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:

Removal
HINT:  Use the same procedures for the RH side and LH side.  The procedures listed below are for the LH side. 1. PRECAUTION CAUTION: Be sure to read "PRECAUTION" thoroughly before servicing. 2. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL CAUTION: Wait for 90 se ...

Reassembly
1. INSTALL REAR DRIVE SHAFT OUTBOARD JOINT BOOT HINT: Before install the boot, wrap the spline of the outboard joint shaft with vinyl tape to prevent the boot from bearing damaged. (a) Install new outboard joint boot, 2 outboard joint boot clamps, 2 inboard joint boot clamps and inboard j ...

Fail-safe chart
1. FAIL-SAFE FUNCTION When communication fails in any of the main wires (communication lines) due to a short circuit or other causes, the fail-safe function, which is specified for each system, operates to prevent the system from malfunctioning. The table below shows the effects on eac ...