( TL19E00K761000N2601FAAT00 )

DTC Troubleshooting: 2601

DTC 2601:
Display Diag: Connect
NOTE:

- Check for B-CAN DTCs and resolve them before troubleshooting.
- Before you troubleshoot, make sure to follow the general troubleshooting information.

1. Clear the hard error code.

1. Turn the ignition switch to LOCK (0), and then back 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 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 | - | Repair poor connections or loose terminals, and recheck the self-diagnosis mode. ■

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. 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.■