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:

Diagnostic trouble code chart
If a trouble code is displayed during the DTCs check (sensor check), check the circuit listed for the code in the table below (Proceed to the page given for that circuit). AIR CONDITIONING SYSTEM HINT: *1: If the cabin temperature is approximately -18.6°C (- 3.7°F) or lo ...

Short in CAN Bus Lines
DESCRIPTION The CAN bus wires are considered to be shorted when the resistance between terminals 6 (CANH) and 14 (CANL) of the DLC3 is below 54 Ω. Symptom Trouble Area Resistance between terminals 6 (CANH) and 14 (CANL) of the DLC3 is below 54 Ω. ...

Inspection
1. INSPECT UNDERDRIVE PLANETARY GEAR PRELOAD (a) Using SST, fix the underdrive planetary gear assembly. SST 09387-00050 (b) Using SST and a torque wrench, measure the turning torque of the underdrive planetary gear assembly while rotating the torque wrench at 60 rpm. SST 09387-00050 ...