DESCRIPTION
The headlight leveling ECU assembly receives signals indicating the height of the vehicle from the rear height control sensor sub-assembly RH.
DTC No. |
DTC Detecting Condition |
Trouble Area |
---|---|---|
B241A |
|
|
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
If either of the following is performed, initialization of the headlight leveling
ECU assembly is necessary (See page ).
PROCEDURE
1. |
CHECK FOR DTC |
(a) Clear the DTCs (See page ).
(b) Check for DTCs (See page ).
OK:
DTC B241A is not output.
OK | ![]() |
USE SIMULATION METHOD TO CHECK |
|
2. |
READ VALUE USING TECHSTREAM |
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Turn the Techstream on.
(d) Enter the following menus: Body Electrical / HL Auto Leveling / Data List.
(e) Read the display on the Techstream.
HL Auto Leveling
Tester Display |
Measurement Item/Range |
Normal Condition |
Diagnostic Note |
---|---|---|---|
Height Sens Pw Supply Val |
Rear height control sensor power supply value / 0.00 to 5.00 V |
Approx. 5 V |
- |
Rr Height Sens Signal Val |
Rear height control sensor signal value / 0.00 to 5.00 V |
Approx. 2.5 V (When the vehicle is level) |
Value changes according to vehicle height |
OK:
Normal conditions listed above are displayed.
OK | ![]() |
REPLACE HEADLIGHT LEVELING ECU ASSEMBLY |
|
3. |
INSPECT REAR HEIGHT CONTROL SENSOR SUB-ASSEMBLY RH |
(a) Remove the rear height control sensor sub-assembly RH (See page
).
(b) Inspect the rear height control sensor sub-assembly RH (See page
).
NG | ![]() |
REPLACE REAR HEIGHT CONTROL SENSOR SUB-ASSEMBLY RH |
|
4. |
CHECK HARNESS AND CONNECTOR (HEADLIGHT LEVELING ECU ASSEMBLY - REAR HEIGHT CONTROL SENSOR RH) |
(a) Disconnect the A40 headlight leveling ECU assembly connector.
(b) Disconnect the N1 rear height control sensor sub-assembly RH connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
A40-19 (SHRL) - N1-2 (SHRR) |
Always |
Below 1 Ω |
A40-19 (SHRL) - Body ground |
Always |
10 kΩ or higher |
OK | ![]() |
REPLACE HEADLIGHT LEVELING ECU ASSEMBLY |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
Removal
REMOVAL
CAUTION / NOTICE / HINT
NOTICE:
When disconnecting the steering intermediate shaft assembly and pinion shaft
of steering gear assembly, be sure to place matchmarks before servicing.
PROCEDURE
1. PLACE FRONT WHEELS FACING STRAIGHT AHEAD
2. SECUR ...
Front Stabilizer Bar(when Not Using The Engine Support Bridge For Awd)
Components
COMPONENTS
ILLUSTRATION
Inspection
INSPECTION
PROCEDURE
1. INSPECT FRONT STABILIZER LINK ASSEMBLY
(a) Inspect the turning torque of the ball joint.
(1) Secure the front stabilizer link assembly in a vise using aluminum
...
Replacement
REPLACEMENT
CAUTION / NOTICE / HINT
HINT:
Use the same procedure for the RH side and LH side.
The procedure listed below is for the LH side.
PROCEDURE
1. DRAIN DIFFERENTIAL OIL
2. REMOVE REAR WHEEL
3. REMOVE CENTER EXHAUST PIPE ASSE ...