Navigation System Symptom Troubleshooting - Rearview camera image does not come on or work properly
Rearview camera image does not come on or work properly
NOTE:
Check the vehicle battery condition first.
Check the connectors for poor connections or loose terminals.
1.
Problem verification:

Problem verification
?1.
Press the engine start/stop button to select the ON mode.

?2.
Move the shift lever to R.

Does the navigation display image change when the shift lever is in R?

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

DTC check
?1.
Move the shift lever to P or N.

?2.
Check for hard error codes.

Are there any navigation DTCs indicated?

     
YES
     
     
     
Go to indicated DTC's troubleshooting.?
     
NO
     
     
     
Go to step 3.
3.
Determine possible failure area (BACK LT line, others):

Determine possible failure area (BACK LT line, others)
?1.
Go into the System Diagnostic Mode, and use the Car Status diagnosis to check the BACK signal.

?2.
Move the shift lever to R.

Does the BACK signal change from [0] to [1] when the shift lever position is changed from P or N to R?

     
YES
     
     
     
Go to step 5.
     
NO
     
     
     
Go to step 4.
4.
Open wire check (BACK LT line):

Open wire check (BACK LT line)
?1.
Move the shift lever to P or N.

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

?3.
Disconnect the following connector.

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

?5.
Move the shift lever to R.

?6.
Measure the voltage between test points 1 and 2.
Test condition
ON mode
 
Audio-navigation unit connector G (24P)
Test circuit
BACK LT
Test point 1
Audio-navigation unit connector G (24P) No. 24 (TAN)
Test point 2
Body ground


Is there battery voltage?

     
YES
     
     
     
     
NO
     
     
     
Repair an open in the wire between the audio-navigation unit and the under-dash fuse/relay box.?
5.
Open wire check (CAMERA lines):

Open wire check (CAMERA lines)
?1.
Move the shift lever to P or N.

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

?3.
Disconnect the following connectors.

?4.
Check for continuity between test points 1 and 2.
Test condition
OFF mode
 
Audio-navigation unit connector G (24P): disconnected
 
2-door: Rearview camera 8P connector: disconnected
 
4-door: Rearview camera 8P connector: disconnected

2-door
Test circuit
Test point 1:
Audio-navigation unit connector G (24P)
Test point 2:
Rearview camera 8P connector
SH CAMERA
No. 2 (GRY)
No. 7 (GRY)
CAMERA V
No. 15 (GRN)
No. 5 (WHT)
CAMERA V GND
No. 4 (WHT)
No. 2 (GRN)
CAMERA GND
No. 3 (RED)
No. 3 (RED)
CAMERA VCC
No. 16 (BLK)
No. 1 (BLK)

4-door
Test circuit
Test point 1:
Audio-navigation unit connector G (24P)
Test point 2:
Rearview camera 12P connector
SH CAMERA
No. 2 (GRY)
No. 5 (GRY)
CAMERA V
No. 15 (GRN)
No. 7 (WHT)
CAMERA V GND
No. 4 (WHT)
No. 1 (GRN)
CAMERA GND
No. 3 (RED)
No. 8 (RED)
CAMERA VCC
No. 16 (BLK)
No. 2 (BLK)

2-door

4-door


Is there continuity?

     
YES
     
     
     
The CAMERA wires are not open. Go to step 6.
     
NO
     
     
     
There is an open in the wire(s) between the audio-navigation unit and the rearview camera. Replace affected shielded harness.?
6.
Shorted wire check (CAMERA lines) 1:

Shorted wire check (CAMERA lines) 1
?1.
Check for continuity between test points 1 and 2.
Test condition
OFF mode
 
Audio-navigation unit connector G (24P): disconnected
 
2-door: Rearview camera 8P connector: disconnected
 
4-door: Rearview camera 8P connector: disconnected

Test circuits
Connector: Audio-navigation unit connector G (24P)
Test point 1
Test points 2
SH CAMERA to
CAMERA GND, CAMERA V GND, CAMERA V, CAMERA VCC
No. 2 (GRY)
No. 3 (RED), No. 4 (WHT), No. 15 (GRN), No. 16 (BLK)
CAMERA GND to
CAMERA V GND, CAMERA V, CAMERA VCC
No. 3 (RED)
No. 4 (WHT), No. 15 (GRN), No. 16 (BLK)
CAMERA V GND to
CAMERA V, CAMERA VCC
No. 4 (WHT)
No. 15 (GRN), No. 16 (BLK)
CAMERA V to CAMERA VCC
No. 15 (GRN)
No. 16 (BLK)


Is there continuity between any of the terminals?

     
YES
     
     
     
There is a short in the wires between the audio-navigation unit and the rearview camera. Replace the affected shielded harness.?
     
NO
     
     
     
The CAMERA wires are not shorted in the wires. Go to step 7.
7.
Shorted wire check (CAMERA lines) 2:

Shorted wire check (CAMERA lines) 2
?1.
Check for continuity between these test points and body ground individually.
Test condition
OFF mode
 
Audio-navigation unit connector G (24P): disconnected
 
2-door: Rearview camera 8P connector: disconnected
 
4-door: Rearview camera 8P connector: disconnected

Connector
Test circuit
Terminal
Audio-navigation unit connector G (24P)
CAMERA GND
No. 3 (RED)
CAMERA V GND
No. 4 (WHT)
CAMERA V
No. 15 (GRN)
CAMERA VCC
No. 16 (BLK)


Is there continuity?

     
YES
     
     
     
There is a short to body ground in the wire(s) between the audio-navigation unit and the rearview camera. Replace the affected shielded harness.?
     
NO
     
     
     
The CAMERA wires are OK. Go to step 8.
8.
Rearview camera unit check (substitution):

Rearview camera unit check (substitution)
?1.
Substitute a known-good rearview camera.

?2.
Reconnect all the connectors, and recheck.

Does the symptom go away?

     
YES
     
     
     
Replace the original rearview camera.?
     
NO