BMW 1999-2005 M3 Service Manual page 1240

On-Board Diagnostics
BMW P-code
code
8 P0101
10
11
14 P0111
18 P1397
19 P1529
21 P1525
22 P0203
2 of 20
Fault type and Signal type and
function range
Mass air flow Input analog
circuit range/perf. (0-5V)
Engine coolant Input analog
temp. circuit (0-5V)
range/perf.
Coolant temp. Input analog
coolant outlet (0-5V)
Intake air temp. Input analog
range/performance (0-5V)
Exhaust cam Input analog
position sensor phase shift (0-5V)
malfunction
VANOS solenoid Output digital
activation, exhaust pulse width (active
low)
VANOS solenoid Output digital
activation, intake pulse width (active
low)
Injector circuit cyl. Output digital
3 pulse width (active
low)
http://ebahn.bentleypublishers.com/BMW/3/E46/Repair%20Manuals/8...
Explanation
Failed signal range check
against predefined diagnostic
limits.
Signal range is checked
against predefined diagnostic
limits within specific engine
operations.
Signal range is checked
against predefined diagnostic
limits within specific engine
operations.
Signal range is checked
against predefined diagnostic
limits within specific engine
operations.
Internal check of phase shift
from camshaft sensor -
should change during every
crankshaft revolution.Phase
shift occurs due to 2:1
relationship between
camshafts.
DME final stage will set flag
whenever a short to ground, a
short to battery voltage or a
disconnection between output
transistor and component
exists.
DME final stage will set flag
whenever a short to ground, a
short to battery voltage or a
disconnection between output
transistor and component
exists.
DME final stage will set flag
whenever a short to ground, a
short to battery voltage or a
disconnection between output
transistor and component
exists.
2/25/2009 11:23 PM