Audio-Navigation System DTC Troubleshooting: 2711
DTC 2711: AUX Video Diag
NOTE:
Check the vehicle battery condition first.
This navigation DTC sets when NG is indicated in the AUX Video diagnosis (the AUX Video icon is red in the System Links).
Before you troubleshoot, make sure to follow the General Troubleshooting Information.
Check the connectors for poor connections or loose terminals.
1.
Problem verification 1:

Problem verification 1
?1.
Clear the hard error codes.

?2.
Press the engine start/stop button to select the OFF mode and then select the ON mode.

?3.
Check for hard error codes.

Is DTC 2711 indicated?

     
YES
     
     
     
The failure is duplicated, go to step 2.
     
NO
     
     
     
Intermittent failure, the system is OK at this time.?
2.
Problem verification 2:

Problem verification 2
?1.
Clear the hard error codes.

?2.
Press the engine start/stop button to select the OFF mode.

?3.
Disconnect the AUX device, then connect a known-good AUX device to the auxiliary jack assembly.

?4.
Check for hard error codes.

Is DTC 2711 indicated?

     
YES
     
     
     
Go to step 3.
     
NO
     
     
     
Original AUX device is faulty.?
3.
Shorted wire check1 (AUX DET line, AUX GND line):

Shorted wire check1 (AUX DET line, AUX GND line)
?1.
Press the engine start/stop button to select the OFF mode.

?2.
Disconnect the following connectors.

?3.
Check for continuity between test points 1 and 2.
Test condition
OFF mode
 
Auxiliary jack assembly 5P connector: disconnected
 
Audio-navigation unit connector C (20P): disconnected
Test circuit
AUX DET
Test point 1
Auxiliary jack assembly 5P connector No. 5 (GRY)
Test point 2
Body ground

Test circuit
AUX GND
Test point 1
Auxiliary jack assembly 5P connector No. 4 (YEL)
Test point 2
Body ground


Is there continuity?

     
YES
     
     
     
Repair a short in the wire between the auxiliary jack assembly and audio-navigation unit.?
     
NO
     
     
     
Go to step 4.
4.
Shorted wire check2 (AUX DET line, AUX GND line):

Shorted wire check2 (AUX DET line, AUX GND line)
?1.
Check for continuity between test points 1 and 2.
Test condition
OFF mode
 
Auxiliary jack assembly 5P connector: disconnected
 
Audio-navigation unit connector C (20P): disconnected
Test circuit
AUX DET, AUX GND
Test point 1
Auxiliary jack assembly 5P connector No. 5 (GRY)
Test point 2
Auxiliary jack assembly 5P connector No. 4 (YEL)


Is there continuity?

     
YES
     
     
     
Repair a short in the wire between the auxiliary jack assembly and audio-navigation unit.?
     
NO
     
     
     
Go to step 5.
5.
Open wire check (AUX DET line, AUX GND line):

Open wire check (AUX DET line, AUX GND line)
?1.
Press the engine start/stop button to select the OFF mode.

?2.
Check for continuity between test points 1 and 2.
Test condition
OFF mode
 
Auxiliary jack assembly 5P connector: disconnected
 
Audio-navigation unit connector C (20P): disconnected
Test circuit
AUX DET
Test point 1
Auxiliary jack assembly 5P connector No. 5 (GRY)
Test point 2
Audio-navigation unit connector C (20P) No. 16 (GRY)

Test circuit
AUX GND
Test point 1
Auxiliary jack assembly 5P connector No. 4 (YEL)
Test point 2
Audio-navigation unit connector D (12P) No. 6 (YEL)


Is there continuity?

     
YES
     
     
     
Go to step 6.
     
NO
     
     
     
Repair an open in the wire between the auxiliary jack assembly and the audio-navigation unit.?
6.
Auxiliary jack assembly check (substitution):

Auxiliary jack assembly check (substitution)
?1.
Substitute a known-good auxiliary jack assembly.

?2.
Reconnect all the connectors, and recheck.

?3.
Clear the hard error codes.

?4.
Press the engine start/stop button to select the OFF mode and then select the ON mode.

?5.
Check for hard error codes.

Is DTC 2711 indicated?

     
YES
     
     
     
     
NO
     
     
     
Replace the original auxiliary jack assembly.?