The AD Wagon uses MacPherson struts up front and a in the rear. That rear end is noisy, but it is simple.
The Y11 shares much with the for engine and electrical systems. Nissan Ad Wagon Y11 Service Manual
The Y11 is now old enough that electrical gremlins appear (corroded grounds, cracked solder joints on the back of the fuse box). The manual contains full fold-out (or digital PDF) wiring diagrams. The AD Wagon uses MacPherson struts up front