Where are the timing marks for a 1AZ engine without vvti

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You need to line up the cam timing marks by the manual

best advice is to get a workshop manual for the engine
next
heads can generally be removed in car
next set the valve timing before removing the belt. check and record the position of the cam timing marks
don't move the crank after the head is pulled

Haynes manual Autozone has this info

Timing chain arrangement for Toyota 1AZ-FE:

Accordint with Repair Manual/ENGINES + AUTO.TRANS/1AZ-FSE...




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Yes.
D-4 is the type of fuel injection - direct injection.
vvt-i : Variable valve timing with intelligence.
It is used on Toyota's 2.0L first generation AZ engine family : 1AZ-FSE
1 - First gen
AZ - engine family
F - Economy narrow-angle valve DOHC
SE - Direct injection
Vehicles using the engine include Avensis, RAV-4, Premio, Wish and Allion