DTC B241A: Rear Height Control Sensor [09/2014 - 10/2018]: Procedure

1. Clear the DTCs.

   Refer to DTC CHECK / CLEAR [09/2014 - 10/2018]

   Body Electrical > HL AutoLeveling > Clear DTCs 

2. Check for DTCs.

   Refer to DTC CHECK / CLEAR [09/2014 - 10/2018]

   Body Electrical > HL AutoLeveling > Trouble Codes 

   OK

   DTC B241A is not output.

   Result

   Proceed to
   OK
   NG

Result: 

OK 

USE SIMULATION METHOD TO CHECK. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [09/2014 - 10/2015]  , or refer to  HOW TO PROCEED WITH TROUBLESHOOTING [10/2015 - 11/2017]  , or refer to  HOW TO PROCEED WITH TROUBLESHOOTING [11/2017 - 10/2018] 

Result: 

NG 

See step  2

1. Connect the Techstream to the DLC3.
2. Turn the engine switch on (IG).
3. Turn the Techstream on.
4. Enter the following menus: Body Electrical / HL AutoLeveling / Data List.
5. Read the Data List according to the display on the Techstream.

   Body Electrical > HL AutoLeveling > Data List 

   Tester Display	Measurement Item	Range	Normal Condition	Diagnostic Note
   Rr Height Sens Signal Val	Rear height control sensor signal value	0.00 to 5.00 V	0.50 to 4.50 V	Value changes according to vehicle height

   Body Electrical > HL AutoLeveling > Data List 

   Tester Display
   Rr Height Sens Signal Val

   OK

   Normal condition listed above is displayed.

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE HEADLIGHT LEVELING ECU ASSEMBLY. Refer to  REMOVAL [09/2014 - 10/2018] 

Result: 

NG 

See step  3

1. Disconnect the A61 headlight leveling ECU assembly connector.
2. Disconnect the k1 rear height control sensor sub-assembly LH connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   A61-19 (SHRL) - k1-2 (OUT)	Always	Below 1 Ω
   A61-19 (SHRL) - Body ground	Always	10 kΩ or higher

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR 

Result: 

OK 

See step  4

1. Remove the rear height control sensor sub-assembly LH.

   Refer to REMOVAL [09/2014 - ]

2. Inspect the rear height control sensor sub-assembly LH.

   Refer to INSPECTION [09/2014 - ]

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE HEADLIGHT LEVELING ECU ASSEMBLY. Refer to  REMOVAL [09/2014 - 10/2018] 

Result: 

NG 

REPLACE REAR HEIGHT CONTROL SENSOR SUB-ASSEMBLY LH. Refer to  REMOVAL [09/2014 - ]