Navigation System DTC Troubleshooting: 2601

DTC 2601:
 Display Diag: Connect
NOTE:
  1. Turn the ignition switch to LOCK (0), and then back to ON (II).
  1. Check the System Links.
Is the Display icon red?
YES -
Go to Step 5 .
NO -
Intermittent failure, the system is OK at this time.■
  1. Check for poor connections or loose terminals at navigation unit connector B (32P), and navigation display 20P connector.
Are there connections OK?
YES -
Go to Step 6 .
NO -
  1. Select the DISPLAY.
Is the ROM and RAM OK?
YES -
Go to Step 7 .
NO -
  1. Turn the ignition switch to LOCK (0).
  1. Disconnect navigation unit connector B (32P) and the navigation display 20P connector.
  1. Connect the navigation unit connector B (32P) terminals No. 10 and No. 26 and navigation display 20P connector terminal No. 5 and No. 15 with a jumper wire.
Is there continuity?
YES -
Go to Step 10 .
NO -
Repair open in the wire between navigation unit and navigation display unit.■
  1. Disconnect the jumper wire.

  1. Check for continuity between body ground and navigation display 20P connector terminals No. 5 and No. 15.
Is there continuity?
YES -
Repair short to body ground in the wire(s) between the navigation display.■
NO -
Go to Step 12 .

  1. Check for continuity between navigation display 20P connector according to the table.
    From terminal
    To terminals
    No. 14 (LT GRN)
    No. 5 (GRN), No. 15 (RED)

Is there continuity?
YES -
Replace the affected shielded harness.■
NO -
Go to Step 13 .
  1. Disconnect the audio unit connector C (14P) and USB adapter unit connector A (14P).

  1. Check for continuity between body ground and navigation display 20P connector terminals No. 3 and No. 13.
Is there continuity?
YES -
Repair short to body ground in the wire(s) between the navigation display.■
NO -
Go to Step 15 .

  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. Check the System Links.
Is the Display icon red?
YES -
Go to Step 19 .
NO -
  1. Turn the ignition switch to LOCK (0).
  1. Reconnect audio unit connector C (14P), then turn the ignition switch to ON (II).
  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. 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.■