Anderzander Posted October 21, 2018 Share Posted October 21, 2018 Can anyone tell me wether the door switch on the Td5 / Puma connects the earth when the door is open or closed? My friend has rung me and needs to do the EKA thing on her 90, which has no working door switches - and I can’t check my 90 at the moment... I think the door switches a wire to earth, which signals the ECU to turn on or off the interior lights by providing an earth path to them, which have a permanent live. Quote Link to comment Share on other sites More sharing options...
crwoody Posted October 21, 2018 Share Posted October 21, 2018 (edited) Yes you're right, the switches are grounded to one side by their individual fixing screws, the switched, (live side,) purple/blue wires, connect together and go back to the 10AS alarm module. Switch closed with any door open = light on. Edited October 21, 2018 by crwoody Quote Link to comment Share on other sites More sharing options...
Anderzander Posted October 21, 2018 Author Share Posted October 21, 2018 So I need to make the connection to earth for it to think the door is open ? Quote Link to comment Share on other sites More sharing options...
crwoody Posted October 21, 2018 Share Posted October 21, 2018 42 minutes ago, Anderzander said: So I need to make the connection to earth for it to think the door is open ? Correct 👍 Quote Link to comment Share on other sites More sharing options...
Anderzander Posted October 21, 2018 Author Share Posted October 21, 2018 Thank you 🙏🏻 Quote Link to comment Share on other sites More sharing options...
landroversforever Posted October 21, 2018 Share Posted October 21, 2018 Errr.... isn't the EKA code done with the key in the door lock?! Quote Link to comment Share on other sites More sharing options...
Anderzander Posted October 21, 2018 Author Share Posted October 21, 2018 It’s the ignition - but you have to open and close the door at certain points - and with a broken switch we did it by earthing the wire last time... got it working and got complacent, never sorting the switch. Now she’s had a new battery fitted and it’s immobilised again. Quote Link to comment Share on other sites More sharing options...
Anderzander Posted October 21, 2018 Author Share Posted October 21, 2018 Here’s a link: https://workshop-manuals.com/landrover/defendertd5/electrical/immobilisation_system_from_02my/page_755/ I think the Discovery uses the door lock? Quote Link to comment Share on other sites More sharing options...
landroversforever Posted October 21, 2018 Share Posted October 21, 2018 Ah the Disco must be what I'm thinking of then. Quote Link to comment Share on other sites More sharing options...
Bowie69 Posted October 22, 2018 Share Posted October 22, 2018 P38 too. Quote Link to comment Share on other sites More sharing options...
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