Toyota Yaris: Vehicle Stability Control System / Slip Indicator Light Remains ON

Toyota Yaris XP210 (2020-2024) Reapir and Service Manual / Brake / Brake Control / Dynamic Control Systems / Vehicle Stability Control System / 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 TRC 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

PROCEDURE

1.	CHECK GTS OUTPUT (CAN COMMUNICATION SYSTEM)

(a) Operate the GTS, and check for DTCs related to the CAN communication system.

Click here

Result	Proceed to
Any CAN communication system relating DTCs are output	A
None of the above conditions are met	B

INSPECT CAN COMMUNICATION SYSTEM

2.	CHECK VEHICLE CONTROL HISTORY

(a) Using the GTS, check for Vehicle Control History.

Chassis > Brake > Utility

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
Vehicle control histories are not stored	A
Vehicle control histories are stored	B

PERFORM TROUBLESHOOTING AND REPAIR REGARDING VEHICLE CONTROL HISTORY

3.	INSPECT COMBINATION METER ASSEMBLY

(a) Perform the Active Test of the combination meter assembly using the GTS.

Body Electrical > Combination Meter > Active Test

Tester Display
Slip Warning

(b) Check the combination meter assembly.

OK:

The slip indicator light turns on or off in accordance with the GTS operation.

REPLACE BRAKE ACTUATOR ASSEMBLY

INSPECT METER / GAUGE SYSTEM

Brake Warning Light does not Come ON

DESCRIPTION The skid control ECU (brake actuator assembly) controls the brake system warning light in the combination meter assembly via CAN communication...

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 the skid control ECU (brake actuator assembly), perform "Calibration"...

Other information:

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