SAGEM AC4
Faultmate MSV-2

SAGEM AC4

SKU: SM014

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SAGEM AC4 - System Overview
A fairly standard ABS system manufactured by Sagem supporting 2 airbags and 2 seat belt pretensioners.
SM014 - SAGEM AC4 - System Help file
Version 1.22

SAGEM AC4 - Known Fitments
Vehicle makes, models and variants known or believed to be using this vehicle system, required diagnostic lead and degree of known compatibility.

Vehicle Make Vehicle Model Vehicle Variant Diagnostic Lead
Land Rover Freelander 1998 > 2002 Black OBDII Lead

SAGEM AC4 - Physical Details
SM014 ECU

SAGEM AC4 - Pin Outs
Details of the pin usage for the ECU connector(s).

SM014 pins
1 RH Pretensioner
2 RH Pretensioner
3 LH Pretensioner
4 LH Pretensioner
5 Passenger Compartment Fusebox
6 Ground
7 Instrument Pack
8 Not Used
9 Diagnostic Socket
10 Driver's Airbag Via Rotary Coupler
11 Driver's Airbag Via Rotary Coupler
12 Not Used
13 Passenger's Airbag
14 Passenger's Airbag
15 - 30 Not Used

SM014 - SAGEM AC4 - Diagnostic Capabilities (Read Fault Codes)
Reads the fault code memory. The ECU can self detect up to 20 different problems with itself, its wiring and its associated sensors, storing the respective code if it detects any malfunction or reading outside of pre defined acceptable limits. Not all stored faults may cause the fault warning lamp to illuminate.

SM014 - SAGEM AC4 - Diagnostic Capabilities (Clear Fault Codes)
This function checks the fault code memory for resident faults and clears the fault code memory if the fault has been rectified. Having deleted the faults the system then rechecks the fault memory to ensure that it is clear. Failure to clear the fault memory successfully is usually due to the system re-logging the fault the moment the fault memory is clear, meaning that the fault has not been rectified properly and as far as the system is concerned, still exists. The system may also carry out a re-check for successful clearing of the fault code memory but then the system may re-log the fault shortly after.

SM014 - SAGEM AC4 - Diagnostic Capabilities (Settings)
Values, configuration settings, and other stored information which can be read from the ECU, edited and then rewritten back. Read settings can also be stored as a standard HTML page for reference. These pages can then later be re loaded and re written back to the ECU. Please note that some values may be read only due to the fact that they are supplied from the ECU’s ROM or are internally calculated.

  • VIN: the electronically stored Vehicle Identification Number (VIN) in this airbag ECU. This number can be set only once, and it should be entered on new airbag ECU's. The number can be found on the VIN plate under the bonnet or on the visible VIN tag at the bottom of the windscreen.
  • Software version: Gives the software version number for this airbag ECU. Not all ECU types feature this information diagnostically.
  • Hardware version: Gives the hardware version number for this airbag ECU. Not all ECU types feature this information diagnostically.
  • Serial number: The electronically stored serial number for this airbag ECU, and can be found printed on a label affixed to the top or side of the ECU.
  • Numbers of Doors: The numbers of doors of the vehicle. The number can be set only once on a new ECU.
  • Right hand pretensioner/ Left hand pretensioner: This denotes fitment or omission of the right hand/left hand seat belt pretensioner. Not all ECU types feature this information diagnostically.
  • Driver's airbag/ Passenger's airbag: This denotes fitment or omission of the driver's/passenger's airbag. Not all ECU types feature this information diagnostically.
  • Driver's side airbag / Passenger's side airbag: This denotes fitment or omission of the driver's/passenger's side airbag. Not all ECU types feature this information diagnostically.

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