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TM-9-2320-387-24 HMMWV Direct Support & General Support Maintenance Manual Volume 1 Download

Page 568 of 1205

TM 9-2320-387-24-l Table 2-6. STEIICE-R W-Chain Tests (Cont’d). MODE /IPA ONon MESSAGE l Does the VTM display PASS? I I The VTM can fail Confidence Test if a bad transducer is connected to it. If the VTM fails Confidence Test when powered by Wl (IXA mode), remove all cable from the VTM and connect only WS, then clip W5 to the vehicle batteries. If it passes Confidence Test this way, there is a bad transducer in the vehicle’s DCA. If it fails, the VTM has failed internally. Repeat TM 9-491 O-571 -12&P. l STE/ICE-R is bad. Replace. I NOTE I 4 ENTER VEHICLE IDENTlFlCATtON NUMBER (VIN): l Dial 60 into TEST SELECT and press TEST. l When UEH appears, dial vehicle identification number (21) into TEST SELECT and press TEST. If messageEOlO appears, either wrong number is entered or VTM is conned- ed to wrong DCA con- I l VIN entered should appear on the display. I I nector. l Does the VTM display the number 2l? 3 llUEH I PROMPTING - MESSAGE 11 l Does the VTM display the number 213 l STE/ICE-R is bad. Replace. I l Proceed to troubleshooting procedures. I 2-522