BMW 1999-2005 M3, Service Manual

Page: 1245 / 1258

BMW
code P-code Fault type and
function Signal type and
range Explanation
transistor and component
exists.
74 AC compressor
relay Output digital
on/off (active low) 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.
79 P0161 Oxygen sensor
heater post-cat
(Bank 1) Output digital
pulse width (active
low) 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.
83 P0335 Crankshaft position
sensor,
malfunction Input digital
(0-12V) Checks for correct signal
pattern and correct number of
expected flywheel teeth.
100 P0601 Internal control
module, memory
check sum or
communication DME internal
values logical Internal hardware test of
RAM, ROM, and Flash Prom.
103 P1519 VANOS faulty
reference value
intake DME internal
values logical Maximum VANOS adjustment
angle, checked at every
engine start must be within a
specified limit.
104 P1520 VANOS faulty
reference value
exhaust DME internal
values logical Maximum VANOS adjustment
angle, checked at every
engine start must be within a
specified limit.
105 P1522 VANOS stuck
(Bank 1) intake DME internal
values Monitoring of a desired
VANOS adjustment within a
predefined diagnostic time
limit.
106 P1523 VANOS stuck
(Bank 2) exhaust DME internal
values Monitoring of a desired
VANOS adjustment within a
predefined diagnostic time
limit.
109 P1580 Motor throttle valve
pulse width not
plausible Output digital
pulse width
(0-12V) Throttle position control
algorithm checks for problems
with mechanical coupling
On-Board Diagnostics http://ebahn.bentleypublishers.com/BMW/3/E46/Repair%20Manuals/8...
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