2-306.4 Change 4TM 9-2350-267-20CDUse a multimeter and check for voltage at the ENGINE SYSTEM POWERon the test box in the CONSTANT and SWITCHED power jacks. Ifmultimeter indicates between 22 and 28 vdc for both check, go to step D.If voltage reading is not between 22 and 28 vale, perform engine AFEStroubleshooting procedure per applicable fault LED. Verify problemsolved.Run a system test by pressing the engine AFES T/A panel toggle switchto SYSTEM TEST and release. If yellow FAULT lamp illuminates,observe the red LED’s for fault isolation. If the FAULT lamp illuminates,go to step E. If the FAULT lamp does not illuminate, go to step H.
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