Component Description

WARNING: This page is about a different car, the 2019 Nissan NV3500 HD, 2019 Nissan NV2500 HD, and 2019 Nissan NV1500. However, it is still accessible from the selected car via links, so may be relevant.

Name of the Part (Abbreviation)	Function
Front brake (FR/B)	Fastens the front sun gear.
Input clutch (I/C)	Connects the input shaft, the front internal gear and the mid internal gear.
Direct clutch (D/C)	Connects the rear carrier and the rear sun gear.
High and low reverse clutch (HLR/C)	Connects the mid sun gear and the rear sun gear.
Reverse brake (R/B)	Fastens the rear carrier.
Forward brake (Fwd/B)	Fastens the mid sun gear.
Low coast brake (LC/B)	Fastens the mid sun gear.
1st one-way clutch (1st OWC)	Allows the rear sun gear to turn freely forward relative to the mid sun gear but fastens it for reverse rotation.
Forward one-way clutch (Fwd OWC)	Allows the mid sun gear to turn freely in the forward direction but fastens it for reverse rotation.
3rd one-way clutch (3rd OWC)	Allows the front sun gear to turn freely in the forward direction but fastens it for reverse rotation.
Torque converter	Amplifies driving force the engine, and transmits it to transmission input shaft.
Oil pump	Driven by the engine, oil pump supplies oil to torque converter, control valve assembly, and each lubricating system.