Grand Prix V6-252 4.1L (1982)
ECM - DIAGNOSIS CHART
1.
Chart C-1 ECM replacement check, or
2.
Any diagnostic chart where "Replace ECM" is the conclusion, especially if a footnote indicates checking certain circuits for less than 20 OHM's
resistance.
It is strongly suggested that this chart be used whenever an ECM replacement is indicated for 1982-87 vehicles.