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E-7
TROUBLESHOOTING
E-7
SAE-300
®
HE
Ifforanyreasonyoudonotunderstandthetestproceduresorareunabletoperformthetests/repairssafely,contactyour
Local Lincoln Authorized Field Service Facility
fortechnicaltroubleshootingassistancebeforeyouproceed.
CAUTION
LIGHT CODE
FAILURE DETECTED
POSSIBLE CAUSE - CORRECTIVE MEASURE
LONG1,SHORT1RPMISOVER115%OFRATEDRPM(2070RPM)ACTUATORISSTUCK-REMOVEACTUATORANDVERIFY
PLUNGERPULLSINWHENENERGIZED
LONG1,SHORT2LOWOILPRESSUREDETECTEDFOR1SECONDLOWOIL-CHECKOILLEVELONDIPSTICK
FAULTY OIL PRESSURE SWITCH - CHECK THAT "WK"
STUDISOPENWHENENGINEISRUNNING
LEAD TO OIL PRESSURE SWITCH "WK" STUD MAY BE
GROUNDED-CHECK
LONG1,SHORT3"L"TERMINALISGROUNDEDONALTERNATORBROKENORLOOSEBELT
FOR1SECOND
LEADTO"L"TERMINALONALTERNATORMAYBE
SHORTEDTOGROUND-CHECK
FAULTYALTERNATOR-CHECK
LONG1,SHORT4
HIGHWATERTEMPERATUREDETECTED
AMOUNTORQUALITYOFCOOLANTINCORRECT
FOR1SECOND
-CHECK
FAULTYWATERTEMPERATURESWITCH-CHECKTHAT
"WK"STUDISOPENWHENENGINEISNOTRUNNING
LEADTOWATERTEMPERATURESWITCHMAYBE
GROUNDED-CHECK
LONG1,SHORT5
NOTENABLEDFORLINCOLNPRODUCTS
LONG2,SHORT10RPMISDETECTEDAND12VISDETECTEDFAULTYRPMSENSOR-CHECKFORGOODCONNECTION
FROM"L"TERMINALONALTERNATOR
FAULTYECU-CHECKFOR12VOLTSONSUPPLYLEAD
TORPMSENSORFROMECU
LONG2,SHORT2
CURRENTTOACTUATORISOUTOFLIMIT
FAULTYACTUATOR-CHECKFORPROPERCOIL
RESISTANCE
LEADSTOACTUATORMAYBEOPENORGROUNDED
-CHECK
LONG2,SHORT3
NOTENABLEDFORLINCOLNPRODUCTS
LONG2,SHORT4
-50CWATERTEMPERATUREDETECTED
FAULTYWATERTEMPERATURESENSOR-CHECKFOR
PROPERRESISTANCE
LEADTOWATERTEMPERATURESENSORMAYBEOPEN
-CHECKFORCONTINUITY
LONG2,SHORT5 150CWATERTEMPERATUREDETECTED
FAULTYWATERTEMPERATURESENSOR-CHECKFOR
PROPERRESISTANCE
LEADTOWATERTEMPERATURESENSORMAYBE
GROUNDED-CHECK
LONG2,SHORT6
0VOLTSDETECTEDFROM"L"TERMINALONLEADTO"L"TERMINALONALTERNATORMAYBEOPEN
ALTERNATORFOR1SECOND
-CHECKFORCONTINUITY
BROKENORLOOSEBELT-INSPECT
FAULTYALTERNATOR-CHECK
LONG2,SHORT7
OVER18VOLTSDETECTEDFROMALTERNATORINCORRECTBATTERY-INSPECT
FAULTYALTERNATOR-CHECK
LONG2,SHORT8
LESSTHAN4VOLTSTORPMSENSORAND/ORFAULTYECU-CHECKFOR12VOLTSONLEADSTORPM
ACTUATORSENSEDBYECU
SENSORANDACTUATORFROMECU
Summary of Contents for SAE-300 HE
Page 34: ...SAE 300 HE NOTES ...