Section 08 ENGINE MANAGEMENT (4-TEC)
Subsection 02 (COMPONENT INSPECTION AND ADJUSTMENT)
2
2
R1503motr180A
1
TYPICAL
1. ECM
2. Retaining screws
Unscrew all retaining screws and remove the en-
gine ECM from intake manifold.
CAUTION: If ever ECM is replaced, replace it by
the same part or by an approved equivalent.
Install the new ECM to the engine.
Reconnect ECM connectors to ECM then battery
cables.
If the previous ECM was read with B.U.D.S.
Transfer the data from the previous ECM to the
new one using B.U.D.S. then proceed with the
required resets.
Continue procedure as per FINALIZING ECM RE-
PLACEMENT below.
If the previous ECM was NOT read
with B.U.D.S.
– Enter the old ECM serial number in the Part
Replacement under History tab. Click on Add
part in History.
– Reprogram safety lanyard(s).
NOTE: The ECM serial number can be found on
the ECM sticker that also shows the P/N.
Continue procedure as per FINALIZING ECM RE-
PLACEMENT below.
Finalizing ECM Replacement
After performing the required resets, ensure to
clear all faults from the newly replaced ECM.
Start the engine and increase engine speed above
5000 RPM to be sure no fault appears.
MPEM Replacement
Disconnect battery cables.
WARNING
Battery BLACK negative cable must always be
disconnected first and connected last.
Disconnect AMP connectors from MPEM. Re-
move retaining nuts on top.
Pull MPEM out.
Install the new MPEM in vehicle. Reconnect AMP
connectors to MPEM.
If the previous MPEM was read with B.U.D.S.
Transfer the data from the previous MPEM to the
new one using B.U.D.S.
Continue procedure as per finalizing MPEM re-
placement below.
If the previous MPEM was NOT read
with B.U.D.S.
– Enter the vehicle and engine serial numbers in
the Vehicle tab.
– Enter the old MPEM serial number in the Part
Replacement under History tab. Click on Add
part in History.
– Manually activate the options installed on vehi-
cle under the Setting tab.
NOTE: The MPEM serial number can be found on
the MPEM sticker that also shows the P/N.
NOTE: If an option is installed but not checked in
B.U.D.S., the information center will not display
thatoption. IfanoptionischeckedinB.U.D.S.
but not installed in vehicle, a fault code will be
generated.
Continue procedure as per FINALIZING MPEM
REPLACEMENT below.
Finalizing MPEM Replacement
Ensure to clear all faults from the newly replaced
MPEM.
Start engine and ensure no fault is active.
418 smr2004-Complete Line Up
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