Toyota Yaris: Vehicle Stability Control System / How To Proceed With Troubleshooting

Toyota Yaris XP210 (2020-2024) Reapir and Service Manual / Brake / Brake Control / Dynamic Control Systems / Vehicle Stability Control System / How To Proceed With Troubleshooting

CAUTION / NOTICE / HINT

HINT:

*: Use the GTS.

PROCEDURE

1.

VEHICLE BROUGHT TO WORKSHOP

NEXT

2.

CUSTOMER PROBLEM ANALYSIS

(a) Interview the customer and confirm the problem.

Click here

NEXT

3.

CHECK DTC AND FREEZE FRAME DATA*

(a) Check and record DTCs and Freeze Frame Data.

(1) Check and record DTCs.

Chassis > Brake > Trouble Codes

(2) Check and record Freeze Frame Data.

(b) Clear the DTCs and Freeze Frame Data.

Chassis > Brake > Clear DTCs

(c) Reconfirm the DTCs.

(1) Reconfirm the DTCs based on the recorded DTCs and Freeze Frame Data.

Chassis > Brake > Trouble Codes

HINT:

  • When CAN communication system DTCs are output, repair the CAN communication system first.

    Click here

  • If DTCs related to momentary interruptions are output, perform troubleshooting for those DTCs first.

    Click here

  • If the GTS cannot communicate with the skid control ECU (brake actuator assembly), inspect the CAN communication system.

    Click here

  • If there is no response from the skid control ECU (brake actuator assembly), inspect the supply power circuit.

    Click here

(d) Check the Vehicle Control History.

Result

Proceed to

DTCs are not output. (Problem symptom occurs.)

A

DTCs are output.

B

DTCs are not output. (Problem symptom does not occur.)

C

DTCs are not output. (Vehicle control history occurs.)

D

A

PROBLEM SYMPTOMS TABLE

B

REPAIR CIRCUITS INDICATED BY OUTPUT DTCS*

C

USE SIMULATION METHOD TO CHECK

D

PERFORM TROUBLESHOOTING AND REPAIR REGARDING VEHICLE CONTROL HISTORY*

    System Diagram

    S..

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    Categories

    Turning the Engine Off

    Stop the vehicle completely. Manual transaxle: Shift into neutral and set the parking brake.

    Automatic transaxle: Shift the selector lever to the P position and set the parking brake.

    Press the push button start to turn off the engine. The ignition position is off.

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