Power Supply Testing

Main Power Supply and Ground Circuit

EC-MAIN-01:

EC-MAIN-01 - Connector View:

EC-MAIN-01 - Connector View 2:

WIRING DIAGRAM

Joint Connector Terminal Arrangement (F23, F24, F25):

ECM Terminals And Reference Value:

ECM TERMINALS AND REFERENCE VALUE MEASURED BETWEEN EACH TERMINAL AND GROUND.

CAUTION: DO NOT USE ECM GROUND TERMINALS WHEN MEASURING INPUT/OUTPUT VOLTAGE. DOING SO MAY RESULT IN DAMAGE TO THE ECM'S TRANSISTOR. USE A GROUND OTHER THAN ECM TERMINALS, SUCH AS THE GROUND.

Step 1:

Steps 2 - 4:

Steps 5 - 7:

Steps 8 - 10:

Steps 11 - 14:

Steps 15 - 18:

DIAGNOSTIC PROCEDURE