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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Brake Warning Light Remains ON
DESCRIPTION This procedure is for troubleshooting when the brake warning light / red (malfunction) remains on but no DTCs are output. The skid control ECU (brake actuator assembly) controls the brake
Left Front Wheel ABS Hold Solenoid Control Circuit Short to Battery (C12A512,...,C12B049)
DESCRIPTION The ABS solenoid relay and solenoid valves are built into the brake actuator assembly. The front solenoid valve LH controls the brake fluid pressure of the front wheel cylinder LH of the v
Right Front Wheel ABS Hold Solenoid Control Circuit Short to Battery (C12BB12,...,C12C649)
DESCRIPTION The ABS solenoid relay and solenoid valves are built into the brake actuator assembly. The front solenoid valve RH controls the brake fluid pressure of the front wheel cylinder RH of the v
SEE MORE:
Radio Receiver Assembly Communication Stop Mode
DESCRIPTION Detection Item Symptom Trouble Area Radio Receiver Assembly Communication Stop Mode Any of the following conditions are met:
Communication stop for "Display and Navigation (AVN)" is indicated on the "Communication Bus Check" screen of the Techstream.
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Commu
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 COMBINATION LIGHT ASSEMBLY (for TMMK Made) 2. INSTALL REAR BUMPER UPPER RETAINER (for TMMK Made) Click here 3. INSTALL REAR B
