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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Power switch on (IG)
Malfunction in headlight
Headlight Leveling Motor LH Communication Malfunction (B2424,B2410,B2411,B2425)
DESCRIPTION Each headlight ECU sub-assembly and headlight swivel and leveling motor communicate via LIN communication. The headlight swivel and leveling motor operates according to power supplied and
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Front Turn Signal Light Bulb(for Bulb Type Turn Signal Light)
ReplacementREPLACEMENT CAUTION / NOTICE / HINT HINT:
Use the same procedure for the RH and LH sides.
The procedure listed below is for the LH side.
PROCEDURE 1. REMOVE FRONT RADIATOR SIDE AIR GUIDE PLATE LH (a) Remove the clip. (b) Detach the 2 guides and remove the front rad
Fail-safe Chart
FAIL-SAFE CHART FAIL-SAFE FUNCTION OF CONTROL SYSTEM (a) When a malfunction is detected in the brake control system, the skid control ECU (brake booster with master cylinder assembly) turns the ABS warning, brake warning / red (malfunction), brake warning / yellow (minor malfunction) and slip indica
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