Navigation System DTC Troubleshooting: 2601

  1. Check for continuity between navigation display 20P connector according to the table.
    From terminal
    To terminals
    No. 4 (BRN)
    No. 3 (BLU), No. 13 (PNK)

Is there continuity?
YES -
Replace the affected shielded harness.■
NO -
Go to Step 16 .
  1. Reconnect navigation unit connector B (32P) and navigation display 20P connector, 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 19 .
NO -
Replace the navigation display. ■
  1. Turn the ignition switch to LOCK (0).
  1. Reconnect audio unit connector C (14P), 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. Select the Display.
Is the Display icon red?
YES -
Internal short circuit of audio unit.■
NO -
Go to Step 23 .
  1. Turn the ignition switch to LOCK (0).
  1. Reconnect USB adapter unit connector A (14P), 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 -
Internal short circuit of USB adapter unit.■
NO -
Intermittent failure, the system is OK at this time.■