AuthorTopic: MFU  (Read 695 times)

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Offline Range Rover Blues

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MFU
« on: December 02, 2008, 23:03:38 »
I know one of you told me before, but does anyone have the self test procedure for the MFU on Disco 300 series to hand please, I've lost my copy.

Ta
Blue,  1988  Range Rover 3.5 EFi with plenty of toys bolted on
Chuggaboom, 1995 Range Rover Classic
1995 Range Rover Classic Vogue LSE with 5 big sticks of Blackpool rock under the bonnet.

Offline ibruceuk

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Re: MFU
« Reply #1 on: December 02, 2008, 23:31:31 »
No problem here it is.....

Diagnostic Procedure

1. Close all doors and the tailgate.
NOTE: If the oil pressure switch goes open
circuit (engine is started) during the following
procedure, the MFU will exit the diagnostic mode
immediately.

2. Press and hold the heated rear screen switch
and switch on the ignition.

3. Release the heated rear screen switch within 2
seconds and the MFU will beep to indicate that it’s
in diagnostic mode 1.

4. Press the heated rear screen switch; the MFU
will beep twice. In turn, operate each of the
following switches, rear fog guard lamps, side
lights, headlights, front wiper, and rear wiper. The
MFU will beep twice each time a switch is
operated.

5. Pressing the heated rear screen again will
cause the MFU to enter diagnostic mode 2.

6. The MFU will provide outputs to the following in
order given below:
  •  Heated rear screen relay energised for 2 seconds

  • Courtesy lights energised for 2 seconds

  • Dim dip relay energised for 2 seconds

  • Rear fog guard lamp energised for 2 seconds

  • Headlamp power wash energised for half a second

  • Front wiper energised for half a second

  • Rear wipe/wash energised for half a second

7. The MFU will then exit the diagnostic mode.
Kooga - 1993 Disco 1 3.5 Efi on LPG
-----
Ewok - 1989 Range Rover 3.9 (Expired....)
Suzy - 1993 Vitara - (Ooooopsss at Briercliffe!)

 






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