DLC Circuit Troubleshooting
  1. Check for continuity between PCM connector terminal B19 and body ground.
Is there continuity?
YES -
Go to Step 77 .
NO -
Go to Step 78 .
  1. Continue to check for continuity between PCM connector terminal B19 and body ground while disconnecting the input shaft (mainshaft) speed sensor 3P connector.
Is there continuity?
YES -
Repair short in the wire between the PCM (B19) and the input shaft (mainshaft) speed sensor.■
NO -
Replace the input shaft (mainshaft) speed sensor.