Fero reported that Double VANOS works perfectly
- it follows the target cam position perfectly
- it is actually easier to set up than the PWM type actuator (eg. suzuki)
- but high-side driver was required (so the protection-diode need not be removed from the solenoid-connector)
- a 4-channel low-Z-extension board was modified (4 tracecuts) to act as high-side PFET driver. Using 10k Rgs resistor, and driven from p259 (or other) outputs (p259/0,p259/1 and p259/6,p259/7, remember: pairs must be neighbors), with 510 Ohm.
- high-side driver is also required for Honda, where the solenoid has 1 pin grounded to the body
Information needs some cleanup from
especially trigger setup and initial cam-position target tables.
The intake VR polarity was originally wrong (rising edge)
- interestingly, the intake actuation worked that way too. After swapping the intake-cam VR polarity (LM1815 likes VR falling edge on its input):
Note that
- exhaust-cam (which is 6+1 pulse) is connected to secondary trigger, the +1 pulse is toothcount=2
- intake-cam (6 evenly placed pulse every 120 crankdeg, tooth_cnt=4,24,44,...) is connected to third cam' (therefore "exhaust target" table is relevant for intake).
- Originally 1 pulse was inside the missing-gap, so this is different: implementation needs change, at least the configlet (possibly some other change needed, like separate "measure tooth" parameter for sectrig and third trig ?)