Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual: Brake Warning Light does not Come ON
DESCRIPTION
The skid control ECU (brake actuator assembly) controls the brake warning light in the combination meter assembly via CAN communication.
CAUTION / NOTICE / HINT
NOTICE:
After replacing the skid control ECU (brake actuator assembly), perform "Calibration".
Click here .gif)
PROCEDURE
| 1. | INSPECT COMBINATION METER ASSEMBLY |
(a) Connect the Techstream to the DLC3.
(b) Turn the engine switch on (IG).
(c) Enter the following menus: Body Electrical /Combination Meter / Active Test.
(d) Perform the Active Test of the combination meter assembly using the Techstream.
Body Electrical > Combination Meter > Active Test| Tester Display |
|---|
| Indicat. Lamp Brake |
(e) Check the combination meter assembly.
OK:
The brake warning light turns on or off in accordance with the Techstream operation.
| OK | .gif) | REPLACE BRAKE ACTUATOR ASSEMBLY |
| NG | | INSPECT METER / GAUGE SYSTEM |
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DESCRIPTION This procedure is for troubleshooting when the brake warning light remains on but no DTCs are output. The skid control ECU (brake actuator assembly) controls the brake warning light in the ...
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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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