Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual: Slip Indicator Light Remains ON
DESCRIPTION
This procedure is for troubleshooting when the slip indicator light remains on but no DTCs are output.
The skid control ECU (brake actuator assembly) controls the slip indicator light in the combination meter assembly via CAN communication.
The slip indicator light blinks during VSC and/or TRAC operation.
If a malfunction is detected, the slip indicator light comes on to warn the driver.
CAUTION / NOTICE / HINT
NOTICE:
After replacing the skid control ECU (brake actuator assembly), perform "Calibration".
Click here .gif)
PROCEDURE
| 1. | CHECK VEHICLE CONTROL HISTORY |
(a) Connect the Techstream to the DLC3.
(b) Turn the engine switch on (IG).
(c) Enter the following menus: Chassis / Brake/EPB / Utility / Vehicle Control History (RoB).
(d) Using the Techstream, check for Vehicle Control History.
Click here
| Tester Display |
|---|
| Vehicle Control History (RoB) |
HINT:
If vehicle control history is stored (X2079, X208A, X20D7, X20D8, X204C or X2088), the slip indicator light illuminates.
| Result | Proceed to |
|---|---|
| No vehicle control history (X2079, X208A, X20D7, X20D8, X204C and X2088) | A |
| Vehicle control history exists (X2079, X208A, X20D7, X20D8, X204C or X2088) | B |
| B | .gif) | PERFORM TROUBLESHOOTING AND REPAIR REGARDING VEHICLE CONTROL HISTORY |
|
.gif)
| 2. | INSPECT COMBINATION METER ASSEMBLY |
(a) Enter the following menus: Body Electrical /Combination Meter / Active Test.
(b) Perform the Active Test of the combination meter assembly using the Techstream.
Body Electrical > Combination Meter > Active Test| Tester Display |
|---|
| Indicat. Lamp Slip |
(c) Check the combination meter assembly.
OK:
The slip indicator light turns on or off in accordance with the Techstream operation.
| OK | | REPLACE BRAKE ACTUATOR ASSEMBLY |
| NG | | INSPECT METER / GAUGE SYSTEM |
Brake Hold Standby Indicator Light Circuit
DESCRIPTION The brake hold standby indicator light turns on if brake hold control is possible when the following conditions required for operation standby are met and the brake hold switch (electric p ...
Slip Indicator Light does not Come ON
DESCRIPTION The skid control ECU (brake actuator assembly) controls the slip indicator light in the combination meter assembly via CAN communication. CAUTION / NOTICE / HINT NOTICE: After replacing th ...
Other materials:
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Automatic Transaxle System: Monitor Drive Pattern
MONITOR DRIVE PATTERN MONITOR DRIVE PATTERN FOR ECT CAUTION: Perform the following procedure on a level surface while strictly observing all traffic laws and speed limits. HINT: Performing this drive pattern is one method to simulate ECM (ECT) malfunction detection conditions. Some DTCs may not be d ...
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Can Communication System: Check Bus 5 Line for Short to GND
DESCRIPTION There may be a short circuit between one of the CAN bus lines and GND when there is no resistance between terminal 15 (CA5H) of the network gateway ECU and terminal 4 (CG) of the DLC3, or terminal 16 (CA5L) of the network gateway ECU and terminal 4 (CG) of the DLC3. Symptom Trouble ...
Lexus RX (RX 350L, RX450h) 2016-{YEAR} Owners Manual
- For your information
- Pictorial index
- For safety and security
- Instrument cluster
- Operation of each component
- Driving
- Lexus Display Audio system
- Interior features
- Maintenance and care
- When trouble arises
- Vehicle specifications
- For owners
Lexus RX (RX 350L, RX450h) 2016-{YEAR} Repair Manual
0.0106