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dunnock

Member Since: 23 Mar 2011
Location: Reading
Posts: 1

Defender 90 immobiliser problem

I have a 2004 90 hard top td5. Key fob locks/unlocks doors ok. When locked the red immobiliser light flashes slowly. when unlocked the red immobiliser light is not lit at all. on position 1 the engine check and glow plug lights do not light. on position 3 the engine turns over but wont start.
I've tried locking and unlocking with the fob and leaving it for a while but not joy.
Any thoughts?

23rd Mar 2011 10:17am

Tazz

Member Since: 24 Mar 2011
Location: Harrow
Posts: 90

might sound silly, but have thought about replacing the battery in your key fob?

Tazz

1st Apr 2011 9:23pm

Grockle

Member Since: 24 Nov 2008
Location: Peak District National Park
Posts: 2266

2008 Defender 90 Puma 2.4 XS CSW Tonga Green

not silly Taz worth a try,check to see if the indicators flash on locking if not it is the remote battary 2.4 90 XS
1968 1/32 scale Britains 109 Pick up.

Last edited by Grockle on 2nd Apr 2011 9:39am. Edited 1 time in total

2nd Apr 2011 7:30am

Lorryman100

Member Since: 01 Oct 2010
Location: Here
Posts: 2686

Fistly, is it a standard fit alarm immobiliser or aftermarket Alarm with/without immobilizer? If it's standard what alarm unit is fitted, 10AS?
Does the Alarm work as it should? (Try leaving a window open and opening the door from the inside too see if it trips)
How many Key fobs and how many buttons?
Have you tried another fob?
Have you replaced the Key fob batteries lately? If so did you do it within 10 mins?
Have you tried it with just the key to lock and unlock? And if so does the Landy start, operate as normal?

My initial thinking, barring a faulty Alarm/immobilizer is that the fobs have become unsynched from the alarm ecu meaning the alarm doesn't recognize the rolling code it receives, meaning no de activation of Alarm/immobilizer.
If you can answer the above questions as best you can then we should be able to point you in the right direction

HTH Brian

2nd Apr 2011 8:33am

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