TM-9-2320-365-20-1 LMTV Unit Maintenance Manual M1078 Series - Volume 1 Download
Page 537 of 1760
CONTINUITY TEST NOTE Perform steps (8) through (11) if continuity is present. (8) Connect connector P901 to tachometer connector. (9) Connect connector clamp on tachometer connector. (10) Position auxiliary panel on auxiliary panel housing with six screws. (11) Tighten six screws to 18 lb-in. (2 N·m). TM 9-2320-365-20-1 Change 1 2-356.3 CAUTION Use care when testing electrical connectors. Do not damage connector pins or sockets with multimeter probes. Failure to comply may result in damage to equipment. NOTE Inspect connector pins/sockets for damage, corrosion, and serviceability. Check that connector pins are not pushed back and are capable of making good contact. (1) Disconnect connector PX26 from frequency ECU connector. (2) Set multimeter to ohms. (3) Connect positive (+) probe of multimeter to connector P901 pin 4. (4) Connect negative (-) probe of multimeter to connector PX26 socket 1 and note reading on multimeter. (5) If continuity is not present, go to step 9 of this fault. (6) If continuity is present, repair wire 1444 from connector PX26 socket 1 to connector J31 pin 8 (para 2-40) or replace WTEC II dashboard cable assembly (para 7-10) or WTEC III dashboard cable assembly (para7-11). (7) Connect connector PX26 to frequency ECU connector.