TM 10-3930-675-20-10040 00-9BOOM LIFTING/LOWERING TROUBLESHOOTING - CONTINUED0040 00Table 5. Error Code 154 - Lift Cylinder Boom Up Valve, Wiring Circuit FailureTroubleshooting Procedures - Continued.MALFUNCTIONTEST OR INSPECTIONCORRECTIVE ACTIONError Code 154 - Lift Cylinder Boom Up Valve,Wiring Circuit Failure - Continued6. Disconnect electricalconnector from boom upsolenoid 6005 and performvoltage check.a. Confirm 20-25V arepresent at connector 6005. If 20-25V are present atconnector 6005, replace boomup solenoid (WP 0169 00).b. If voltage is not present,check continuity betweenconnector X158 pin 1 andsolenoid 6005 connectorpin 1 and betweenconnector X158 pin 2 andsolenoid 6005 connectorpin 2.a. If continuity is not present,repair or replace connectors(WP 0111 00). b. If wiring harness must bereplaced, notify SRA.7. Enter “DIAG SERVO 9 (13)”menu and check current ofOUTPUT LIFT. Currentshould be present withjoystick activated to raiseboom.If voltage is not as specified,replace ECU (790) (WP 007900).
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