DLC Circuit Troubleshooting - PGM-FI System
  1. Check for continuity between ECM connector terminal B18 and body ground.
Is there continuity?
YES -
Go to Step 74 .
NO -
Go to Step 75 .
  1. Continue to check for continuity between ECM connector terminal B18 and body ground, while disconnecting the output shaft (countershaft) speed sensor 3P connector.
Is there continuity?
YES -
Repair short in the wire between the ECM (B18) and the output shaft (countershaft) speed sensor 3P connector.■
NO -
Replace the output shaft (countershaft) speed sensor 3P connector.■