Home Tips & Tricks 1999 Honda Accord DX Fuel Supply System PGM-FI MAIN RELAY CIRCUIT TROUBLESHOOTING

1999 Honda Accord DX Fuel Supply System PGM-FI MAIN RELAY CIRCUIT TROUBLESHOOTING

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Download 1. Turn the ignition switch OFF, then disconnect the PGM-FI main relay 7P connector. 2. Check for continuity between body ground and PGM-FI main relay 7P connector terminal No. 3. YES – Go to step 3. NO – Repair open in the wire between the PGM-FI main relay and G101. 3. Measure voltage between body ground and PGM-FI main relay 7P connector terminal No. 7. Is there battery voltage? YES – Go to step 5 . NO – Go to step 4. 4. Check for a blown ACG S (15A) fuse in the underhood fuse/relay box. Is the fuse blown? YES – Repair the short in the wire between the PGM-FI main relay and the ACG S (15A) fuse. NO – Repair the open in the wire between the PGM-FI main relay and the ACG S (15A) fuse. 5. Turn the ignition switch ON (II), and measure voltage between body ground and PGM-FI main relay 7P connector terminal No. 5.