TM 10-3930-675-20-10041 00-5BOOM IN/OUT TROUBLESHOOTING - CONTINUED0041 00Table 3. Error Code 160 - Extension Cylinder Boom IN Control, Wiring Circuit FailureTroubleshooting Procedures - Continued.MALFUNCTIONTEST OR INSPECTIONCORRECTIVE ACTIONError Code 160 - Extension Cylinder Boom INControl, Wiring Circuit Failure - Continued4. Perform voltage check atconnector X154 pin 3.a. If 20-25V is present, checkcontinuity between con-nector X154 pin 3 and ECU(790) connector 2 pin 9.If continuity is not present,repair or replace connectors (WP0111 00).b. If voltage is not present,check continuity betweenconnector X154 pin 3 andemergency stop switch 250pin 2.If continuity is not present,repair or replace connectors (WP0111 00).5. Move operator’s cab totransport position and removetransmission rear accesscover (WP 0135 00).6. Disconnect electricalconnector from boom insolenoid 6007 and performvoltage check.a. Confirm 20-25V arepresent at connector 6007. If 20-25V are present atconnector 6007, replace boom insolenoid (WP 0169 00).b. If voltage is not present,check continuity betweenconnector X158 pin 5 andsolenoid 6007 connectorpin 1 and betweenconnector X158 pin 6 andsolenoid 6007 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 10(13)” menu and check currentof BOOM IN. Current shouldbe present with joystickactivated to move boom in.If voltage is not as specified,replace ECU (790) (WP 007900).
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