Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual: Stop Light Relay Actuator Stuck (C142571)
DESCRIPTION
The skid control ECU (brake actuator assembly) sends a stop light operation request signal to the stop light relay (semiconductor PWR integration ECU). If the skid control ECU (brake actuator assembly) detects a malfunction in the stop light relay (semiconductor PWR integration ECU) circuit, the forward recognition camera stores this DTC.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area |
|---|---|---|---|
| C142571 | Stop Light Relay Actuator Stuck | 3 seconds or more after the engine switch is turned on (IG), the forward recognition camera receives a stop light relay circuit malfunction signal from the skid control ECU (brake actuator assembly) for approximately 1 second or more. | Vehicle stability control system |
PROCEDURE
| 1. | GO TO VEHICLE STABILITY CONTROL SYSTEM |
HINT:
If DTC C142571 is output by the pre-collision system, perform troubleshooting for the vehicle stability control system.
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Vehicle Control History
VEHICLE CONTROL HISTORY NOTICE: Make sure to record any output Vehicle Control History codes before clearing them and checking the Vehicle Control History again. CHECK VEHICLE CONTROL HISTORY (PRE-COL ...
Lost Communication with ECM/PCM "A" Missing Message (U010087,U012587,U012687,U012987)
DESCRIPTION When a malfunction is detected between various ECUs and sensors, these DTCs are stored. DTC No. Detection Item DTC Detection Condition Trouble Area U010087 Lost Communicatio ...
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Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Rear Door Speaker: Installation
INSTALLATION CAUTION / NOTICE / HINT HINT:
Use the same procedure for the RH side and LH side.
The following procedure is for the LH side.
PROCEDURE 1. INSTALL REAR SPEAKER ASSEMBLY NOTICE: Do not touch the speaker cone. (a) Connect the connector. (b) Engage the 2 guides to temporarily insta ...
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Airbag System: Short in Passenger Side Front Seat Cushion Squib Circuit (B1875-B1878)
DESCRIPTION The passenger side front seat cushion squib circuit consists of the airbag sensor assembly and front seat cushion airbag assembly RH. The airbag sensor assembly uses this circuit to deploy the airbag when deployment conditions are met. These DTCs are stored when a malfunction is detected ...
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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