| Last Modified: 05-13-2024 | 6.11:8.1.0 | Doc ID: RM10000000260QW |
| Model Year Start: 2023 | Model: GR Corolla | Prod Date Range: [09/2022 - 11/2022] |
| Title: BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for Gasoline Model without Electric Parking Brake System TMC Made): HOW TO PROCEED WITH TROUBLESHOOTING; 2023 MY Corolla Corolla Hatchback GR Corolla [09/2022 - 11/2022] | ||
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HOW TO PROCEED WITH TROUBLESHOOTING |
CAUTION / NOTICE / HINT
HINT:
*: Use the GTS.
PROCEDURE
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1. |
VEHICLE BROUGHT TO WORKSHOP |
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2. |
CUSTOMER PROBLEM ANALYSIS |
(a) Interview the customer and confirm the problem.
Click here
![2019 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [06/2018 - ]; INTRODUCTION: HOW TO TROUBLESHOOT ECU CONTROLLED SYSTEMS: HOW TO PROCEED WITH TROUBLESHOOTING](/t3Portal/stylegraphics/info.gif)
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3. |
CHECK DTC, FREEZE FRAME DATA AND VEHICLE CONTROL HISTORY (RoB)* |
(a) Check and record DTCs and Freeze Frame Data.
for DTC Check / Clear: Click here
for Freeze Frame Data: Click here
Chassis > Brake/EPB > Trouble Codes
(b) Clear the DTCs and Freeze Frame Data.
for DTC Check / Clear: Click here
for Freeze Frame Data: Click here
Chassis > Brake/EPB > Clear DTCs
(c) Reconfirm the DTCs.
(1) Reconfirm the DTCs based on the recorded DTCs and Freeze Frame Data.
for DTC Check / Clear: Click here
for Freeze Frame Data: Click here
Chassis > Brake/EPB > Trouble Codes
HINT:
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When CAN communication system DTCs are output, repair the CAN communication system first.
Click here
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If DTCs related to momentary interruptions are output, perform troubleshooting for those DTCs first.
Click here
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If the GTS cannot communicate with the skid control ECU (brake actuator assembly), inspect the CAN communication system.
Click here
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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 (RoB).
Click here
Chassis > Brake/EPB > Utility
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Tester Display |
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Vehicle Control History (RoB) |
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Result |
Proceed to |
|---|---|
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DTCs are not output. (Problem symptom occurs.) |
A |
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DTCs are output. |
B |
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DTCs are not output. (Problem symptom does not occur.) |
C |
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DTCs are not output. (vehicle control history (RoB) occurs.) |
D |
| A |
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| B |
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| C |
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| D |
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PERFORM TROUBLESHOOTING AND REPAIR REGARDING VEHICLE CONTROL HISTORY (RoB)* NOTICE: After performing troubleshooting and repair regarding vehicle control history (RoB), clear the vehicle control history (RoB). |
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