Toyota Yaris: Active Torque Split Awd System / How To Proceed With Troubleshooting

Toyota Yaris XP210 (2020-2024) Reapir and Service Manual / Drivetrain / Gf1a (transfer / 4wd / Awd) / Active Torque Split Awd System / How To Proceed With Troubleshooting

CAUTION / NOTICE / HINT

HINT:

  • Use the following procedure listed to troubleshoot the Active Torque Split AWD System.
  • *: Use the GTS.

PROCEDURE

1.

VEHICLE BROUGHT TO WORKSHOP

NEXT

2.

INSPECT AUXILIARY BATTERY VOLTAGE

Standard voltage:

11 to 14 V

If the voltage is below 11 V, recharge or replace the auxiliary battery before proceeding to the next step.

NEXT

3.

CHECK COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM*

(a) Use the GTS to check if the CAN communication system is functioning normally.

Click here

Result

Proceed to

CAN DTC is not output

A

CAN DTC is output

B

B

GO TO CAN COMMUNICATION SYSTEM (HOW TO PROCEED WITH TROUBLESHOOTING)

A

4.

CHECK DTC AND FREEZE FRAME DATA*

(a) Check for DTCs.

Click here

Chassis > Four Wheel Drive > Trouble Codes

(b) Check for freeze frame data.

HINT:

Record or print DTCs and freeze frame data if necessary.

(c) Clear the DTCs and freeze frame data.

Click here

Chassis > Four Wheel Drive > Clear DTCs

(d) Recheck for DTCs.

Click here

Chassis > Four Wheel Drive > Trouble Codes

Result

Proceed to

DTC does not reoccur

A

DTC reoccur

B

B

GO TO STEP 8

A

5.

CHECK VEHICLE CONTROL HISTORY (ACTIVE TORQUE SPLIT AWD SYSTEM)*

(a) Use the GTS to check the vehicle control history.

Click here

Chassis > Four Wheel Drive > Utility

Tester Display

Vehicle Control History (RoB)

Result

Proceed to

Vehicle control history is not output

A

Vehicle control history is output

B

B

GO TO VEHICLE CONTROL HISTORY

A

6.

PROBLEM SYMPTOMS TABLE

(a) Refer to Problem Symptoms Table.

Click here

Result

Proceed to

Fault not listed in problem symptoms table

A

Fault listed in problem symptoms table

B

B

GO TO STEP 8

A

7.

OVERALL ANALYSIS AND TROUBLESHOOTING*

(a) Terminals of ECU.

Click here

(b) Data List / Active Test.

Click here

NEXT

8.

REPAIR OR REPLACE

NEXT

9.

CONFIRMATION TEST

NEXT

END

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