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

Toyota Yaris XP210 (2020-2025) 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..

    Check For Intermittent Problems

    CHECK FOR INTERMITTENT PROBLEMS CHECK FOR INTERMITTENT PROBLEMS HINT: A momentary interruption (open circuit) in the connectors and/or wire harness between the sensors and ECUs can be detected using the Data List function of the GTS...

    Other information:

    Toyota Yaris XP210 (2020-2025) Reapir and Service Manual: Brake System Control Module "A" Internal Electronic Failure (C059749,...,C13C91C)


    DESCRIPTION The solenoid relay and solenoid valves are built into the brake actuator assembly. The solenoid valves control the brake fluid pressure at each wheel cylinder. When this DTC is stored, the fail-safe function operates and the solenoid relay is turned off to prevent the solenoid valves from operating...

    Toyota Yaris XP210 (2020-2025) Reapir and Service Manual: Removal


    REMOVAL PROCEDURE 1. RECOVER REFRIGERANT FROM REFRIGERATION SYSTEM Click here 2. REMOVE HEADLIGHT ASSEMBLY LH Click here 3. REMOVE HEADLIGHT ASSEMBLY RH HINT: Use the same procedure as for the LH side. 4. REMOVE NO. 1 AIR CLEANER INLET Click here 5...

    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.

    read more

     
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