Trouble Godes - diagramas.diagram...

AUDl Model: S6 2,2
Year: 1994-96
Engine management
In underbonnet relay plate
Engine code: AAN
System: Bosch Motronic M2.3 Bosch Motronic M2.3.2
Erasing
Ensure ignition switched OFF.
General information Disconnect ECM multi-plug or battery earth lead.
. -
Refer to the front of this manual for general test conditions, NOTE: ECM adapt;ve memory may be erased causing
terminology, detailed descriptions of wiring faults and a running faults. Carry out road test to allow ECM to
general trouble shooter for electrical and mechanical faults. re-learn basic values.
Accessing
The engine control module (ECM) fault memory can be
accessed using diagnostic equipment connected to the data
link connector (DLC).
Trouble code identification
Flash type / Fault location
4-digit
0000
1111
1231
End of test sequence
Engine control module (ECM) - defective
Vehicle speed sensor (VSS)
Engine speed (RPM) sensor
Crankshaft position (CKP) sensor
Diagnostic equipment can also be used to erase data from
ECM fault memory.
WARNING: Disconnecting the battery may erase memory from
electronic units (e.g. radio, clock).
-
ECM
Wiring, speedometer, VSS
Air gap, metal particles, insecure sensor,
flywheel ring gear damaged, wiring,
CKPIRPM sensor multi-plugs interchanged,
RPM sensor
Air gap, metal particles, insecure sensor,
flywheel pin bentlmissing, wiring, CKPIRPM sensor
multi-plugs interchanged, CKP sensor
camshaft position (CMP) sensor Valve timing, distributor alignment, wiring,
CMP sensor, CKP sensor flywheel pin bent/
missing, CMP sensor
Closed throttle position (CTP) switch Accelerator cable adjustment, CTP switch
adjustment, throttle valve tightlsticking,
wiring, CTP switch