Navigation System Symptom Troubleshooting - Rearview camera image does not change when selecting different views
Rearview camera image does not change when selecting different views
NOTE:
Check the vehicle battery condition first.
You can select three different rearview camera angles for backing up. If there is no camera image on the display, go to Rearview camera image does not come on or work properly troubleshooting.
Check the connectors for poor connections or loose terminals.
1.
Problem verification:

Problem verification
?1.
Turn the vehicle to the ON mode.

?2.
Shift the transmission to R position/mode.

?3.
Operate the audio-navigation unit to see if the rearview image changes between the wide view, the normal view, and the top down view in this order.

Does the rearview camera image change properly?

     
YES
     
     
     
Intermittent failure, the system is OK at this time.?
     
NO
     
     
     
The failure is duplicated, go to step 2.
2.
Shorted wire check (CAMERA BIT0 line, CAMERA BIT1 line):

Shorted wire check (CAMERA BIT0 line, CAMERA BIT1 line)
?1.
Shift the transmission to P position/mode or N position/mode.

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

?3.
Disconnect the following connectors.
Audio-navigation unit connector C (24P)
Rearview camera 8P connector

?4.
Check for continuity between test points 1 and 2.
Test condition
Vehicle OFF (LOCK) mode
 
Audio-navigation unit connector C (24P): disconnected
 
Rearview camera 8P connector: disconnected
Test circuit 1
  
Test point 1
Audio-navigation unit connector C (24P) No. 5
Test point 2
Body ground

Test circuit 2
  
Test point 1
Audio-navigation unit connector C (24P) No. 18
Test point 2
Body ground

Is there continuity?

     
YES
     
     
     
Repair a short to body ground in the wire(s) between the audio-navigation unit and the rearview camera.?
     
NO
     
     
     
The CAMERA BIT0 wire and CAMERA BIT1 wire are not shorted. Go to step 3.
3.
Shorted wire check (CAMERA BIT0 line to CAMERA BIT1 line):

Shorted wire check (CAMERA BIT0 line to CAMERA BIT1 line)
?1.
Check for continuity between test points 1 and 2.
Test condition
Vehicle OFF (LOCK) mode
 
Audio-navigation unit connector C (24P): disconnected
 
Rearview camera 8P connector: disconnected
Test point 1
Audio-navigation unit connector C (24P) No. 5
Test point 2
Audio-navigation unit connector C (24P) No. 18

Is there continuity?

     
YES
     
     
     
Repair a short in the wires between the audio-navigation unit and the rearview camera.?
     
NO: 2-door
     
     
     
The CAMERA BIT0 wire to CAMERA BIT1 wire are not shorted. Go to step 4.
     
NO: 4-door
     
     
     
The CAMERA BIT0 and the CAMERA BIT1 wires are not shorted. Go to step 5.
4.
Open wire check (CAMERA BIT0, CAMERA BIT1 lines):

Open wire check (CAMERA BIT0, CAMERA BIT1 lines)
?1.
Check for continuity between test points 1 and 2.
Test condition
Vehicle OFF (LOCK) mode
 
Audio-navigation unit connector C (24P): disconnected
 
Rearview camera 6P connector: disconnected
Test circuit 1
  
Test point 1
Audio-navigation unit connector C (24P) No. 5
Test point 2
Rearview camera 8P connector No. 4


Is there continuity?

     
YES
     
     
     
The CAMERA BIT0 wire and CAMERA BIT1 wire are OK. Go to step 5.
     
NO
     
     
     
Repair an open in the wire(s) between the audio-navigation unit and the rearview camera.?
5.
Open wire check (CAMERA BIT0 line, CAMERA BIT1 line):

Open wire check (CAMERA BIT0 line, CAMERA BIT1 line)
?1.
Check for continuity between test points 1 and 2.
Test condition
Vehicle OFF (LOCK) mode
 
Audio-navigation unit connector C (24P): disconnected
 
Rearview camera 8P connector: disconnected
Test point 1
Audio-navigation unit connector C (24P) No. 5
Test point 2
Rearview camera 8P connector No. 3


Is there continuity?

     
YES
     
     
     
The CAMERA BIT0 and the CAMERA BIT1 wires are OK. Go to step 6.
     
NO
     
     
     
Repair an open in the wire(s) between the audio-navigation unit and the rearview camera.?
6.
Audio-navigation unit check 1 (CAMERA BIT0 line):

Audio-navigation unit check 1 (CAMERA BIT0 line)
?1.
Reconnect the following connectors.
Audio-navigation unit connector C (24P)
Rearview camera 8P connector

?2.
Turn the vehicle to the ON mode.

?3.
Shift the transmission to R position/mode.

?4.
Measure the voltage between test points 1 and 2 as specified in the table.
Test condition
Vehicle ON mode
Test point 1
Audio-navigation unit connector C (24P) No. 5
Test point 2
Body ground

Selected view mode
Voltage
Wide View
0 V
Normal View
About 5 - 8 V
Top Down View
0 V

Is the voltage OK?

     
YES
     
     
     
Go to step 7.
     
NO
     
     
     
7.
Audio-navigation unit check 2 (CAMERA BIT1 line):

Audio-navigation unit check 2 (CAMERA BIT1 line)
?1.
Measure the voltage between test points 1 and 2 as specified in the table.
Test condition
Vehicle ON mode
Test point 1
Audio-navigation unit connector C (24P) No. 18
Test point 2
Body ground

Selected view mode
Voltage
Wide View
0 V
Normal View
0 V
Top Down View
About 5 - 8 V

Is the voltage OK?

     
YES
     
     
     
     
NO