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:

Engine
GENERAL MAINTENANCE HINT: Inspect these items when the engine is cold. 1. INSPECT DRIVE BELT HINT: (See page EM-6) 2. REPLACE SPARK PLUGS HINT: (See page IG-8) 3. INSPECT AIR FILTER (a) Remove the air filter. (b) Visually check that the air filter is not excessively damaged or oily ...

Torque Converter Clutch Solenoid Performance (Shift Solenoid Valve DSL)
SYSTEM DESCRIPTION The ECM uses the signals from the throttle position sensor, air-flow meter, turbine (input) speed sensor, intermediate (counter) shaft speed sensor and crankshaft position sensor to monitor the engagement condition of the lock-up clutch. Then the ECM compares the eng ...

Improper Aiming of Radar Sensor Beam Axis
DTC P1572 Improper Aiming of Radar Sensor Beam Axis DESCRIPTION This DTC is output when the scanning angle of the laser sensor is incorrect. This DTC is also output when the laser sensor beam axis is determined to be in an incorrect position. DTC No. DTC Detection Condition ...