DTC Troubleshooting: 2601
  1. Check for continuity between body ground and navigation display unit 28P connector terminals No. 5 and No. 19 individually.
Is there continuity?
YES -
Repair short to body ground in the wire(s) between the navigation display unit and the navigation unit.■
NO -
Go to Step 13 .
  1. Reconnect the all connectors, then turn the ignition switch to ON (II).
  1. Go into the Diagnostic Menu and select the Self-Diagnosis Mode in the Select Diagnosis Items menu.
  1. Check the System Links.
Is the Display icon red?
YES -
Go to Step 17 .
NO -
Intermittent failure, the system is OK at this time.■
  1. Turn the ignition switch to LOCK (0).
  1. Disconnect the audio unit connector E (14P), and then ignition switch to ON (II).
  1. Go into the Diagnostic Menu and Select the Self-Diagnosis Mode in the Select Diagnosis Items Menu.
  1. Select the Display.
Is the Display icon red?
YES -
Replace the navigation display unit. ■
NO -
Internal short circuit of audio unit.■