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:

Problem symptoms table
Before inspecting the suspected areas listed in the table below, check the fuse and relay.  Before inspecting the suspected areas listed in the table below, check the DTCs.  Methods used to verify the cause of the problem are listed in order of probability in the suspected are ...

Short in Driver Side Squib 2nd Step Circuit
DTC B1180/17 Short in Driver Side Squib 2nd Step Circuit DESCRIPTION The driver side squib 2nd step circuit consists of the center airbag sensor assembly, the spiral cable and the steering pad. The circuit instructs the SRS to deploy when deployment conditions are met. DTC B1180/17 is rec ...

Initialization
1. RESET When the back door lock is replaced: The power back door ECU cannot receive a switch signal from the lock. This may cause the power back door system to enter fail-safe mode and DTC B2215 to set, and also make the system disabled. When the lock is replaced, be sure to perform t ...