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EDIS System: Notes

NOTE: Start all diagnostics with charts in TESTS W/CODES article in the ENGINE PERFORMANCE Section. Perform Quick Test procedure in TESTS W/CODES article in the ENGINE PERFORMANCE Section before entering this test. These tests are dependent on results of Quick Test procedure.
NOTE: The EDIS Diagnostic Cable (Rotunda 007-00059) should be used to diagnose this system. This cable is equipped with additional resistors, circuits and components used to enhance and modify signals for testing purposes. If an aftermarket test cable is used, or diagnosis is being performed using only a DVOM, ensure technician is familiar with system wiring diagram and system operation.
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