Toyota Way Fieldbook : A Practical Guide for Implementing Toyota's 4Ps

As described in the Agillence software case earlier in the chapter, new IT
faces a high hurdle at Toyota. The process used for adopting the Agillence soft-
ware is typical at Toyota and follows the flow of logic in Figure 9-4, above, for
a lean IT process. It is not enough to show in the abstract that IT can automate
a process or provide more and better information. It must be clear how it will

212 THETOYOTAWAYFIELDBOOK

Philosophy

Eliminate waste

Performance measures

Total system cost,

quality, delivery

Principle

Use only reliable,

thoroughly tested

technology that serves the

people and processes

Strategy

Improve good decision

processes with IT

Reason

Support human

decision making with

fast, reliable data

Effect

IT supports problem

solving and kaizen

Controls

Visual controls,

nemawashi, hansei

Results

Reduce waste,

make better

decisions

Method

Develop good human

process first

Tools

A3, problem solving,

nemawashi, kaizen.

thorough

consideration, pilots

Figure 9-4. Lean IT process