DLC Circuit Troubleshooting
  1. Measure the voltage between DLC terminals No. 4 and No. 16.
Is there battery voltage?
YES -
Go to Step 28 .
NO -
Repair open in the wire between DLC terminal No. 4 and body ground (G501). ■
  1. Connect the HDS to the DLC.
  1. Jump the SCS line with the HDS.
  1. Disconnect ECM/PCM connector A (49P).
  1. Disconnect the HDS from the DLC.