The inner loop would remain stable at around 600 ohm. ![]() It would increase from around 200 ohm up to around 1400 ohm. The outer loop was reactive to having pressure applied from my daughter's hands. ![]() With the sensor out of the car and cleaned for inspection I observed that the black and white traces forming the pressure(?) sensing mat were working. Before removing it from the seat (big job) and stripping away the silicon(?) that the board was encased within (bigger job) I observed open circuits between the brown (ground), red and white wires. The vehicle's On Board Diagnostics are clearly pointing to it being faulty. ![]() Could I ask for your help please with identifying a few components on the circuit board for the pictured seat occupancy sensor mat, from my BMW 120i.
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