DTC B241A: Rear Height Control Sensor [04/2013 - 10/2016]: Procedure

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CHECK FOR DTC

Clear the DTCs.
Refer to DTC CHECK / CLEAR [04/2013 - 09/2020]

Body Electrical > HL AutoLeveling > Clear DTCs

Check for DTCs.

Refer to DTC CHECK / CLEAR [04/2013 - 09/2020]

Body Electrical > HL AutoLeveling > Trouble Codes

DTC B241A is not output.

Result

Proceed to
OK
NG

Result:

USE SIMULATION METHOD TO CHECK. Refer to HOW TO PROCEED WITH TROUBLESHOOTING [04/2013 - 06/2014] , or refer to HOW TO PROCEED WITH TROUBLESHOOTING [06/2014 - 08/2015] , or refer to HOW TO PROCEED WITH TROUBLESHOOTING [08/2015 - 10/2016]

Result:

See step 2

READ VALUE USING TECHSTREAM

Connect the Techstream to the DLC3.
Turn the engine switch on (IG).
Turn the Techstream on.
Enter the following menus: Body Electrical / HL AutoLeveling / Data List.

Read 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

Normal condition listed above is displayed.

Result

Proceed to
OK
NG

Result:

REPLACE HEADLIGHT LEVELING ECU ASSEMBLY. Refer to REMOVAL [04/2013 - 10/2016]

Result:

See step 3

CHECK HARNESS AND CONNECTOR (HEADLIGHT LEVELING ECU ASSEMBLY - REAR HEIGHT CONTROL SENSOR SUB-ASSEMBLY)

Disconnect the A65 headlight leveling ECU assembly connector.
Disconnect the g1 rear height control sensor sub-assembly connector.

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

Standard Resistance

Tester Connection	Condition	Specified Condition
A65-19 (SHRL) - g1-2 (OUT)	Always	Below 1 Ω
A65-19 (SHRL) - Body ground	Always	10 kΩ or higher

Result

Proceed to
OK
NG

Result:

REPAIR OR REPLACE HARNESS OR CONNECTOR

Result:

See step 4

INSPECT REAR HEIGHT CONTROL SENSOR SUB-ASSEMBLY

Remove the rear height control sensor sub-assembly.
Refer to REMOVAL [04/2013 - 09/2020]

Inspect the rear height control sensor sub-assembly.

Refer to INSPECTION [04/2013 - ]

Result

Proceed to
OK
NG

Result:

REPLACE HEADLIGHT LEVELING ECU ASSEMBLY. Refer to REMOVAL [04/2013 - 10/2016]

Result:

REPLACE REAR HEIGHT CONTROL SENSOR SUB-ASSEMBLY. Refer to REMOVAL [04/2013 - 09/2020]