Last Modified: 05-13-2024 6.11:8.1.0 Doc ID: RM10000000289W5
Model Year Start: 2023 Model: GR Corolla Prod Date Range: [11/2022 -           ]
Title: SUPPLEMENTAL RESTRAINT SYSTEMS: OCCUPANT CLASSIFICATION SYSTEM (for TMMMS Made): VEHICLE CONTROL HISTORY (RoB); 2023 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [11/2022 -        ]

VEHICLE CONTROL HISTORY (RoB)

NOTICE:

When checking the vehicle control history, make sure to record the output histories. Then, remove the histories and recheck the output histories again.

CHECK VEHICLE CONTROL HISTORY

(a) According to the display on the GTS, check the Vehicle Control History (RoB).

Body Electrical > SRS Airbag > Utility

Tester Display

Vehicle Control History (RoB)

Vehicle Control History (RoB)

Warning Light

Code

Tester Display

Measurement Item

Diagnostic Note

SRS warning light illuminated

X204A

Acceleration Sensor Malfunction

Recorded when airbag sensor assembly received a malfunction signal of accelerator sensor output from skid control ECU.

Refer to How to Proceed with Troubleshooting in Electronically Controlled Brake System.

2023 - 2025 MY Corolla Corolla Hatchback GR Corolla [11/2022 -        ]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for Gasoline Model with Electric Parking Brake System): HOW TO PROCEED WITH TROUBLESHOOTING

SRS warning light illuminated

X20AF

Guess Vehicle Speed Malfunction

Recorded when an estimated vehicle speed flag malfunction signal (invalid value) is received from the skid control ECU.

Refer to How to Proceed with Troubleshooting in Electronically Controlled Brake System.

2023 - 2025 MY Corolla Corolla Hatchback GR Corolla [11/2022 -        ]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for Gasoline Model with Electric Parking Brake System): HOW TO PROCEED WITH TROUBLESHOOTING

SRS warning light illuminated

X20D0

Zero Point Calibration of Occupant Detection Load Sensor Undone

Recorded when occupant classification zero point calibration is not performed or could not be completed normally.

2023 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [11/2022 -        ]; SUPPLEMENTAL RESTRAINT SYSTEMS: OCCUPANT CLASSIFICATION SYSTEM (for TMMMS Made): INITIALIZATION

SRS warning light illuminated

X210B

SRS Airbag ECU IG Voltage Drop

Recorded when the IGR terminal input voltage is continuously less than 8 V for 60 seconds.

2023 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [11/2022 -        ]; SUPPLEMENTAL RESTRAINT SYSTEMS: OCCUPANT CLASSIFICATION SYSTEM (for TMMMS Made): TERMINALS OF ECU

CLEAR VEHICLE CONTROL HISTORY

(a) According to the display on the GTS, clear the Vehicle Control History (RoB).

Body Electrical > SRS Airbag > Utility

Tester Display

Vehicle Control History (RoB)