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Barometric pressure sensor * AAN harness motronic55/pin9 [mechanical barometric sensor] altitude measurement... ** does anyone know Voltage (or resistance) values for 2 different ambient pressure conditions (say <1000m and >1500m above sea-level) ? Or approximate value kPa / Volt slope ? ** if someone has Audi AAN logs (perhaps SD logging was enabled) driving at different height above sea-level, look at mcp3208/ch7 (raw value): mcp3208/ch7 has been connected to motronic55/pin9 since ages (although it has 2k7 pullup, it should show the value change consistently) |