Initialization

INITIALIZATION

NOTE: Make sure that the front passenger seat is not occupied before performing the operation.

HINT: Perform the zero point calibration if any of the following conditions is met:
- The occupant classification ECU is replaced.
- The passenger airbag ON/OFF indicator indicates OFF when the front passenger seat is not occupied.
- The vehicle is brought to the workshop for repair due to an accident or a collision.

1. ZERO POINT CALIBRATION

a. Zero point calibration procedures

1. Check that all of the following conditions are met:
- The vehicle is parked on a level surface.
- No objects are placed on the front passenger seat.
- The front passenger seat belt buckle switch is OFF.

2. Adjust the seat position according to the table.





3. Connect the intelligent tester (with CAN VIM) to the DLC3.
4. Turn the ignition switch ON.
5. Perform the zero point calibration by following the prompts on the tester screen.








HINT:
- Refer to the intelligent tester operator's manual for further details.
- If the zero point calibration is performed when the calibration conditions are not satisfied, DTC B1797 is output.
- If the zero point calibration has failed, DTC B1797 is output.

2. SENSITIVITY CHECK

a. Sensitivity check procedures
1. Turn the ignition switch OFF.
2. Place a weight of 20 kg (44.0 lb) on the front passenger seat.

NOTE:
- Do not allow the weight to come into contact with the seatback when placing it on the seat cushion.
- Place the weight in the area shown in the illustration.





3. Turn the ignition switch ON, and wait for at least 6 seconds.
4. Check that the passenger airbag ON/OFF indicator indicates OFF.

OK: Passenger airbag ON/OFF indicator indicates OFF.

5. Add a weight of 30 kg (66.1 lb) to the front passenger seat (total 50 kg (110.2 lb)).

NOTE:
- Do not allow the weight to come into contact with the seatback when placing it on the seat cushion.
- Place the weight in the area shown in the illustration.

6. Check that the passenger airbag ON/OFF indicator indicates ON.

OK: Passenger airbag ON/OFF indicator indicates ON.