Symptom Troubleshooting

SRS Symptom Troubleshooting - Front passenger's airbag cutoff indicator stays on or comes on suddenly

Front passenger's airbag cutoff indicator stays on or comes on suddenly

NOTE: Under the following conditions, the front passenger's airbag cutoff indicator stays on or comes on suddenly.

- Before doing this troubleshooting procedure, find out if the vehicle was in a collision. If so, verify that all the required components were replaced with new components, of the correct part number, and that they were properly installed Service and Repair.
- When no one is sitting the front passenger's seat, but there is an object on the seat more than 5 kg (11 lbs).
- The seat belt is buckled, but no one is sitting on the front passenger's seat.
- Someone who is less than about 30 kg (65 lbs) is sitting on the front passenger's seat.
- Before replacing the SRS unit, check the SRS unit software version with the HDS. If the software version is not the latest, update the SRS unit software Testing and Inspection, and retest.

1. Check for these items, then recheck the front passenger's airbag cutoff indicator.

- The front passenger's seat is installed correctly.
- Nothing is/was on the front passenger's seat.
- Nothing is/was under the front passenger's seat.
- Nothing is/was in the front passenger's seat-back pocket.
- Whoever was sitting on the front passenger's seat was sitting in the proper sitting position.
- The front passenger's weight sensors may not measure the correct weight of the front passenger. If the passenger is more than 30 kg (65 lbs) but is supporting some of their body weight with their feet on the floor, or with their hands and arms on an arm rest, the actual weight of the passenger is not measured.

Does the front passenger's airbag cutoff indicator stay on?

YES -

Go to step 2.

NO -

Troubleshooting is complete.

2. Connect the HDS to the data link connector (DLC).

3. Turn the ignition switch to ON (II).

4. Make sure the HDS communicates with the vehicle and the SRS unit. If it does not communicate, troubleshoot the DLC circuit Testing and Inspection.

5. Select the INSPECTION menu on the HDS, then select AFTER REPLACING FRONT PASSENGER'S SEAT COMPONENT(S), and follow the prompts.

Does the front passenger's airbag cutoff indicator stay on?

YES -

Go to step 6.

NO -

Troubleshooting is complete.

6. Select the INSPECTION menu on the HDS, then select AFTER A VEHICLE COLLISION, and follow the prompts.

Does the front passenger's airbag cutoff indicator stay on?

YES -

Faulty SRS unit; replace the SRS unit Service and Repair. If the problem is still present, replace the ODS unit Service and Repair, and then if the problem is still present, replace the front passenger's weight sensors Service and Repair.

NO -

Troubleshooting is complete.