BMW 328i Sedan (E90) L6-3.0L (N51) P code charts 48
Condition for fault identification
Test condition:
Ambient temperature sensor signal communications monitor
Terminal condition: Terminal 15 ON
Voltage condition:
none
Condition for fault memory entry
22 sec.
Action in service
1) Visual inspection of sensor
2) Electrical check on sensor wire and power wires
3) Sensor replacement
Fault effect and breakdown warning
Driver information
Warning light:
MIL ON in US versions only
Service instruction
none
P0100
2D16 - P0100
Information saved in
DME
Fault code
2D16 - P0100
Fault text
Air-mass sensor, signal
Fault description
Mass or Volume Air Flow 'A' Circuit
Condition for fault identification
Test condition:
Engine start completed
Terminal condition: Terminal 15
Voltage condition:
OBD1 conditions met (voltage between 10 V and 16 V)
Condition for fault memory entry
0.2 sec.
Action in service
1) Visual inspection of plug-in terminals (at components and
DME)
2) Perform electrical check on sensor wire, power supply
and ground
3) Replace sensor
Fault effect and breakdown warning
Driver information
Warning light:
none
Service instruction
none
(DME) Condition For Fault Memory Entry - None
