1. Check for continuity between body ground and PGM-FI main relay 1 4P connector terminals No. 1 and No. 4 individually.

Is there continuity?

YES | - | Repair short in the wire between PGM-FI main relay 1 and No. 8 FI ECU (ECM) (20 A) fuse. Also replace No. 8 FI ECU (ECM) (20 A) fuse.■
NO | - | Go to Step 27 .

1. Turn the ignition switch OFF, and wait 30 seconds.

1. Disconnect ECM connector No. 2 (58P).

1. Disconnect the fuel rail pressure control valve 2P connector.