1. Check for continuity between PGM-FI main relay 1 (FI MAIN) 4P connector terminal No. 4 and ECM/PCM connector terminal E7.

Is there continuity?

YES | - | Test PGM-FI main relay 1 (FI MAIN). If the relay is OK, update the ECM/PCM if it does not have the latest software, or substitute a known-good ECM/PCM, then recheck. If the symptom/indication goes away with a known-good ECM/PCM, replace the original ECM / PCM .■
NO | - | Repair open in the wire between PGM-FI main relay 1 (FI MAIN) and the ECM/PCM (E7).■

1. Reconnect ECM/PCM connector E (31P).

1. Turn the ignition switch ON (II).