LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2019 >> RX 350 Base, AWD >> Repair and Diagnosis >> Brakes >> Traction Control >> Vehicle Stability Control System - Diagnostics - Introduction >> Vehicle Stability Control System >> Problem Symptoms Table [08/2019 - ] >> Problem Symptoms Table [08/2019 - ]
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Problem Symptoms Table [08/2019 - ]

If there are no DTCs output and the problem still occurs, check the suspected areas for each problem symptom in the order given in the following table and proceed to the relevant troubleshooting page.

NOTE:

When replacing the skid control ECU (brake actuator assembly), sensors, etc., turn the engine switch off.

HINT: 

VEHICLE STABILITY CONTROL SYSTEM

Symptom Suspected Area Link
ABS warning light abnormal (Remains on) Refer to the procedure for "ABS Warning Light Remains ON" Refer to ABS Warning Light Remains ON [08/2019 - ]
ABS warning light abnormal (Does not come on) Refer to the procedure for "ABS Warning Light does not Come ON" Refer to ABS Warning Light does not Come ON [08/2019 - ]
Brake system warning light abnormal (Remains on) Refer to the procedure for "Brake Warning Light Remains ON" Refer to Brake Warning Light Remains ON [08/2019 - ]
Brake system warning light abnormal (Does not come on) Refer to the procedure for "Brake Warning Light does not Come ON" Refer to Brake Warning Light does not Come ON [08/2019 - ]
Brake hold standby indicator light abnormal Refer to the procedure for "Brake Hold Standby Indicator Light Circuit" Refer to Brake Hold Standby Indicator Light Circuit [08/2019 - ]
Brake hold operated indicator light abnormal Refer to the procedure for "Brake Hold Operated Indicator Light Circuit" Refer to Brake Hold Operated Indicator Light Circuit [08/2019 - ]
Slip indicator light abnormal (Remains on) Refer to the procedure for "Slip Indicator Light Remains ON" Refer to Slip Indicator Light Remains ON [08/2019 - ]
Slip indicator light abnormal (Does not come on) Refer to the procedure for "Slip Indicator Light does not Come ON" Refer to Slip Indicator Light does not Come ON [08/2019 - ]
TRAC does not operate Refer to the procedure for "TRAC does not Operate" Refer to TRAC does not Operate [08/2019 - ]
Excessive brake pedal travel (No fluid leaks and no air in system) Refer to the procedure for "Excessive Brake Pedal Travel (No Fluid Leaks and No Air in System)" Refer to Excessive Brake Pedal Travel (No Fluid Leaks and No Air in System) [08/2019 - ]
ABS operates before necessary when braking Refer to the procedure for "ABS Operates Before Necessary When Braking" Refer to ABS Operates Before Necessary When Braking [08/2019 - ]
VSC does not operate or VSC does not operate correctly Refer to the procedure for "VSC does not Operate or VSC does not Operate Correctly" Refer to VSC does not Operate or VSC does not Operate Correctly [08/2019 - ]
Brake actuator operation sound is loud during initial check Refer to the procedure for "Brake Actuator Operation Sound is Loud during Initial Check" Refer to Brake Actuator Operation Sound is Loud during Initial Check [08/2019 - ]
VSC OFF switch (Combination switch assembly) abnormal Refer to the procedure for "VSC OFF Switch Circuit" Refer to VSC OFF Switch Circuit [08/2019 - ]