( TL19E20A20326919461FAAT00 )

DLC Circuit Troubleshooting

1. Check for continuity between ECM/PCM connector terminal A37 and body ground.

Is there continuity?

YES | - | Update the ECM/PCM if it does not have the latest software, or substitute a known-good ECM/PCM, then recheck. If the symptom/indication goes away with a known-good ECM/PCM, replace the original ECM/PCM. ■
NO | - | Repair open in the wire between the ECM/PCM (A37) and DLC terminal No. 14.■

1. Try to start the engine.

Does the engine start and idle smoothly?

YES | - | Go to F-CAN circuit troubleshooting. ■
NO | - | Go to Step 35 .

1. Turn the ignition switch to LOCK (0).

1. Check the No. 3 IG MAIN (50 A) fuse in the under-hood fuse/relay box.

Is the fuse OK?

YES | - | Repair open in the wire between the No. 3 IG MAIN (50 A) fuse and the ignition switch. If the wire is OK, go to Step 37 .
NO | - | Repair short in the wire between the No. 3 IG MAIN (50 A) fuse and the ignition switch. Also replace the No. 3 IG MAIN (50 A) fuse.■

1. Inspect the No. 17 FI MAIN (15 A) fuse in the under-hood fuse/relay box.

Is the fuse OK?

YES | - | Go to Step 44 .
NO | - | Go to Step 38 .

1. Remove the blown No. 17 FI MAIN (15 A) fuse from the under-hood fuse/relay box.