I want to get to the bottom of this, but the schematics from the service manual are not helping much. The IPDM has a CPU, so you can trace the internal relay to the CPU, but then you can follow it anymore since it's in the "cloud" of digital commands.
At worst I could intercept the power going to the fog lamps (DRL) and add a relay to the ignition power to cut them out when the ignition is turned off, but that would only mask the issue.
I wish I could talk to a Nissan Mechanic about this
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