Last Modified: 05-13-2024 6.11:8.1.0 Doc ID: RM1000000028LV5
Model Year Start: 2023 Model: GR Corolla Prod Date Range: [11/2022 -           ]
Title: SEAT BELT: SEAT BELT WARNING SYSTEM: ON-VEHICLE INSPECTION; 2023 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [11/2022 -        ]

ON-VEHICLE INSPECTION

PROCEDURE

1. INSPECT DRIVER SEAT BELT WARNING LIGHT

HINT:

The seat belt warning light on the combination meter assembly is used for both the driver seat and front passenger seat.

(a) Turn the ignition switch off.

(b) Turn the ignition switch to ON.

(c) When the driver seat belt is not fastened, check that the seat belt warning light on the combination meter assembly blinks for 6 seconds.

Check that the seat belt warning light on the combination meter assembly changes from blinking to turns off.

(d) Lift up the vehicle.

Click here 2023 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 -        ]; INTRODUCTION: REPAIR INSTRUCTION: VEHICLE LIFT AND SUPPORT LOCATIONS

(e) Turn the ignition switch to ON (READY). (for HV Model)

(f) Start the engine. (for Gasoline Model)

(g) Check the status of the seat belt warning light (in the combination meter assembly) under the conditions below.

(1) Check that the seat belt warning light (in the combination meter assembly) blinks when the driver seat belt is unfastened, the shift position is not in P* and the parking brake is released.

  • *: for HV Model, CVT

(2) Check that the seat belt warning light (in the combination meter assembly) blinks when the vehicle is driven at approximately 20 km/h (12 mph) or higher with the driver seat belt unfastened.

Check that after 106 seconds, the seat belt warning light (in the combination meter assembly) changes from blinking to on.

(3) Check that the seat belt warning light (in the combination meter assembly) changes to on when the seat belt warning light (in the combination meter assembly) is blinking, the vehicle speed is1.75 km/h (1 mph) or less and the shift position is changed to P*.

  • *: for HV Model, CVT

(4) Check that the seat belt warning light (in the combination meter assembly) changes to on when the seat belt warning light (in the combination meter assembly) is blinking, the vehicle speed is1.75 km/h (1 mph) or less and the parking brake is not released.

(5) Check that the seat belt warning light (in the combination meter assembly) turns off when the driver seat belt is fastened with the seat belt warning light (in the combination meter assembly) on or blinking.

2. INSPECT FRONT PASSENGER SEAT BELT WARNING LIGHT

HINT:

The seat belt warning light (in the combination meter assembly) is for both the driver seat and the passenger seat.

(a) Turn the ignition switch to ON.

(b) Check that the seat belt warning light (in the combination meter assembly) turns on with a passenger seated in the passenger seat, the passenger seat belt unfastened and under any of the following conditions.

(1) Change the shift position to P. (for HV Model, CVT)

(2) The parking brake is not released.

(c) Fasten the driver seat belt.

(d) Lift up the vehicle.

Click here 2023 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 -        ]; INTRODUCTION: REPAIR INSTRUCTION: VEHICLE LIFT AND SUPPORT LOCATIONS

(e) Turn the ignition switch to ON (READY). (for HV Model)

(f) Start the engine. (for Gasoline Model)

(g) Place a load of 20 kg (44.1 lb) on the passenger seat.

NOTICE:

When placing the load on the passenger seat, do not let it touch the seatback.

(h) Check the status of the seat belt warning light (in the combination meter assembly) under the conditions below.

(1) Check that the seat belt warning light (in the combination meter assembly) blinks when the passenger seat belt is unfastened, the shift position is not in P* and the parking brake is released.

  • *: for HV Model, CVT

(2) Check that the seat belt warning light (in the combination meter assembly) blinks when the vehicle is driven at approximately 20 km/h (12 mph) or higher with the passenger seat belt unfastened.

Check Check that after 106 seconds, the seat belt warning light (in the combination meter assembly) changes from blinking to on.

(3) Check that the seat belt warning light (in the combination meter assembly) changes to on when the seat belt warning light (in the combination meter assembly) is blinking, the vehicle speed is1.75 km/h (1 mph) or less and the shift position is changed to P*.

  • *: for HV Model, CVT

(4) Check that the seat belt warning light (in the combination meter assembly) changes to on when the seat belt warning light (in the combination meter assembly) is blinking, the vehicle speed is1.75 km/h (1 mph) or less and the parking brake is not released.

(5) Check that the seat belt warning light (in the combination meter assembly) turns off when the passenger seat belt is fastened with the seat belt warning light (in the combination meter assembly) on or blinking.

3. INSPECT REAR SEAT BELT WARNING LIGHT (w/ Rear Seat)

(a) Turn the ignition switch off.

*1

Rear Seat Belt Warning Light (Combination Meter Assembly)

*A

Type A

*B

Type B

*a

LH

*b

Center

*c

RH

(b) Unfasten the rear seat belt.

(c) Turn the ignition switch to ON.

(d) Check that the rear seat belt warning light (in the combination meter assembly) turns on.

(e) Check that the rear seat belt warning light turns on for approximately 66 seconds and then turns off.

(f) Fasten the rear seat belt.

(g) With the rear seat belt warning light off, check that the rear seat belt warning light in the combination meter assembly turns on again when the rear seat belt is unfastened.

4. INSPECT DRIVER SEAT BELT WARNING BUZZER

HINT:

Using the GTS, check that the customization setting for the seat belt warning buzzer (in the combination meter assembly) is on.

(a) Turn the ignition switch off.

(b) Turn the ignition switch to ON.

(c) After turning the ignition switch to ON, wait for approximately 1.8 seconds with the driver seat belt not fastened check that the seat belt warning buzzer in the combination meter assembly sounds at an interval of 1.2 seconds for 6 seconds.

(d) Lift up the vehicle.

Click here 2023 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 -        ]; INTRODUCTION: REPAIR INSTRUCTION: VEHICLE LIFT AND SUPPORT LOCATIONS

(e) Turn the ignition switch to ON (READY). (for HV Model)

(f) Start the engine. (for Gasoline Model)

(g) Check that the seat belt warning buzzer (in the combination meter assembly) sounds once when the vehicle is driven at approximately 20 km/h (12 mph) or higher with the seat belt unfastened.

(h) After 18 seconds have passed after the buzzer sounds once, check that the seat belt warning buzzer (in the combination meter assembly) sounds intermittently at 1.2-second intervals for 6 seconds.

(i) After the buzzer has sounded intermittently at 1.2-second intervals for 6 seconds, check that the interval changes and the buzzer sounds intermittently at 0.4-second intervals for 100 seconds.

(j) When 106 seconds have passed after the buzzer started sounding intermittently, check that the seat belt warning buzzer (in the combination meter assembly) stops.

(k) After the seat belt warning buzzer (in the combination meter assembly) stops, check that the buzzer sounds once and then once again sounds intermittently when the seat belt is fastened and then unfastened again, and then the vehicle is driven at approximately 20 km/h (12 mph) or higher.

(l) Check that the seat belt warning buzzer (in the combination meter assembly) stops when the shift position is changed to R while the seat belt warning buzzer (in the combination meter assembly) is sounding.

Check that the buzzer once again sounds intermittently when the shift position is changed to D again and the vehicle is driven at approximately 20 km/h (12 mph) or higher with the seat belt unfastened.

5. INSPECT FRONT PASSENGER SEAT BELT WARNING BUZZER

HINT:

Using the GTS, check that the customization setting for the seat belt warning buzzer (in the combination meter assembly) is on.

(a) Lift up the vehicle.

Click here 2023 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 -        ]; INTRODUCTION: REPAIR INSTRUCTION: VEHICLE LIFT AND SUPPORT LOCATIONS

(b) Fasten the driver seat belt.

(c) Turn the ignition switch to ON (READY). (for HV Model)

(d) Start the engine. (for Gasoline Model)

(e) Place a load of 20 kg (44.1 lb) on the passenger seat.

NOTICE:

When placing the load on the passenger seat, do not let it touch the seatback.

(f) Check that the seat belt warning buzzer (in the combination meter assembly) sounds once when the vehicle is driven at approximately 20 km/h (12 mph) or higher with the seat belt unfastened.

(g) After 18 seconds have passed after the buzzer sounds once, check that the seat belt warning buzzer (in the combination meter assembly) sounds intermittently at 1.2-second intervals for 6 seconds.

(h) After the buzzer has sounded intermittently at 1.2-second intervals for 6 seconds, check that the interval changes and the buzzer sounds intermittently at 0.4-second intervals for 100 seconds.

(i) When 106 seconds have passed after the buzzer started sounding intermittently, check that the seat belt warning buzzer (in the combination meter assembly) stops.

(j) After the seat belt warning buzzer (in the combination meter assembly) stops, check that the buzzer sounds once and then once again sounds intermittently when the seat belt is fastened and then unfastened again, and then the vehicle is driven at approximately 20 km/h (12 mph) or higher.

(k) Check that the seat belt warning buzzer (in the combination meter assembly) stops when the shift position is changed to R while the seat belt warning buzzer (in the combination meter assembly) is sounding.

Check that the buzzer once again sounds intermittently when the shift position is changed to D again and the vehicle is driven at approximately 20 km/h (12 mph) or higher with the seat belt unfastened.

6. INSPECT REAR SEAT BELT WARNING BUZZER (w/ Rear Seat)

HINT:

Using the GTS, check that the customization setting for the seat belt warning buzzer (in the combination meter assembly) is on.

(a) Lift up the vehicle.

Click here 2023 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 -        ]; INTRODUCTION: REPAIR INSTRUCTION: VEHICLE LIFT AND SUPPORT LOCATIONS

(b) Fasten the driver seat belt.

(c) Turn the ignition switch to ON (READY). (for HV Model)

(d) Start the engine. (for Gasoline Model)

(e) Ensure that the rear seat belt is fastened, and then unfasten it.

(f) Check that the seat belt warning buzzer (in the combination meter assembly) sounds once when the rear seat belt is fastened and then unfastened, and then the vehicle is driven at approximately 20 km/h (12 mph) or higher.

(g) After 18 seconds have passed after the buzzer sounds once, check that the seat belt warning buzzer (in the combination meter assembly) sounds intermittently at 1.2-second intervals for 6 seconds.

(h) After the buzzer has sounded intermittently at 1.2-second intervals for 6 seconds, check that the interval changes and the buzzer sounds intermittently at 0.4-second intervals for 66 seconds.

(i) When 72 seconds have passed after the buzzer started sounding intermittently, check that the seat belt warning buzzer (in the combination meter assembly) stops.

(j) After the seat belt warning buzzer (in the combination meter assembly) stops, check that the buzzer sounds once and then once again sounds intermittently when the vehicle is driven at approximately 20 km/h (12 mph) or higher with the rear seat belt unfastened.

(k) Check that the seat belt warning buzzer (in the combination meter assembly) stops when the shift position is changed to R while the seat belt warning buzzer (in the combination meter assembly) is sounding.

Check that the buzzer once again sounds intermittently when the shift position is changed to D again and the vehicle is driven at approximately 20 km/h (12 mph) or higher with the rear seat belt unfastened.