Audio 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.
Turn the ignition switch to ON (II), or press the engine start/stop button to select the ON mode.

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

Does the multi-information display unit image change when the transmission is shifted to R position/mode?

     
YES: Rearview is displayed
     
     
     
Intermittent failure, the system is OK at this time.?
     
YES: Rearview is not displayed
     
     
     
The failure is duplicated, go to step 2.
     
NO
     
     
     
The failure is duplicated, go to step 7.
2.
Determine possible failure area (CAMERA ADPT line, others):

Determine possible failure area (CAMERA ADPT line, others)
?1.
Turn the ignition switch to LOCK (0), or press the engine start/stop button to select the OFF mode.

?2.
Disconnect the following connector.

?3.
Turn the ignition switch to ON (II), or press the engine start/stop button to select the ON mode.

?4.
Measure the voltage between test points 1 and 2.
Test condition
IG ON (II) or ON mode
 
Rearview camera 8P connector: disconnected
Test circuit
CAMERA ADPT

Test point 1
Rearview camera 8P connector No. 6 (LT BLU)
Test point 2
Body ground
2-Door

4-Door


Is there about 3.0 V?

     
YES
     
     
     
The CAMERA ADPT wire is OK. Go to step 3.
     
NO
     
     
     
Go to step 8.
3.
Shorted wire check (CAMERA lines) 1:

Shorted wire check (CAMERA lines) 1
?1.
Turn the ignition switch to LOCK (0), or press the engine start/stop button to select the OFF mode.

?2.
Disconnect the following connector.

?3.
Check for continuity between these test points and body ground individually.
Test condition
IG LOCK (0) or OFF mode
 
Rearview camera 8P connector: disconnected
 
Audio unit connector G (24P): disconnected

Connector
Test circuit
Terminal
Audio 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 unit and the rearview camera. Replace the affected shielded harness.?
     
NO
     
     
     
The CAMERA wires are not shorted to ground. Go to step 4.
4.
Shorted wire check (CAMERA lines) 2:

Shorted wire check (CAMERA lines) 2
?1.
Check for continuity between test points 1 and 2.
Test condition
IG LOCK (0) or OFF mode
 
Rearview camera 8P connector: disconnected
 
Audio unit connector G (24P): disconnected

Test circuits
Connector: Audio 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 unit and the rearview camera. Replace the affected shielded harness.?
     
NO
     
     
     
The CAMERA wires are not shorted in the wires. Go to step 5.
5.
Open wire check (CAMERA lines):

Open wire check (CAMERA lines)
?1.
Check for continuity between test points 1 and 2.
Test condition
IG LOCK (0) or OFF mode
 
Audio unit connector G (24P): disconnected
 
Rearview camera 8P connector: disconnected

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

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

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 unit and the rearview camera. Replace affected shielded harness.?
6.
Rearview camera check (substitution):

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

?2.
Reconnect all the connectors, and recheck.

Does the symptom go away?

     
YES
     
     
     
     
NO
     
     
     
7.
Open wire check (B-CAN_H line, B-CAN_L line):

Open wire check (B-CAN_H line, B-CAN_L line)
?1.
Turn the ignition switch to LOCK (0), or 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
IG LOCK (0) or OFF mode
 
Audio unit connector A (24P): disconnected
 
Gauge control module connector A (32P): disconnected
Test circuit
B-CAN_H
Test point 1
Audio unit connector A (24P) No. 4 (PNK)
Test point 2
Gauge control module connector A (32P) No. 30 (PNK)

Test circuit
B-CAN_L
Test point 1
Audio unit connector A (24P) No. 2 (BLU)
Test point 2
Gauge control module connector A (32P) No. 31 (BLU)


Is there continuity?

     
YES
     
     
     
     
NO
     
     
     
Repair an open in the wire(s) between the audio unit and the gauge control module.?
8.
Open wire check (CAMERA ADPT line):

Open wire check (CAMERA ADPT line)
?1.
Measure the voltage between test points 1 and 2.
Test condition
IG ON (II) or ON mode
 
Rearview camera 8P connector: disconnected
Test circuit
CAMERA ADPT
Test point 1
Audio unit connector G (24P) No. 17 (LT BLU)
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