Lexus NX: Vehicle Speed Sensor Malfunction (B2415)
Lexus NX Service Manual / Vehicle Exterior / Lighting (ext) / Automatic Headlight Beam Level Control System (for Triple Beam Headlight) / Vehicle Speed Sensor Malfunction (B2415)
DESCRIPTION
The headlight ECU sub-assembly LH receives speed signals from the brake booster with master cylinder assembly (skid control ECU) via CAN communication and performs light control.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area |
|---|---|---|---|
| B2415 | Vehicle Speed Sensor Malfunction |
| Electronically controlled brake system |
WIRING DIAGRAM
PROCEDURE
| 1. | CHECK FOR DTC |
(a) Clear the DTCs.
Click here .gif)
(b) Turn the power switch on (IG) and wait for at least 10 seconds or more.
(c) Check for DTCs.
Click here
OK:
DTC B2415 is not output.
| OK | .gif) | USE SIMULATION METHOD TO CHECK |
| NG | | GO TO ELECTRONICALLY CONTROLLED BRAKE SYSTEM |
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Installation
INSTALLATION CAUTION / NOTICE / HINT NOTICE:
When the brake pedal is first depressed after replacing the brake pads or pushing back the disc brake piston, DTC C1214 may be output. As there is no malfunction, clear the DTC.
While the auxiliary battery is connected, even if the power switch is of
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