toyota Workshop Repair Guides

Toyota Workshop Service and Repair Manuals

Diagram Information and Instructions|Page 583 > < Component Tests and General Diagnostics|Page 578
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Intake Air Temperature Sensor: Diagram Information and Instructions

How To Read Ground Points

Ground Points

The Ground Point circuit diagram shows the connections from all major parts to the respective ground points. When troubleshooting a faulty ground
point, checking the system circuits which use a common ground may help you identify the problem ground quickly. The relationship between ground
points (EA, IB and IC) can also be checked this way.

How to Read Power Source

Diagram Information and Instructions|Page 583 > < Component Tests and General Diagnostics|Page 578