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Posted by UKAT5539 on September 22, 2005, 2:10 pm, in reply to "Landrover Discovery 2.5 tdi 1997 salljgm73va540957"
Yes, and I hope this helps: (bear in mind the rear wiper wont operate if the drivers or rear door is open)!MULTI–FUNCTION UNIT (MFU) G4 CIRCUIT OPERATION 1 REV: 11/97 CIRCUIT OPERATION Multi–Function Unit (MFU) The multi–function unit (MFU) is mounted on the rear of the passenger compartment fusebox and has an input to operation of the following: Heated rear screen Heated front screen Courtesy lights Side and headlights Rear fog guard lamps Headlamp power wash Front wipers Rear wash/wipe 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, heated front screen, rear fog guard lamps, side lights, headlights, front wiper and rear wiper. The MFU will beep twice each time a switch is oper-ated. 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 Heated front screen 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.
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Message Thread:
- Landrover Discovery 2.5 tdi 1997 - Rear fog lamp not working, interior light on all the time - Stephen Rigbye September 22, 2005, 12:55 pm
- replies - UKAT5539 September 22, 2005, 2:10 pm
- replies - Tony Ludford September 22, 2005, 2:14 pm
- replies - Stephen Rigbye September 23, 2005, 2:30 pm
- fixed - STEPHEN RIGBYE September 28, 2005, 5:39 pm
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