TM-9-2320-366-20-2 MTV Unit Maintenance Manual M1083 Series - Volume 2 Download
Page 1081 of 1632
WARNING Remove rings, bracelets, watches, necklaces, and any other jewelry before working around vehicle. Jewelry can catch on equipment and cause injury or short across electrical circuits and cause severe burns or electrical shock. 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. VOLTAGE TEST 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 clamp from connector P115. (2) Disconnect connector P115 from WTEC III ECU. (3) Set multimeter to volts DC. (4) Connect positive (+) probe of multimeter to connector P115 socket 16. (5) Connect negative (-) probe of multimeter to ground note reading on multimeter. (6) If 24 VDC is not present, repair wire 136 from connector P115 sockets 16 to circuit breaker CB43 (para 2-45) or replace WTEC III dashboard cable assembly (para 7-11). TM 9-2320-366-20-2 Change 1 2-1822.13