LaneWatch Symptom Troubleshooting - Does not switch to the LaneWatch screen
Does not switch to the LaneWatch 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.

Is Connection OK?

     
YES
     
     
     
Go to step 2.
     
NO
     
     
     
2.
LaneWatch switch check (navigation system diagnostic mode):

LaneWatch switch check (navigation system diagnostic mode)
?1.
Select the Functional Setup icon.

?2.
Select the LaneWatch icon, then operate the LaneWatch switch.

Is the LaneWatch Switch OK?

     
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 No. 4
Terminal B
Body ground


?4.
Turn the vehicle to the ON mode.

?5.
Do the navigation system diagnostic mode, and select the Detail Information & Setting.

?6.
Select the Functional Setup icon.

?7.
Select the LaneWatch icon, then operate the LaneWatch switch.

Is the LaneWatch Switch OK?

     
YES
     
     
     
Go to step 4.
     
NO
     
     
     
Repair an open in the LANEWATCH SW 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.
Remove the jumper wire.

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


?4.
Turn the vehicle to the ON mode.

?5.
Do the navigation system diagnostic mode, and select the Detail Information & Setting.

?6.
Select the Functional Setup icon.

?7.
Select the LaneWatch icon, then operate the LaneWatch switch.

Is the LaneWatch Switch OK?

     
YES
     
     
     
     
NO
     
     
     
Repair an open in the GND wire between the combination light switch and body ground (G501), or repair poor ground (G501).?