Lexus NX: Stop Light Relay Actuator Stuck (C142571)
DESCRIPTION
The stop light switch assembly and skid control ECU (brake booster with master cylinder assembly) outputs stop light signals. When the skid control ECU (brake booster with master cylinder assembly) detects a malfunction relating to the stop light circuit, the forward recognition camera is notified via CAN communication, and C142571 is output.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area |
|---|---|---|---|
| C142571 | Stop Light Relay Actuator Stuck | Once 3 seconds elapse after turning the power switch on (IG), the system receives a stop light circuit malfunction signal from the skid control ECU (brake booster with master cylinder assembly) for approximately 1 second or more. | Electronically controlled brake system |
PROCEDURE
| 1. | CHECK ELECTRONICALLY CONTROLLED BRAKE SYSTEM |
(a) Check electronically controlled brake system.
Click here .gif)
HINT:
- When C142571 is detected by the pre-collision system, C1380 may also be detected in the electronically controlled brake system. Therefore, check the electronically controlled brake system first when C142571 is detected.
| NEXT | .gif) | END |
READ NEXT:
Lost Communication With Multi-axis Acceleration Sensor Module Missing Message (U012587,U012687,U012987,U029387)
DESCRIPTION DTC No. Detection Item DTC Detection Condition Trouble Area U012587 Lost Communication With Multi-axis Acceleration Sensor Module Missing Message While the vehicle is bein
Lost Communication with Cruise Control Front Distance Range Sensor Missing Message (U023587)
DESCRIPTION The forward recognition camera is connected to the millimeter wave radar sensor assembly via the CAN communication line. When the signal from the millimeter wave radar sensor assembly is i
Lost Communication with Image Processing Module "A" (U023A87)
DESCRIPTION The forward recognition camera is connected to the skid control ECU (brake booster with master cylinder assembly) via the CAN communication line. When the skid control ECU (brake booster w
SEE MORE:
Operation Check
OPERATION CHECK CHECK OUTER MIRROR SWITCH FUNCTION (a) Turn the power switch on (ACC). (b) With the mirror select switch set to L, check that the mirror surface moves up, down, left and right normally. (c) With the mirror select switch set to R, check that the mirror surface moves up, down, left and
Rear Door RH Entry Lock Function does not Operate
DESCRIPTION If the entry lock function does not operate for the rear door RH only, but the entry unlock function operates, the request code is being transmitted properly from the for rear door RH. In this case, there may be a problem related to the lock sensor (connection between the certification E
