Accord L4-2.4L (2005)
57. Remove PGM-FI main relay 1 (FI MAIN) (A).
58. Turn the ignition switch ON (II).
59. Measure voltage between PGM-FI main relay 1 4P connector terminal No.2 and body ground.
Is there battery voltage?
YES - Go to step 60.
NO - Repair open in the wire between the No.8 FI ECU (ECM/PCM) (15 A) fuse and PGM-FI main relay 1 (FI MAIN).
60. Turn the ignition switch OFF.
61. Check for continuity between PGM-FI main relay 1 (FI MAIN) 4P connector terminal No.1 and ECM/PCM connector terminals A2 and A3
individually.
Is there continuity?
YES - Replace PGM-FI main relay 1 (FI MAIN).
NO - Repair open in the wire between PGM-FI main relay 1 (FI MAIN) and the ECM/PCM (A2, A3).