Toyota HIACE 2006 Owner's Manual page 145

The vehicle identification number (VIN) is
also on the manufacturer's label.
To check the manufacturer's label, open
the engine access hole cover. (For de-
tailed information, see "Engine access
hole cover" on page 26 in Section 1-2.)
136
-Engine number
q20027
Gasoline engine
q20028
Diesel engine
The engine number is stamped on the
engine block as shown.