FJ Cruiser 4WD V6-4.0L (1GR-FE) (2007)
The ground points 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 (A1, A2 and D4 shown) can also be checked this way.
How to Read Power Source
HOW TO READ POWER SOURCE