Last Modified: 01-30-2024 6.11:8.1.0 Doc ID: RM100000001HG9U
Model Year Start: 2019 Model: RAV4 Prod Date Range: [02/2019 - 12/2021]
Title: BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM (w/o Vacuum Brake Booster): Slip Indicator Light Remains ON; 2019 - 2021 MY RAV4 RAV4 HV [02/2019 - 12/2021]

Slip Indicator Light Remains ON

DESCRIPTION

The skid control ECU (brake booster with master cylinder assembly) is connected to the combination meter assembly via CAN communication.

If the skid control ECU (brake booster with master cylinder assembly) stores a DTC, the slip indicator light comes on in the combination meter assembly.

The slip indicator light blinks during ABS, VSC and/or TRC (TRAC) operation.

When the system is malfunctioning, the slip indicator light comes on to warn the driver.

Click here 2019 - 2021 MY RAV4 RAV4 HV [02/2019 - 12/2021]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM (w/o Vacuum Brake Booster): DIAGNOSIS SYSTEM

CAUTION / NOTICE / HINT

NOTICE:

When replacing the skid control ECU (brake booster with master cylinder assembly), perform initialization and calibration of the linear solenoid valve.

Click here 2019 - 2021 MY RAV4 RAV4 HV [02/2019 - 12/2021]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM (w/o Vacuum Brake Booster): UTILITY

PROCEDURE

1.

READ VALUE USING TECHSTREAM (SLIP INDICATOR LIGHT)

(a) Connect the Techstream to the DLC3.

(b) Turn the ignition switch to ON.

(c) Select the Data List on the Techstream.

Click here 2019 - 2021 MY RAV4 RAV4 HV [02/2019 - 12/2021]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM (w/o Vacuum Brake Booster): DATA LIST / ACTIVE TEST

Chassis > ABS/VSC/TRAC > Data List

Tester Display

Measurement Item

Range

Normal Condition

Diagnostic Note

Slip Indicator Light

Slip indicator light

ON or OFF

ON: Indicator light on

OFF: Indicator light off

-

Chassis > ABS/VSC/TRAC > Data List

Tester Display

Slip Indicator Light

(d) Check the Techstream display condition of the slip indicator light.

Result

Proceed to

Display of the Data List remains OFF.

A

Display of the Data List remains ON.

B
A

INSPECT METER / GAUGE SYSTEM

B

REPLACE BRAKE BOOSTER WITH MASTER CYLINDER ASSEMBLY 2019 MY RAV4 RAV4 HV [02/2019 - 10/2019]; BRAKE SYSTEM (OTHER): BRAKE BOOSTER (w/o Vacuum Brake Booster): REMOVAL 2020 MY RAV4 RAV4 HV [10/2019 - 08/2020]; BRAKE SYSTEM (OTHER): BRAKE BOOSTER (w/o Vacuum Brake Booster): REMOVAL 2021 MY RAV4 RAV4 HV [08/2020 - 12/2021]; BRAKE SYSTEM (OTHER): BRAKE BOOSTER (w/o Vacuum Brake Booster): REMOVAL