Exterior Lights Symptom Troubleshooting - LED headlight does not come on
LED headlight does not come on
1.
DTC check 1:

DTC check 1:
?1.
Turn the ignition switch to ON (II) or press the engine start/stop button to select the ON mode.

?2.
Check for DTCs with the HDS.
DTC Description
DTC
B1081 Left Side LED Headlight Malfunction
 
B1082 Left Side LED Headlight Circuit Malfunction
 
B1083 Right Side LED Headlight Malfunction
 
B1084 Right Side LED Headlight Circuit Malfunction
 

DTC B1081, B1082, B1083 and/or B1084 indicated?

     
YES
     
     
     
Do the indicated DTC's troubleshooting.?
     
NO
     
     
     
Go to step 2.
2.
Open wire check (H/L ON SW line) 1:

Open wire check (H/L ON SW line) 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.
Measure the voltage between test points 1 and 2.
Test condition
IG LOCK (0) or OFF mode
Combination light switch 12P connector: disconnected
Test circuit
H/L ON SW
Test point 1
Combination light switch 12P connector No. 7 (YEL)
Test point 2
Body ground


Is there battery voltage?

     
YES
     
     
     
Go to step 3.
     
NO
     
     
     
Go to step 4.
3.
Open wire check (COMBI SW GND line):

Open wire check (COMBI SW GND line)
?1.
Check for continuity between test points 1 and 2.
Test condition
IG LOCK (0) or OFF mode
Combination light switch 12P connector: disconnected
Test circuit
COMBI SW GND
Test point 1
Combination light switch 12P connector No. 6 (BLK)
Test point 2
Body ground


Is there continuity?

     
YES
     
     
     
     
NO
     
     
     
Repair an open or high resistance in the wire.?
4.
Open wire check (H/L ON SW line) 2:

Open wire check (H/L ON SW line) 2
?1.
Disconnect the following connector.

?2.
Check for continuity between test points 1 and 2.
Test condition
IG LOCK (0) or OFF mode
Combination light switch 12P connector: disconnected
Under-dash fuse/relay box connector N (20P): disconnected
Test circuit
H/L ON SW
Test point 1
Combination light switch 12P connector No. 7 (YEL)
Test point 2
Under-dash fuse/relay box connector N (20P) No. 19 (YEL)


Is there continuity?

     
YES
     
     
     
     
NO
     
     
     
Repair an open or high resistance in the wire.?