Power Supply Testing
Main Power Supply and Ground CircuitEC-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