TM-9-2320-365-20-1 LMTV Unit Maintenance Manual M1078 Series - Volume 1 Download
Page 505 of 1760
CONTINUITY TEST CONTINUITY TEST 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 or not capable of making good contact. (1) Remove kick panel (para 16-3). (2) Loosen screw in connector PX33. (3) Disconnect connector PX33 from WTEC II VIM. (4) Set multimeter to ohms. (5) Connect positive (+) probe of multimeter to connector PX33 socket H2. (6) Connect negative (-) probe of multimeter to connector PX8 pin 4 and note reading on multimeter. (7) If continuity is not present, repair wire 1793 from connector PX33 socket H2 to connector PX8 pin 4 (para 2-40) or replace WTEC II dashboard cable assembly (para 7-10). (1) Remove PDP cover (TM 9-2320-365-10). (2) Remove three screws and washers from PDP. (3) Remove three screws from PDP. (4) Lift PDP outward to gain access. (5) Disconnect connector P111 from connector J111. (6) Set multimeter to ohms. (7) Connect positive (+) probe of multimeter to connector PX33 socket H2. (8) Connect negative (-) probe of multimeter to ground and note reading on multimeter. (9) If continuity is present, remove plastic cable ties as required and perform visual inspection of wire 1793 from connector PX33 socket H2 to connector PX8 pin 4 and wire 1793 from connector PX8 pin 4 to connector J111 socket B to determine which wire is faulty. Repair wire 1793 (para 2-40) or replace WTEC II dashboard cable assembly (para 7-10). (10) Connect connector PX33 to WTEC II VIM. (11) Tighten screw in connector PX33. Change 1 2-339 TM 9-2320-365-20-1 (12) Install kick panel (para 16-3).