We have just purchased a 1989 Nissan Maxima, automatic sedan. It's an imported model and the owner's manual is written in Japanese. We need an English version of the owner's manual. Help Please??

Your model is not found but you can use this manual. See section 8 page 8-13 Language and Unit Setting. It will help you.

2013 Nissan ' Navigation Owner's Manual ' Nissan USA

The torque specification for a 2005 Nissan Maxima SE 3.5 on a wheel axle is 59-73 lb-ft (80-99 Nm). It's important to note that this specification may vary slightly depending on the specific model and year of your Maxima, so it's always a good idea to consult your vehicle's owner's manual or a trusted mechanic to ensure you have the correct torque specifications for your vehicle.

Page 400 of the manual refers to the bulb only
https://owners.nissanusa.com/content/techpub/ManualsAndGuides/Maxima/2012/2012-Maxima-owner-manual.pdf

and here is a fuse box diagram

https://fuse-box.info/nissan/nissan-maxima-a33-1999-2003-fuses-and-relays

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Owners handbook for the Japanese Import model T31. Brand new item. This 205 page handbook has been translated from the original Japanese handbook into English and is very professional with full illustrations.
https://mcdvoice.me/

TCM coding

You need to go to the Nissan dealer and purchase a headlight wire pigtail for that year , make and model...

hopfully this helps this is a 1989 dash fuse box photo.

English owners manual from here. There is also a link to purchase map updates for you Nissan.

Starting in the year 2000, service manual from Nissan are not available in print. The manual are all electronic of the web and only at the dealership.

If you have the original key you can look at the end of it where the actual key meets the plastic and you will see 4 engraved numbers that will be the original key code, if you have the manual you can look in it for the key code that you can use to reset the security key code to what every you want.