Toyota Sienna Service Manual: Vacuum switching valve

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 ...

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 t ...

Other materials:

Cursor or Map Rotates when Vehicle Stopped
INSPECTION PROCEDURE 1 CHECK CONDITION Check with the customer if the vehicle has been turned by a turntable. OK: Vehicle has not been turned by turntable. HINT: If the vehicle is turned on a turntable with the ignition switch on, the system may store the angular velocity. As a ...

Disassembly
1. REMOVE BLOWER ASSEMBLY (a) Remove the 2 screws and the blower assembly. 2. REMOVE MODE DAMPER SERVO SUB-ASSEMBLY (a) Remove the 3 screws and the mode damper servo sub-assembly. 3. REMOVE AIRMIX DAMPER SERVO SUB-ASSEMBLY (a) Remove the 3 screws and the airmix damper servo sub-as ...

Power Back Door Warning Buzzer does not Sound
DESCRIPTION The power back door system uses a warning buzzer built into the back door, which has 3 ways of sounding that are used differently according to the situations: When all the following conditions are met, the warning buzzer sounds at a cycle of 0.3 seconds: * The ignitio ...