LaneWatch Symptom Troubleshooting - LaneWatch camera image does not come on (Switches to the black screen)
LaneWatch camera image does not come on (Switches to the black screen)
1.
LaneWatch system check (navigation system diagnostic mode):

LaneWatch system check (navigation system diagnostic mode)
?1.
Turn the vehicle to the ON mode.

?2.
Do the navigation system diagnostic mode, and select the Detail Information & Setting.

?3.
Select the Unit Check icon.

?4.
Select the LaneWatch icon.

Is the Connection OK?

     
YES
     
     
     
Go to step 2.
     
NO
     
     
     
2.
Determine possible failure area (LWC CAM VID/LWC VID line, LWC CAM VGND/LWC VID GND line, LaneWatch camera, others):

Determine possible failure area (LWC CAM VID/LWC VID line, LWC CAM VGND/LWC VID GND line, LaneWatch camera, others)
?1.
Select the Return, then back to Detail Information & Setting menu.

?2.
Start the engine.

?3.
Select the B-CAN icon, then start diagnostic.

Is the MICU_BCM/ICU OK or HLSW_BCM/ICU OK?

     
YES
     
     
     
Go to step 3.
     
NO
     
     
     
Go to step 5.
3.
Open wire check (LWC CAM VID/LWC VID line):

Open wire check (LWC CAM VID/LWC VID line)
?1.
Stop the engine.

?2.
Disconnect the following connectors.
LaneWatch camera 6P connector
Audio-navigation unit connector B (24P)

?3.
Check for continuity between test points 1 and 2.
Test condition
Vehicle OFF (LOCK) mode
 
LaneWatch camera 6P connector: disconnected
 
Audio-navigation unit connector B (24P): disconnected
Test point 1
LaneWatch camera 6P connector No. 3
Test point 2
Audio-navigation unit connector B (24P) No. 20


Is there continuity?

     
YES
     
     
     
Go to step 4.
     
NO
     
     
     
Repair an open in the LWC CAM VID/LWC VID wire between the LaneWatch camera and the audio-navigation unit.?
4.
Open wire check (LWC CAM VGND/LWC VID GND line):

Open wire check (LWC CAM VGND/LWC VID GND line)
?1.
Check for continuity between test points 1 and 2.
Test condition
Vehicle OFF (LOCK) mode
 
LaneWatch camera 6P connector: disconnected
 
Audio-navigation unit connector B (24P): disconnected
Test point 1
LaneWatch camera 6P connector No. 4
Test point 2
Audio-navigation unit connector B (24P) No. 21


Is there continuity?

     
YES
     
     
     
     
NO
     
     
     
Repair an open in the LWC CAM VGND/LWC VID GND wire between the LaneWatch camera and the audio-navigation unit.?
5.
Body electrical DTC check:

Body electrical DTC check
?1.
Stop the engine.

?2.
Turn the vehicle to the ON mode.

?3.
Check for DTCs with the HDS.
DTC Description
DTC
   

Are any DTCs indicated?

     
YES
     
     
     
     
NO
     
     
     
Go to step 6.
6.
Open wire check (B-CAN_H, B-CAN_L line):

Open wire check (B-CAN_H, B-CAN_L line)
?1.
Turn the vehicle to the OFF (LOCK) mode.

?2.
Disconnect the following connectors.
Body control module connector B (36P)
Audio-navigation unit connector A (24P)

?3.
Check for continuity between test points 1 and 2.
Test condition
Vehicle OFF (LOCK) mode
 
Body control module connector B (36P): disconnected
 
Audio-navigation unit connector A (24P): disconnected
Test point 1
Body control module connector B (36P) No. 20
Test point 2
Audio-navigation unit connector A (24P) No.14


Is there continuity?

     
YES
     
     
     
Check for poor connection or loose terminal at the audio-navigation unit. If the symptom does not go away, replace the audio-navigation unit.?
     
NO
     
     
     
Repair an open in the B-CAN_H wire or the B-CAN_L wire between the body control module and the audio-navigation unit.?