DTC B242C: Right Headlight ECU Malfunction; DTC B242D: Left Headlight ECU Malfunction [10/2014 - 09/2017]: Procedure

1. Clear the DTCs.

   Refer to DTC CHECK / CLEAR [10/2014 - 09/2017]

   Body Electrical > HL AutoLeveling > Clear DTCs 

   Result

   Proceed to
   NEXT

Result: 

NEXT 

See step  2

1. Turn the engine switch on (IG).
2. Check for DTCs.

   Refer to DTC CHECK / CLEAR [10/2014 - 09/2017]

   Body Electrical > HL AutoLeveling > Trouble Codes 

   Result

   Proceed to
   DTCs B242C and B242D are not output
   DTC B242C is output
   DTC B242D is output

Result: 

DTCs B242C and B242D are not output 

USE SIMULATION METHOD TO CHECK. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [10/2014 - 09/2017] 

Result: 

DTC B242C is output 

REPLACE HEADLIGHT LIGHT CONTROL ECU SUB-ASSEMBLY RH. Refer to  REMOVAL [10/2014 - 09/2017] 

Result: 

DTC B242D is output 

REPLACE HEADLIGHT LIGHT CONTROL ECU SUB-ASSEMBLY LH. Refer to  REMOVAL [10/2014 - 09/2017]