DLC Circuit Troubleshooting
  1. Check for continuity between PGM-FI main relay 1 4P connector terminal No. 2 and ECM/PCM connector terminal A9.
Is there continuity?
YES -
Go to Step 71 .
NO -
Repair open in the wire between the ECM/PCM (A9) and PGM-FI main relay 1.■
  1. Test PGM-FI main relay 1.
Is PGM-FI main relay 1 OK?
YES -
Go to Step 72 .
NO -
Replace PGM-FI main relay 1 .■
  1. Disconnect ECM/PCM connector B (49P).