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:

Disassembly
1. REMOVE OIL PUMP RELIEF VALVE (A) using a 27 mm socket wrench, remove the relief valve plug. (B) remove the valve spring and oil pump relief valve. 2. REMOVE OIL PUMP COVER (a) Remove the 8 bolts, oil pump cover and oil pump rotor set. ...

Disassembly
1. Remove park/neutral position switch assembly (A) remove the nut, washer and control shaft lever. (B) using a screwdriver, unstake the nut stopper, and remove the lock nut and nut stopper. (c) Remove the 2 bolts and pull out the park/neutral position switch. 2. REMOVE BREATHER PLUG H ...

Cranking Holding Function Circuit
DESCRIPTION The system detects the ignition switch's starting signal (STSW) and then supplies current to the starter until the ECM judges that the engine has started successfully. The purpose is to reduce the holding time of the ignition key. WIRING DIAGRAM Refer to DTC P0617. INSPECTI ...