TM 9-2320-364-20-42-3003(1) Start engine (TM 9-2320-364-10).(2) Drive truck with CTIS inEMERGENCY and the transfer casein LOW and observe steeringconditions.(a) If differentials do not lockup, faultnot corrected. Turn OFF ENGINE switch and notify DS Maintenance.(b) If differentials lockup, fault hasbeen corrected.(3) Turn OFF ENGINE switch.VERIFY REPAIRNOTESteering will become more difficult with theCTIS in EMERGENCY and the transfer case inLOW if axles are locking up correctly.