Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual: Vehicle Speed Sensor (B2415)
DESCRIPTION
The No. 1 headlight ECU sub-assembly LH receives speed signals from the skid control ECU (brake actuator assembly) via CAN communication and performs light control.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | DTC Output from |
|---|---|---|---|---|
| B2415 | Vehicle Speed Sensor |
| Vehicle stability control system | No. 1 headlight ECU sub-assembly LH |
WIRING DIAGRAM
PROCEDURE
| 1. | CONFIRM MODEL |
(a) Choose the model to be inspected.
| Result | Proceed to |
|---|---|
| for Multiple Beam Headlight | A |
| for Single Beam Headlight | B |
| B | .gif) | GO TO STEP 4 |
|
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| 2. | CLEAR DTC |
(a) Connect the Techstream to the DLC3.
(b) Turn the engine switch on (IG).
(c) Turn the Techstream on.
(d) Enter the following menus: Body Electrical / AFS / Trouble Codes.
(e) Clear the DTCs.
Body Electrical > AFS > Clear DTCs
|
| 3. | CHECK FOR DTC |
(a) Connect the Techstream to the DLC3.
(b) Turn the engine switch on (IG).
(c) Wait 10 seconds or more.
(d) Turn the Techstream on.
(e) Enter the following menus: Body Electrical / AFS / Trouble Codes.
(f) Check for DTCs.
Body Electrical > AFS > Trouble CodesOK:
DTC B2415 is not output.
| OK | | USE SIMULATION METHOD TO CHECK |
| NG | | GO TO VEHICLE STABILITY CONTROL SYSTEM |
| 4. | CLEAR DTC |
(a) Connect the Techstream to the DLC3.
(b) Turn the engine switch on (IG).
(c) Turn the Techstream on.
(d) Enter the following menus: Body Electrical / HL AutoLeveling / Trouble Codes.
(e) Clear the DTCs.
Body Electrical > HL AutoLeveling > Clear DTCs
|
| 5. | CHECK FOR DTC |
(a) Connect the Techstream to the DLC3.
(b) Turn the engine switch on (IG).
(c) Wait 10 seconds or more.
(d) Turn the Techstream on.
(e) Enter the following menus: Body Electrical / HL AutoLeveling / Trouble Codes.
(f) Check for DTCs.
Body Electrical > HL AutoLeveling > Trouble CodesOK:
DTC B2415 is not output.
| OK | | USE SIMULATION METHOD TO CHECK |
| NG | | GO TO VEHICLE STABILITY CONTROL SYSTEM |
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Lexus RX (RX 350L, RX450h) 2016-{YEAR} Owners Manual
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Lexus RX (RX 350L, RX450h) 2016-{YEAR} Repair Manual
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