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:

Sensor signal check by test mode (signal check) (when using intelligent tester)
(a) When having replaced the skid control ECU and/or yaw rate and deceleration sensor, perform zero point calibration of the yaw rate and deceleration sensor. HINT: If the ignition switch is turned from the ON position to the ACC or off during test mode (signal check), DTCs of the signal ...

Removal
1. REMOVE OUTSIDE MOULDING Put protective tape around the outside moulding. Using a heat light, heat the moulding between 40 to 60 C (104 to 140 F). NOTICE: Do not heat the moulding excessively. Tie both piano wire ends to a wooden block or a similar object. Cut off the tape by ...

Diagnosis system
1. CHECK DLC3  The ECU uses the ISO 15765-4 for communication protocol. The terminal arrangement of the DLC3 complies with SAE J1962 and matches the ISO 15765-4 format. NOTICE: *: Before measuring the resistance, leave the vehicle as is for at least 1 minute and do not opera ...