Toyota Sienna Service Manual: Inspection
1. V
(a) Inspect VSV operation.
(1) Using an ohmmeter, measure the resistance according to the value(s) in the table below.V
Standard resistance
If the result is not as specified, replace the vsv.
(B) inspect the vsv for ground.
(1) Using an ohmmeter, measure the resistance according to the value(s) in the table below.
Standard resistance
If the result is not as specified, replace the vsv.
(2) Inspect vsv operation.
- Check that air flows from port E to the filter.
- Apply battery voltage across the terminals.
- Check that air flows from port E to port F.
If operation is not as specified, replace the VSV.
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. ...
Installation
1. Install vacuum switching valve assembly
(a) Install the vacuum switching valve with the screw.
(b) Install the 2 vacuum hoses and vacuum switching
valve connector. ...
Other materials:
Window defogger switch
INSPECTION
1. INSPECT WINDOW DEFOGGER SWITCH
Check the defogger switch illuminates.
Standard
If the result is not as specified, replace the switch
assembly or bulb.
Check the defogger timer.
Connect the positive (+) lead from the battery
to terminal 2 and ...
Air outlet control servo motor (for rear air conditioning system)
ON-VEHICLE INSPECTION
1. INSPECT REAR AIR OUTLET CONTROL SERVO
MOTOR
(a) Inspect servo motor operation.
(1) Connect the positive (+) lead from the battery
to terminal 4 and negative (-) lead to terminal 5,
then check that the arm turns to "FOOT" side
smoothly.
(2) Connect t ...
TC and CG Terminal Circuit
DESCRIPTION
Connecting terminals TC and CG of the DLC3 causes the system to enter the
self-diagnostic mode. If a
malfunction is present, DTCs will be output.
HINT:
When a particular warning light remains blinking, a ground short in the wiring
of terminal TC of the DLC3
or an internal ground ...