DTC Troubleshooting: 2703
  1. Check for continuity between navigation control unit connector B (32P) terminals No. 4, No. 20, and No. 21 body ground individually.
Are there continuity?
YES -
Go to Step 14 .
NO -
Repair open in the wire(s) between the navigation control unit and the climate control unit.■
  1. Disconnect the jumper wire.