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 audio unit connector E (14P).
Are there connections OK?
YES -
Go to Step 5 .
NO -
  1. Turn the ignition switch to LOCK (0).
  1. Disconnect navigation unit connector B (32P) and the navigation display unit 28P connector.
  1. Connect the navigation control unit connector B (32P) terminals No. 10 and No. 26 with a jumper wire.
  1. Check for continuity between navigation display unit 28P connector terminals No. 5 and No. 19.
Is there continuity?
YES -
Go to Step 9 .
NO -
Repair open in the wire between navigation unit and navigation display unit.■
  1. Disconnect the jumper wire.
  1. Disconnect the audio unit connector E (14P).
  1. Check for continuity between navigation display unit 28P connector terminals No. 5 and No. 19, terminals No. 3 and No. 17.
Is there continuity?
YES -
Repair short in the wire(s).■
NO -
Go to Step 12 .
  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. 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. Select the Display.
Is the Display icon red?
YES -
NO -
Internal short circuit of audio unit.■