO. 2 ULTRASONIC SENSOR
Disconnect the connector and remove the No. 2
ultrasonic ...
Rear Occupant Classification Sensor RH Circuit
Malfunction
DTC B1783 Rear Occupant Classification Sensor RH Circuit
Malfunction
DESCRIPTION
The rear occupant classification sensor RH circuit consists of the occupant
classification ECU and the
rear occupant classification sensor RH.
DTC B1783 is recorded when a malfunction is detected in the rear oc ...
