2019-5-24 · NOTE: Legend Models: If code 7 or 17 is stored and the S4 light on the transaxle indicator panel is also flashing, it may be necessary to diagnose the automatic transaxle control unit. 86–90 Legend & 86–91 Integra In the event of a PGM-FI system malfunction, the engine warning lamp will light and stay lit. When this condition occurs, it will be necessary to inspect the ECU LED display.