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

1. Choose the model to be inspected.

   Result

   Result	Proceed to
   for Triple Beam Headlight	A
   for Single Beam Headlight	B

Result: 

B 

See step  4

Result: 

A 

See step  2

1. Connect the Techstream to the DLC3.
2. Turn the ignition switch to ON.
3. Turn the Techstream on.
4. Enter the following menus: Body Electrical / AFS / Trouble Codes.
5. Clear the DTCs.

   Body Electrical > AFS > Clear DTCs 

   Result

   Proceed to
   NEXT

Result: 

NEXT 

See step  3

1. Wait 10 seconds or more.
2. Enter the following menus: Body Electrical / AFS / Trouble Codes.
3. Check for DTCs.

   Body Electrical > AFS > 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 [10/2018 - ] 

Result: 

NG 

See step  6

1. Connect the Techstream to the DLC3.
2. Turn the ignition switch to ON.
3. Turn the Techstream on.
4. Enter the following menus: Body Electrical / HL AutoLeveling / Trouble Codes.
5. Clear the DTCs.

   Body Electrical > HL AutoLeveling > Clear DTCs 

   Result

   Proceed to
   NEXT

Result: 

NEXT 

See step  5

1. Wait 10 seconds or more.
2. Enter the following menus: Body Electrical / HL AutoLeveling / Trouble Codes.
3. Check for DTCs.

   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 [10/2018 - ] 

Result: 

NG 

See step  6

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

   Refer to REMOVAL [10/2018 - ]

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

   Refer to INSPECTION [10/2018 - ]

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPLACE REAR HEIGHT CONTROL SENSOR SUB-ASSEMBLY LH. Refer to  REMOVAL [10/2018 - ] 

Result: 

OK 

See step  7

1. Disconnect the N23 rear height control sensor sub-assembly LH connector.
2. Disconnect the A15 No. 1 headlight ECU sub-assembly LH connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   N23-3 (SHB) - A15-16 (SBR)	Always	Below 1 Ω
   N23-2 (SHRR) - A15-17 (SHRL)	Always	Below 1 Ω
   N23-1 (SHG) - A15-15 (SGR)	Always	Below 1 Ω
   N23-3 (SHB) or A15-16 (SBR) - Body ground	Always	10 kΩ or higher
   N23-2 (SHRR) or A15-17 (SHRL) - Body ground	Always	10 kΩ or higher

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE NO. 1 HEADLIGHT ECU SUB-ASSEMBLY LH. Refer to  REMOVAL [10/2018 - ] 

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR