An engine system and method for variable valve lift diagnostic techniques are provided. The coating composition includes a binder containing a polyester resin that is formed using at least one aromatic, dicarboxylic acid and at least one asymmetric diol. A novel process for preparing noble metal polyoxometalate complexes, and novel noble metal polyoxometalate complexes are also disclosed. The interconnect system also links a spare channel to a point on the IC. Furthermore, the automatic analyzer has a function of varying the integration time of photometric means and controls the integration time for each analysis item or for each analysis vessel.