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:

Initialization
1. RESET  When the control motor and clutch is replaced: The power slide door ECU cannot receive a switch signal from the control motor and clutch. This may cause the power slide door system to enter fail-safe mode and DTC (B2224 (LH) or B2223 (RH)) to set, and also make the syste ...

Vehicle Speed Sensor Malfunction
DTC P0500 Vehicle Speed Sensor Malfunction DTC P0503 Vehicle Speed Sensor Circuit Malfunction DESCRIPTION The cruise control system uses the same vehicle speed signal that is sent to the ECM for the SFI system. If DTC P0500 is detected, perform the diagnosis using the inspection procedure ...

Engine Control System Malfunction
DTC C1201/51 Engine Control System Malfunction DESCRIPTION If trouble occurs the engine control system, the ECM transmits the abnormality to the skid control ECU. The skid control ECU set this DTC and the skid control ECU prohibits TRAC and VSC control. INSPECTION PROCEDURE 1 CHECK ENGIN ...