DTC B1869, B1870: Malfunction in the air bag system warning light circuit: Notes

WARNING: This page is about a different car, the 2005 Mazda RX-8. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: DTC B1869, B1870 Detection Condition And Possible Causes

Courtesy of MAZDA MOTORS CORP.