Toyota Sienna Service Manual: Vacuum tank
On-vehicle inspection
1. Inspect air cleaner cap sub-assembly
(A) check that air flows from port b to port a.
(B) apply 60 kpa (450 mm hg, 18 in. Hg) of vacuum to port b. Check that there is no change of vacuum after one minute.
Inspection
1. Inspect no. 3 Intake air control valve
assembly
(A) inspect actuator operation.
(1) With 26.7 Kpa (200 mm hg, 7.9 In. Hg) of
vacuum applied to the actuator, check that the
actuator rod m ...
Vacuum switching valve
Components
REMOVAL
1. REMOVE VACUUM SWITCHING VALVE ASSEMBLY
(a) Remove the 2 vacuum hoses and vacuum switching
valve connector.
(b) Remove the screw and vacuum switching valve. ...
Other materials:
Short in Front Passenger Side Squib 2nd Step
Circuit
DTC B1185/57 Short in Front Passenger Side Squib 2nd Step
Circuit
DESCRIPTION
The front passenger side squib 2nd step circuit consists of the center airbag
sensor assembly and the
front passenger airbag assembly.
The circuit instructs the SRS to deploy when deployment conditions are met.
...
Passenger Side Buckle Switch Circuit Malfunction
DTC B1771 Passenger Side Buckle Switch Circuit Malfunction
DESCRIPTION
The passenger side buckle switch circuit consists of the occupant
classification ECU and the front seat
inner belt assembly RH.
DTC B1771 is recorded when a malfunction is detected in the passenger side
buckle switch ci ...
Rear Air Outlet Damper Position Sensor Circuit
DESCRIPTION
This sensor detects the position of the rear air outlet control servo motor
and sends the appropriate
signals to the A/C amplifier. The position sensor is built in the rear air
outlet control servo motor.
The position sensor's resistance changes as the rear air outlet contro ...
