PGM-FI Main Relay No. 1 (Civic)
PGM-FI main relay No. 1 is energized whenever ignition switch is in ON position to supply battery voltage to PCM, injectors and power for PGM-FI main relay No. 2. For PGM-FI main relay No. 1 location, see PGM-FI MAIN RELAY LOCATION table.