DLC Circuit Troubleshooting - PGM-FI System
  1. Check for continuity between ECM connector terminal B19 and body ground.
Is there continuity?
YES -
Go to Step 76 .
NO -
Go to Step 77 .
  1. Continue to check for continuity between ECM connector terminal B19 and body ground, while disconnecting the EGR valve 5P connector.
Does continuity go away when the components is disconnected?
YES -
Replace the EGR valve. ■
NO -
Repair short in the wire between the ECM (B19) and the EGR valve.■