MS2-Extra
IAW Weber-Marelli Manual
(Fiat, Lancia, Cosworth Sierra)
Only for use with the MS2-Extra code (HC9S12C64 based microprocessor - MS2 Daughter Board)
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MS2-Extra
IAW Weber-Marelli Manual Only for use with the MS2-Extra code (HC9S12C64 based microprocessor - MS2 Daughter Board) |
NOTE: Please ensure you have one of these daughter boards inside your ECU before continuing. If you have a black microprocessor, then you have an MS1 and these manuals are NOT for MS1 see here for MS1-Extra Manuals
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Warning
for E-Bay buyers!!
Please see the Official Suppliers list before buying through E-Bay. This is there for your protection. |
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Please Note: All of these instructions / diagrams are to be used at your own risk, like most things there is more than one way to do the same thing, what we have tried to do is to offer a method that we have tested or that others have tested for us. No warranty expressed or implied. Use at your own risk. |
Main Index of MS2-Extra Manuals
Layout of Components -- Suggested Supply points -- List of common components and part numbers
IAW Weber-Marelli (Fiat, Lancia, Cosworth Sierra)
Wiring Diagram for Crank Sensor -- Diagram for Cam sensor -- Schematic Diagram -- Settings
Spark output comes on D14, see HERE for options on driving the coils.
V3.0 PCB (Crank wiring)
See HERE for Cam sensor wiring
V2.2 PCB (Crank wiring)
See HERE for Cam sensor wiring
The circuit below will need to be made for a V2.2 board
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DigiKey part
numbers:
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Farnell
part numbers
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1K resistor = 1.0KQBK-ND |
1K resistor = 509-164 |
Second Trigger Input (CAM Sensor)
If using the earlier setup then you will need a
VR conditioner circuit for the CAM sensor.
If using a newer setup then you will need a Hall Effect
Sensor circuit for the CAM sensor.
Second VR conditioner Circuit - this needs to be built.
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DigiKey part
numbers:
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Farnell
part numbers
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1K resistor = 1.0KQBK-ND |
1K resistor = 509-164 |
Please note: Above part numbers will need checking, some components will come with a minimum order in multiples of 5 and 10.
Cam sensor input on
pin3 of the DB37 connector on a V3.0 PCB
Cam sensor input on pin25 of the DB37 connector on a V2.2 PCB
Spark output comes on D14, see HERE for options on driving the coils.
Second Hall Sensor Circuit - this needs to be built.
Cam sensor input on
pin3 of the DB37 connector on a V3.0 PCB
Cam sensor input on pin25 of the DB37 connector on a V2.2 PCB
Spark output comes on D14, see HERE for options on driving the coils.
Suggested points for Supplies inside the V3.0 ECU
List of component part numbers used in the ignition section:
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DigiKey part
numbers:
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Farnell
part numbers
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2N2222A = 497-2598-5-ND |
2N2222A = 920-7120 |
Please note: Above part numbers will need checking, some components will come with a minimum order in multiples of 5 and 10.
If
you have a question, comment, or suggestion for this FAQ please post it on
the forum.
No part of this manual may be reproduced or changed without written permission from James Murray, Ken Culver and Philip Ringwood.