Member Since: 10 Sep 2013
Location: Olomouc
Posts: 685
I have missed this. No lights = no software running in ECU. You can also check this observing the main relay - with ignition on, it will click, with ignition off, it will take like 8 seconds to click. When software in ECU is not running, it will click inmediatelly after ignition off.
Possible problems - broken CPU, broken of corruped flash memory or problem between CPU and flash memory. Lot of time, it is because of broken small SMD resistor - they are not the best quality."Drobek" = The Small One - Discovery 2, "Blufínek" = The Blue Thing - Defender 130, and for me at least Ford Mondeo
2nd Sep 2025 9:11am
Martin Site Admin
Member Since: 02 Apr 2007
Location: Hook Norton
Posts: 6709
Broken SMD resistor it was, thank you so much for your help 1988 90 Td5 NAS soft top
2015 D90 XS SW
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1988 90 Td5 NAS soft top
18th Sep 2025 1:02pm
