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Checked the voltage at J6000 fan connector and at Q6060 mosfet. The voltages seem fine as far as I can tell. The gate is 3.3v and the source is 0v ground but theres no voltage going to the drain (FAN_RT_PWM)
I swapped out Q6060 but it made no difference.
I've read that schematic wrong haven't I.. There needs to be a voltage (providing its lower than PP3V3 gate) on SMC_FAN_0_CTL doesnt there, otherwise nothing is being sent to the fan when the gate is open. Damn it.. Must be SMC then really.