DTC Troubleshooting: 2703
  1. Measure the voltage between navigation control unit connector B (32P) terminals No. 4, No. 20, and No. 21 body ground individually.
Is there voltage above 0.2 V?
YES -
Repair short to power in the wire(s) between the navigation control unit and the climate control unit.■
NO -
Go to Step 18 .
  1. Turn the ignition switch to ON (II).