LaneWatch Symptom Troubleshooting - Does not switch to the LaneWatch screen
Does not switch to the LaneWatch screen
1.
LaneWatch camera check:

LaneWatch camera check
?1.
Start the engine.

?2.
Go into the System Diagnostic Mode, and select the Detail Information & Setting.

?3.
Select LaneWatch in the Unit Check.

Is Connection OK indicated?

     
YES
     
     
     
Go to step 2.
     
NO
     
     
     
2.
LaneWatch switch check:

LaneWatch switch check
?1.
Select LaneWatch in the Functional Setup, and operate the LaneWatch switch.

Is the LaneWatch Switch OK indicated?

     
YES
     
     
     
Intermittent failure, the system is OK at this time.?
     
NO
     
     
     
Go to step 3.
3.
Open wire check (LANEWATCH SW line):

Open wire check (LANEWATCH SW line)
?1.
Turn the vehicle to the OFF (LOCK) mode.

?2.
Disconnect the following connector.
Combination light switch 12P connector

?3.
Connect terminals A and B with a jumper wire.
Terminal A
Combination light switch 12P connector (female terminals) No. 4:
Terminal B
Body ground


?4.
Turn the vehicle to the ON mode.

?5.
Go into the System Diagnostic Mode, and select the Detail Information & Setting.

?6.
Select LaneWatch in the Functional Setup.

?7.
Operate the LaneWatch switch.

Is LaneWatch Switch OK on the display?

     
YES
     
     
     
The LANEWATCH SW wire is OK. Go to step 4.
     
NO
     
     
     
Repair an open in the wire between the combination light switch and the audio-navigation unit.?
4.
Open wire check (GND line):

Open wire check (GND line)
?1.
Turn the vehicle to the OFF (LOCK) mode

?2.
Connect terminals A and B with a jumper wire.
Terminal A
Combination light switch 12P connector (female terminals) No. 3:
Terminal B
Combination light switch 12P connector (female terminals) No. 4:


?3.
Turn the vehicle to the ON mode.

?4.
Go into the System Diagnostic Mode, and select the Detail Information & Setting.

?5.
Select LaneWatch in the Functional Setup.

?6.
Operate the LaneWatch switch.

Is LaneWatch Switch OK on the display?

     
YES
     
     
     
     
NO
     
     
     
Repair an open in the wire between the combination light switch and the body ground (G401), or repair poor ground (G401).?