TM-9-2320-365-20-1 LMTV Unit Maintenance Manual M1078 Series - Volume 1 Download

Page 534 of 1760

CAUTION Read CAUTION on following page. TEST OPTIONS Continuity Test or STE/ICE-R Test #91 REASON FOR QUESTION This question eliminates possible problems and determines where troubleshooting continues. KNOWN INFO NO YES e14. TACHOMETER DOES NOT OPERATE OR IS INACCURATE (CONT) Is continuity present from connector P901 pin 4 to connector J31 pin 8? 7. Faulty dashboard cable assembly. Faulty auxiliary panel cable assembly. Faulty engine control cable assembly. POSSIBLE PROBLEMS Tachometer illuminates. VOLTS gage OK. Engine speed sensor OK. Repair wire 1444 from connector P31 socket 8 to connector P38 pin 1 (para 2-40) or replace engine control cable assembly (para 7-72). Go to step 8 of this fault. TM 9-2320-365-20-1 2-356 Change 1