Hazard Warning Switch Test: Civic
Carefully pry out hazard warning switch from dash. Disconnect hazard warning switch 8-pin connector. With hazard switch in specified position, use an ohmmeter to check continuity between switch terminals. See Fig 1 . If continuity is not as specified, replace hazard warning switch.
This circuit is controlled by the integrated control unit. For more information, see INTEGRATED CONTROL UNIT -- CIVIC, CRX & CIVIC WAGON article under COMMUNICATION DEVICES.