Last Modified: 07-31-2024 6.11:8.1.0 Doc ID: RM10000000259X0
Model Year Start: 2023 Model: GR Corolla Prod Date Range: [09/2022 - 11/2022]
Title: SUPPLEMENTAL RESTRAINT SYSTEMS: AIRBAG SYSTEM (for TMC Made): HOW TO PROCEED WITH TROUBLESHOOTING; 2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 - 11/2022]

HOW TO PROCEED WITH TROUBLESHOOTING

CAUTION / NOTICE / HINT

HINT:

  • Use these procedures to troubleshoot the airbag system.
  • *: Use the GTS.

PROCEDURE

1.

VEHICLE BROUGHT TO WORKSHOP
NEXT

2.

CUSTOMER PROBLEM ANALYSIS

(a) Confirm problem symptoms.

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

NEXT

3.

INSPECT AUXILIARY BATTERY VOLTAGE

(a) Measure the auxiliary battery voltage with the ignition switch off.

Standard Voltage:

11 to 14 V

HINT:

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

(b) Check the fuses and relays.

(c) Check the connector connections and terminals to make sure that there are no abnormalities such as loose connections, deformation, etc.

NEXT

4.

CHECK CAN COMMUNICATION SYSTEM*

(a) Using the GTS, check if the CAN communication system is functioning normally.

for HV Model: Click here 2023 MY Corolla Corolla HV [09/2022 - 11/2022]; NETWORKING: CAN COMMUNICATION SYSTEM (for HV Model): DIAGNOSIS SYSTEM

for Gasoline Model: Click here 2023 MY Corolla Corolla Hatchback GR Corolla [09/2022 - 11/2022]; NETWORKING: CAN COMMUNICATION SYSTEM (for Gasoline Model TMC Made): DIAGNOSIS SYSTEM

HINT:

The airbag sensor assembly is connected to the CAN communication system. Therefore, before starting troubleshooting, make sure to check that there are no malfunctions in the CAN communication system.

Result

Proceed to

DTC is not output

A

DTC is output

B
B

GO TO CAN COMMUNICATION SYSTEM

for HV Model: Click here 2023 - 2025 MY Corolla Corolla HV [09/2022 -        ]; NETWORKING: CAN COMMUNICATION SYSTEM (for HV Model): HOW TO PROCEED WITH TROUBLESHOOTING

for Gasoline Model: Click here 2023 MY Corolla Corolla Hatchback GR Corolla [09/2022 - 11/2022]; NETWORKING: CAN COMMUNICATION SYSTEM (for Gasoline Model TMC Made): HOW TO PROCEED WITH TROUBLESHOOTING

A

5.

CHECK DTC*

(a) Check for DTCs and freeze frame data.

for Freeze Frame Data: Click here 2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 - 11/2022]; SUPPLEMENTAL RESTRAINT SYSTEMS: AIRBAG SYSTEM (for TMC Made): FREEZE FRAME DATA

Body Electrical > SRS Airbag > Trouble Codes

Result

Proceed to

Airbag system DTCs are output

A

Occupant classification system DTCs are output

B

No DTCs are output

C
A

GO TO DIAGNOSTIC TROUBLE CODE CHART

B

GO TO DIAGNOSTIC TROUBLE CODE CHART

C

6.

CHECK VEHICLE CONTROL HISTORY (RoB)*

(a) Check for Vehicle Control History (RoB).

Click here 2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 - 11/2022]; SUPPLEMENTAL RESTRAINT SYSTEMS: AIRBAG SYSTEM (for TMC Made): VEHICLE CONTROL HISTORY (RoB)

Body Electrical > SRS Airbag > Utility

Tester Display

Vehicle Control History (RoB)

Result

Proceed to

Vehicle Control History (RoB) is not output

A

Vehicle Control History (RoB) is output

B
A

GO TO PROBLEM SYMPTOMS TABLE

B

GO TO VEHICLE CONTROL HISTORY (RoB)