The book says that line is not "high" or "low" but is pulsed to enable and pulsed to disable the starter. I am still not convinced this is accurate. Swapping the pulse module is not a bad idea, we did that at a tech day (since we had 6 or 8 cars) - in our case, the pulse module was not the issue, turned out to be a clutch interlock switch.

But DJ asked you about the relays - do not skip over what he said - if you have one less relay activating, that has to be resolved!