repair Niva Chevrolet

Disassembling the gearbox shafts is necessary to replace the shaft parts.
Removing the gearbox is discussed in the article - "How to replace the gearbox of the Niva Chevrolet"
Disassembling the gearbox is discussed in the article - "Repairing the gearbox of the VAZ-2123 car"
Design Features
The car is equipped with an anti-theft system (immobilizer) APS-6.

Electrical connection diagram of the Niva Chevrolet engine management system
The wires in this diagram have a letter designation of color and a designation of the number of the circuit element to which this wire is connected