The front airbag sensor LH consists of the diagnostic circuit and the frontal deceleration sensor, etc.

If the center airbag sensor receives signals from the frontal deceleration sensor, it determines whether the SRS should be activated.

DTC B1615/14 is stored when a malfunction is detected in the front airbag sensor LH circuit.

The front airbag sensor RH circuit consists of the center airbag sensor and front airbag sensor RH.

The front airbag sensor RH detects impacts to the vehicle and sends signals to the center airbag sensor to determine if the airbag should be deployed.

DTC B1612/83 or B1613/83 is stored when a malfunction is detected in the front airbag sensor RH circuit.

The front airbag sensor RH consists of the diagnostic circuit and the frontal deceleration sensor, etc.

If the center airbag sensor receives signals from the frontal deceleration sensor, it determines whether the SRS should be activated.

DTC B1610/13 is stored when a malfunction is detected in the front airbag sensor RH circuit.

The side squib LH circuit consists of the center airbag sensor and the front seat airbag LH.

The circuit instructs the SRS to deploy when deployment conditions are met.

These DTCs are stored when a malfunction is detected in the side squib LH circuit.

The center airbag sensor consists of the airbag sensor, the safing sensor, the drive circuit, the diagnosis circuit, the ignition control, etc.

If the center airbag sensor receives signals from the airbag sensor, it determines whether the SRS should be activated.

DTC B1000/31 is output when a malfunction is detected in the center airbag sensor.

Land Cruiser URJ200 URJ202 GRJ200 VDJ200 SUPPLEMENTAL RESTRAINT SYSTEMS

Warm up the engine.

Turn the ignition switch off.

Check the DTCs (Present trouble code).

Vibration method: When vibration seems to be the major cause.