900 S Convertible L4-2290cc 2.3L DOHC EFI (1997)
Low Fuel Lamp/Indicator: Description and Operation
When less than about 10 liters of fuel remains in the tank the low fuel level indicator lamp in the main instrument display panel will light up. At the same
time, the main instrument display panel will ground pin 75 of the Motronic control module.
This function is used solely for the OBD II system.