DLC Circuit Troubleshooting
  1. Check for continuity between fuel pump 4P connector terminal No. 2 and body ground.
Is there continuity?
YES -
Repair short in the wire between the fuel pump and PGM-FI main relay 2 (FUEL PUMP). Also replace the No. 9 FUEL PUMP (20 A) fuse.■
NO -
Go to Step 57 .
  1. Test PGM-FI main relay 2 (FUEL PUMP).
Is the relay OK?
YES -
Check the fuel pump, and replace it if necessary. Also replace the No. 9 FUEL PUMP (20 A) fuse.■
NO -
Replace PGM-FI main relay 2 (FUEL PUMP). Also replace the No. 9 FUEL PUMP (20 A) fuse.■
  1. Jump the SCS line with the HDS.
  1. Disconnect ECM/PCM connectors A (49P) and C (49P).
  1. Turn the ignition switch to ON (II).