GENERAL SYSTEM DIAGNOSTICS SERVICE MANUAL NUMBER 23
Page 5E-40 90-861326--1 MARCH 1999
MEFI 3 - ECM Connector Chart
The following chart will aid in diagnosis of symptoms. These voltages were derived from a
known good engine. The voltages shown were done with the electrical system intact and
operational. These are voltage requirements to operate the different circuits.
CAUTION
Do not attempt to obtain these voltages by probing wires and connectors. Serious
damage could result in loss of engine operation or wiring damage. Voltages can
vary with battery conditions.
J-1
a
J-1 Connector
J-2
a
J-2 Connector
a-Shaded Area Denotes Pin Connector Location Used On Terminal
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