DTC Troubleshooting: 2601
  1. Check for continuity between navigation display unit 28P connector terminals No. 5 and No. 19.
Is there continuity?
YES -
Go to Step 9 .
NO -
Repair open in the wire between navigation unit and navigation display unit.■
  1. Disconnect the jumper wire.
  1. Disconnect the audio unit connector E (14P).