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B2861, B2862, B2863, B2864

Read the instructions below then start the fault diagnostic procedure.

Symptom: Airbag warning lamp on.

B2861, B2862, B2863, B2864


B2861 Side Airbag, Driver. Short to Ground

B2862 Side Airbag, Driver. Short to B+

B2863 Side Airbag, Driver. Open Circuit

B2864 Side Airbag, Driver. Resistance Too Low


Fault symptoms

Airbag warning lamp on.

Conditions

The following conditions are applicable to the respective diagnostic trouble codes:


B2861

The voltage applied to control module pin 2 is lower than 1.5 V for 1.25 s.



B2862

The voltage applied to control module pin 1 is higher than 3.5 V for 1.25 s.



B2863

The resistance measured by the control module is higher than 3.90 ohms for 10 s.

The resistance measured by the control module is higher than 225 ohms for 160 ms.

Fault diagnosis will not be carried out if diagnostic trouble code B2861 or B2862 has been generated.



B2864

The resistance measured by the control module is lower than 1.50 ohms for 20 s.

Fault diagnosis will not be carried out if diagnostic trouble code B2861 or B2862 has been generated.