Section 05 ENGINE MANAGEMENT (DI)
Subsection 04 (DIAGNOSTIC PROCEDURES)
SMR2000-052-05-04A.FM 05-04-7
DI SYSTEM FAULT CODES
General
The faults registered in the MPEM are kept when
the battery is disconnected.
Be aware that a red light blinking with the MAINT
message may not be for a fault code. It may be a
maintenance inspection reminder. Press and hold
the SET button of the information center for 2 sec-
onds. If the blinking continues, it is a fault code.
Use the VCK (Vehicle Communication Kit) to see
it. Otherwise, it was a maintenance reminder.
IMPORTANT: After a problem has been solved,
ensure to clear the fault(s) in the MPEM using the
VCK. This will properly reset the appropriate
counter(s). This will also records that the problem
has been fixed in the MPEM memory.
Many fault codes at the same time is likely to be
burnt fuse(s).
For more information pertaining to the code faults
(state, count, first etc.) and report, refer to B.U.D.S.
online help.
Supplemental Information for Some
Specific Faults
ECU fault code P0606: This code may occur in
the following situations:
– Electrical noise is picked up by the MPEM. Ensure
that all connections are in good condition, also
grounds (battery, MPEM, engine and ignition sys-
tem), they are clean and well tightened and that all
electronic components are genuine — particularly
in the ignition system. Installing resistive caps,
non-resistive spark plug cables (or modified
length), non-resistive spark plugs or knock sensor
wiring/routing may lead to generate this fault code.
– Electrical noise might also lead engine to occa-
sional cutout without generating a fault code
when engine is restarted. When looking at the
fault code, pay attention to the “count” value in
the software B.U.D.S. A value between 1 and 9
confirms an electrical noise problem. A value of
10 and above will generate a fault code.
– When installing a new MPEM. It is not properly
programmed from the factory. The MPEM must
be returned to be properly “activated”.
– If everything is in good condition, replace the
MPEM.
When using the service action suggested in the
Fault section of B.U.D.S., the system circuits are
referred as 4-23 for instance. It means Amp con-
nector no. 4 and the circuit wire no. 23 as found in
the wiring diagram.
TPS (Throttle Position Sensor) Faults
Faults which are reported in B.U.D.S. fall into two
groups TPS faults and adaption faults. These are
displayed on the B.U.D.S. system as TPS OUT OF
RANGE and TPS ADAPTION FAILURE.
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