Characteristics of the automatic engine box 1NZ:
*Type: 4-speed automatic transmission
* Model: U340E
* Number of gears: 4 (P, R, N, D)
* Gear ratios:
* 1st gear: 3,464
* 2nd gear: 2.075
* 3rd gear: 1.426
* 4th gear: 1,000
*ATF fluid type: Toyota Type T-IV or equivalent
* ATF fluid volume: 2.8 l
* ATF fluid change interval: every 40,000 km or 24 months, whichever comes first
Peculiarities:
* Electronic control unit (ECU) for automatic gear shifting depending on driving conditions and engine load.
* Torque converter lock-up to improve fuel efficiency when driving at constant speed.
* Built-in oil cooler for cooling ATF fluid.
* Hill hold function to prevent the vehicle from rolling back when starting on a hill.
Compatibility:
The U340E gearbox was installed on Toyota vehicles with the 1NZ engine, including:
*Toyota Corolla
*Toyota Matrix
*Toyota Yaris
*Toyota Scion xA
*Toyota Scion xB