30400-ZW2-F03 Ign Cont Module - Overview. The 30400-ZW2-F03 Ign Cont Module is an essential component of Honda marine engine systems. This ignition control module manages and regulates the ignition timing and spark generation, playing a critical role in ensuring the marine engine operates smoothly and reliably. Designed specifically for Honda outboard engines, the module fits precisely with factory specifications, providing seamless integration with existing engine components to maintain optimal