Possible Cause

NOTE:  The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.

• PGM-FI main relay 1 circuit IGP line open (include fuse blown)
• PGM-FI main relay 1 circuit M RLY line open
• PGM-FI main relay 1 circuit failure
• PCM internal circuit failure