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Home >> BMW >> 2009 >> 550i Automatic >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Self Diagnosis - Theory & Operation (N62) >> 1.15 Comprehensive Component Monitoring >> 1.15.10 Diagnosis of throttle position sensors >> 1.15.10.2 Range check

1.15.10.2 Range check

P0123 (DK1Pmax), P0223 (DK2Pmax), P0122 (DK1Pmin), P0222 (DK2Pmin), P0120 (DKnpl) 

The range check is performed by measuring the voltages of both sensors and comparing them with their respective minimum and maximum calibrated values.

If the measured voltage exceeds the calibrated maximum, a malfunction is detected and a DK1Pmax fault (sensor 1) or DK2Pmax fault (sensor 2) is set.

Additionally a DKnpl summary fault will be set.

If the measured voltage lies below the calibrated minimum, a malfunction is detected and a DK1Pmin fault (sensor 1) or DK2Pmin fault (sensor 2) is set.

Additionally a DKnpl summary fault will be set.