Audio System DTC Troubleshooting: 2608
DTC 2608: Rear Camera Diag
NOTE:
Check the vehicle 12 volt battery condition first.
This audio DTC sets when NG is indicated in the Rear Camera diagnosis (the Rear Camera 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:

Problem verification
?1.
Clear the hard error codes.

?2.
Turn the vehicle to the OFF (LOCK) mode then the ON mode.

?3.
Check for hard error codes.

Is DTC 2608 indicated?

     
YES
     
     
     
The failure is duplicated, go to step 2.
     
NO
     
     
     
Intermittent failure, the system is OK at this time.?
2.
Determine possible failure area (CAMERA ADPT line, others):

Determine possible failure area (CAMERA ADPT line, others)
?1.
Turn the vehicle to the OFF (LOCK) mode.

?2.
Disconnect the following connector.
Rearview camera 12P connector

?3.
Turn the vehicle to the ON mode.

?4.
Measure the voltage between test points 1 and 2.
Test condition
Vehicle ON mode
 
Rearview camera 12P connector: disconnected
Test point 1
Rearview camera 12P connector No. 11
Test point 2
Body ground

Is there about 3.0 V?

     
YES
     
     
     
Go to step 4.
     
NO
     
     
     
Go to step 3.
3.
Open wire check (CAMERA ADPT line):

Open wire check (CAMERA ADPT line)
?1.
Measure the voltage between test points 1 and 2.
Test condition
Vehicle ON mode
 
Rearview camera 12P connector: disconnected
Test point 1
Audio unit connector G (24P) No. 19
Test point 2
Body ground

Is there about 3.0 V?

     
YES
     
     
     
Repair an open in the wire between the audio unit and the rearview camera.?
     
NO
     
     
     
4.
Determine possible failure area (rearview camera, others):

Determine possible failure area (rearview camera, others)
?1.
Turn the vehicle to the OFF (LOCK) mode.

?2.
Check for continuity between test points 1 and 2.
Test condition
Vehicle OFF (LOCK) mode
 
Rearview camera 12P connector: disconnected
Test point 1
Rearview camera 12P connector No. 6
Test point 2
Body ground

Test point 1
Rearview camera 12P connector No. 12
Test point 2
Body ground

Is there continuity?

     
YES
     
     
     
     
NO
     
     
     
Go to step 5.
5.
Open wire check (SH CAMERA line, RC GND line):

Open wire check (SH CAMERA line, RC GND line)
?1.
Check for continuity between test points 1 and 2.
Test condition
Vehicle OFF (LOCK) mode
 
Rearview camera 12P connector: disconnected
Test point 1
Audio unit connector G (24P) No. 2
Test point 2
Body ground

Test point 1
Audio unit connector G (24P) No. 4
Test point 2
Body ground

Is there continuity?

     
YES
     
     
     
There is an open in the wire(s) between the audio unit and the rearview camera. Replace the affected shielded harness.?
     
NO