DLC Circuit Troubleshooting
  1. Check for continuity between PGM-FI main relay 1 4P connector terminal No. 2 and body ground.
Is there continuity?
YES -
Repair short in the wire between PGM-FI main relay 1 and each part. Also replace the No. 17 FI MAIN (15 A) fuse.■
NO -
Replace PGM-FI main relay 1. Also replace the No. 17 FI MAIN (15 A) fuse.■
  1. Inspect the No. 9 FUEL PUMP (20 A) fuse in the driver's under-dash fuse/relay box.
Is the fuse OK?
YES -
Go to Step 58 .
NO -
Go to Step 47 .
  1. Remove the blown No. 9 FUEL PUMP (20 A) fuse in the driver's under-dash fuse/relay box.
  1. Jump the SCS line with the HDS.
  1. Disconnect ECM/PCM connector C (49P).