DTC 2601: Display Diag: Connect

WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2017 Honda Odyssey, 2016 Honda Odyssey, 2015 Honda Odyssey, 2014 Honda Odyssey, and 2013 Honda Odyssey. However, it is still accessible from the selected car via links, so may be relevant.

NOTE:

Check the vehicle battery condition first (see BATTERY TEST ).
This navigation DTC sets when a GA-Net bus problem is detected (open or short), or an internal ECU BUS circuit problem is detected (open or short).
Check any official Honda service website for more service information about the navigation system.
Check for B-CAN DTCs and resolve them before troubleshooting.
Before you troubleshoot, make sure to follow the General Troubleshooting Information (see GENERAL TROUBLESHOOTING INFORMATION ).

Clear the hard error code (see HOW TO CLEAR ERROR HISTORY ).
Turn the ignition switch to LOCK (0) and then back to ON (II).
Go into the System Diagnostic Mode, and select the Self-Diagnosis Mode (see SYSTEM DIAGNOSTIC MODE ).
Check the System Links (see SYSTEM LINKS ).
Is the Display icon red?

YES -Go to step 5.

NO -Intermittent failure, the system is OK at this time.
Turn the ignition switch to LOCK (0).
Disconnect audio-navigation unit connector D (14P) and the navigation display unit 32P connector.
Connect audio-navigation unit connector D (14P) terminals No. 11 and No. 12 with a jumper wire.

Fig 1: Connecting Audio-Navigation Unit Connector D (14P) Terminals No. 11 And No. 12 With Jumper Wire
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Check for continuity between navigation display unit 32P connector terminals No. 12 and No. 13.

Fig 2: Checking For Continuity Between Navigation Display Unit 32P Connector Terminals No. 12 And No. 13
Courtesy of AMERICAN HONDA MOTOR CO., INC.

Is there continuity?

YES -Go to step 9.

NO -There is an open in the wire(s) between the audio-navigation unit and the navigation display unit. Replace the affected shielded harness.
Remove the jumper wire.
Check for continuity between body ground and navigation display unit 32P connector terminals No. 12 and No. 13 individually.

Fig 3: Checking For Continuity Between Body Ground And Navigation Display Unit 32P Connector Terminals No. 12 And No. 13 Individually
Courtesy of AMERICAN HONDA MOTOR CO., INC.

Is there continuity?

YES -There is a short to body ground in the wire(s) between the navigation display unit and the audio-navigation unit. Replace the affected shielded harness.

NO -Go to step 11.

Check for continuity between the terminals of the navigation display unit 32P connector according to the table.

TERMINALS REFERENCE CHART

From terminal	To terminals
12 (YEL)	13 (BRN), 14 (GRY)
13 (BRN)	14 (GRY)

Fig 4: Checking For Continuity Between Terminals Of Navigation Display Unit 32P Connector

Courtesy of AMERICAN HONDA MOTOR CO., INC.

Is there continuity between any of the terminals?

YES -There is a short in wires between the navigation display unit and the audio-navigation unit. Replace the affected shielded harness.

NO -Replace the navigation display unit (see NAVIGATION DISPLAY UNIT REMOVAL/INSTALLATION ).