Lexus ES: Brake Warning Light does not Come ON
DESCRIPTION
The skid control ECU (brake actuator assembly) controls the brake warning light / red (malfunction) in the combination meter assembly via CAN communication.
CAUTION / NOTICE / HINT
NOTICE:
After replacing the skid control ECU (brake actuator assembly), perform acceleration sensor zero point calibration and store system information memorization.
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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.
Click here
| Tester Display |
|---|
| Brake Warning |
(e) Check the combination meter assembly.
OK:
The brake warning light / red (malfunction) turns on or off in accordance with Techstream operation.
| OK |  | REPLACE BRAKE ACTUATOR ASSEMBLY |
| NG | | INSPECT METER / GAUGE SYSTEM |
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SEE MORE:
System Description
SYSTEM DESCRIPTION BRIEF DESCRIPTION (a) The Controller Area Network (CAN) is a serial data communication system for real time application. It is a vehicle multiplex communication system which has a high communication speed and the ability to detect malfunctions. (b) Using the CANH and CANL bus lin
Installation
INSTALLATION PROCEDURE 1. INSTALL TURN SIGNAL SWITCH (a) Engage the claw as shown in the illustration. Install in this Direction (b) Install the turn signal switch with the 2 screws. 2. INSTALL UPPER STEERING COLUMN COVER Click here 3. INSTALL LOWER STEERING COLUMN COVER SUB-ASSEMBLY Cli
