Last Modified: 08-21-2023 6.11:8.1.0 Doc ID: RM100000001ANK8
Model Year Start: 2019 Model: Avalon HV Prod Date Range: [04/2018 -           ]
Title: BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for HV Model): PROBLEM SYMPTOMS TABLE; 2019 - 2022 MY Avalon HV [04/2018 -        ]

PROBLEM SYMPTOMS TABLE

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

Electronically Controlled Brake System

Symptom

Suspected Area

Link

ABS warning light abnormal (Remains on)

Refer to the procedure for "ABS Warning Light Remains ON"

2019 - 2022 MY Avalon HV [04/2018 -        ]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for HV Model): ABS Warning Light Remains ON

ABS warning light abnormal (Does not come on)

Refer to the procedure for "ABS Warning Light does not Come ON"

2019 - 2022 MY Avalon HV [04/2018 -        ]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for HV Model): ABS Warning Light does not Come ON

Brake warning light / red (malfunction) abnormal (Remains on)

Refer to the procedure for "Brake Warning Light Remains ON"

2019 - 2022 MY Avalon HV [04/2018 -        ]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for HV Model): Brake Warning Light Remains ON

Brake warning light / red (malfunction) abnormal (Does not come on)

Refer to the procedure for "Brake Warning Light does not Come ON"

2019 - 2022 MY Avalon HV [04/2018 -        ]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for HV Model): Brake Warning Light does not Come ON

Brake warning light / yellow (minor malfunction) abnormal (Remains on)

Refer to the procedure for "Brake Control Warning Light Remains ON"

2019 - 2022 MY Avalon HV [04/2018 -        ]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for HV Model): Brake Control Warning Light Remains ON

Brake warning light / yellow (minor malfunction) abnormal (Does not come on)

Refer to the procedure for "Brake Control Warning Light does not Come ON"

2019 - 2022 MY Avalon HV [04/2018 -        ]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for HV Model): Brake Control Warning Light does not Come ON

Brake hold standby indicator light abnormal

Refer to the procedure for "Brake Hold Standby Indicator Light Circuit"

2019 - 2022 MY Avalon HV [04/2018 -        ]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for HV Model): Brake Hold Standby Indicator Light Circuit

Brake hold operated indicator light abnormal

Refer to the procedure for "Brake Hold Operated Indicator Light Circuit"

2019 - 2022 MY Avalon HV [04/2018 -        ]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for HV Model): Brake Hold Operated Indicator Light Circuit

Slip indicator light abnormal (Remains on)

Refer to the procedure for "Slip Indicator Light Remains ON"

2019 - 2022 MY Avalon HV [04/2018 -        ]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for HV Model): Slip Indicator Light Remains ON

Slip indicator light abnormal (Does not come on)

Refer to the procedure for "Slip Indicator Light does not Come ON"

2019 - 2022 MY Avalon HV [04/2018 -        ]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for HV Model): Slip Indicator Light does not Come ON

TRAC does not operate

Refer to the procedure for "TRAC does not Operate"

2019 - 2022 MY Avalon HV [04/2018 -        ]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for HV Model): TRAC does not Operate

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)"

2019 - 2022 MY Avalon HV [04/2018 -        ]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for HV Model): Excessive Brake Pedal Travel (No Fluid Leaks and No Air in System)

ABS does not operate

Refer to the procedure for "ABS does not Operate"

2019 - 2022 MY Avalon HV [04/2018 -        ]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for HV Model): ABS does not Operate

ABS operates before necessary when braking

Refer to the procedure for "ABS Operates Before Necessary When Braking"

2019 - 2022 MY Avalon HV [04/2018 -        ]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for HV Model): ABS Operates Before Necessary When Braking

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"

2019 - 2022 MY Avalon HV [04/2018 -        ]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for HV Model): VSC does not Operate or VSC does not Operate Correctly

Abnormal brake pedal response on first depression

Refer to the procedure for "Abnormal Brake Pedal Response on First Depression"

2019 - 2022 MY Avalon HV [04/2018 -        ]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for HV Model): Abnormal Brake Pedal Response on First Depression

Brake actuator operation sound is loud during initial check

Refer to the procedure for "Brake Actuator Operation Sound is Loud during Initial Check"

2019 - 2022 MY Avalon HV [04/2018 -        ]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for HV Model): Brake Actuator Operation Sound is Loud during Initial Check

VSC OFF switch abnormal

Refer to the procedure for "VSC OFF Switch Circuit"

2019 - 2022 MY Avalon HV [04/2018 -        ]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for HV Model): VSC OFF Switch Circuit

Meter buzzer abnormal

Refer to Meter / Gauge system

2019 - 2022 MY Avalon HV [04/2018 -        ]; METER / GAUGE / DISPLAY: METER / GAUGE SYSTEM (for HV Model): HOW TO PROCEED WITH TROUBLESHOOTING

Abnormal Noise is Heard from the Engine Compartment when Depressing the Brake Pedal

Refer to the procedure for "Abnormal Noise is Heard from the Engine Compartment when Depressing the Brake Pedal"

2019 - 2022 MY Avalon HV [04/2018 -        ]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for HV Model): Abnormal Noise is Heard from the Engine Compartment when Depressing the Brake Pedal