it is hard to decide to replace which part in GAS COOKTOPS

I have a GAS COOKTOPS from MayTag (MGC5430). Now after switch to ON,

not function, no click sound at all. I have a list of parts below, I really would
like to knwo I should replace WHICH part ?

  1. Spark Module

  2. Spark ignitor (top burner ignitor)

  3. Surface bunner spark

  4. ceramic insulator

thank you so much

really appreciate