DTC B242E: Open in IG Circuit [09/2014 - 03/2019]: Procedure

1. Clear the DTCs.

   Refer to DTC CHECK / CLEAR [09/2014 - 03/2019]

   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 [09/2014 - 03/2019]

   Body Electrical > HL AutoLeveling > Trouble Codes 

   OK

   DTC B242E is not output.

   Result

   Proceed to
   OK
   NG

Result: 

OK 

USE SIMULATION METHOD TO CHECK. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [09/2014 - 08/2016]  , or refer to  HOW TO PROCEED WITH TROUBLESHOOTING [08/2016 - 11/2017]  , or refer to  HOW TO PROCEED WITH TROUBLESHOOTING [11/2017 - 03/2019] 

Result: 

NG 

See step  3

1. Disconnect the A11 headlight light control ECU sub-assembly RH connector.
2. Measure the voltage according to the value(s) in the table below.

   Standard Voltage

   Tester Connection	Condition	Specified Condition
   A11-4 (IG) - Body ground	Engine switch off	Below 1 V
   A11-4 (IG) - Body ground	Engine switch on (IG)	11 to 14 V

3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   A11-12 (GND) - Body ground	Always	Below 1 Ω

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE HEADLIGHT LIGHT CONTROL ECU SUB-ASSEMBLY RH. Refer to  REMOVAL [09/2014 - 03/2019] 

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR