ECM Terminal And Reference Value

TROUBLE DIAGNOSIS

ECM Terminal and Reference Value


PREPARATION






ECM (1) is located in the engine room left side near battery.
-White arrow indicates : Vehicle front
- Battery (2)

ECM INSPECTION TABLE

Specification data are reference values and are measured between each terminal and ground.
Pulse signal is measured by CONSULT.

CAUTION:
Never use ECM ground terminals when measuring input/output voltage. Doing so may result in damage to the ECMs transistor. Use a ground other than ECM terminals, such as the ground.