Hyster PC Service Tool Ver5.03 :

Hyster forklifts diagnostic program.
PC Service Tool is a Windows based service application that is used to communicate with the truck’s internal control systems. It can be used to monitor the status and condition of the various subsystems running within the truck. With this capability, PC Service Tool can be used to monitor component operation, or determine if abnormal events have occurred in the truck, and assist with their diagnosis and correction.
The purpose of this guide is to describe the PC Service Tool, which accesses the truck’s internal communications network via various CAN adapters. The tool works with the range of Hyster® ICE and Electric Rider trucks. It is also compatible with the newest Electric Warehouse products.

Hyster PC Service Toolv 4.89
Installation and User Guide
Hyster PCST V4.7 Readme EN
Hyster PCST V4.89 Truck Reprogramming Guide EN