TM-9-2320-366-20-2 MTV Unit Maintenance Manual M1083 Series - Volume 2 Download
Page 823 of 1632
Change 1 2-1629 TM 9-2320-366-20-2 Sub Code Connector J114 Connector J119 21 26 7 16 F K CAUTION Loose or dirty connectors may cause intermittent loss of power to transmission ECU and diagnostic codes to be logged. Ensure that all connectors are clean and tight before performing troubleshooting. Failure to comply may result in incorrect test results. 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. Inspect connector pins/sockets for damage, corrosion, and serviceability. Check that connector pins are not pushed back and are capable of making good contact. CONTINUITY TEST NOTE (1) Remove two screws and washers from front grille. (2) Remove screw and washer from front grille. (3) Remove front grille from cab. (4) Disconnect connector P119 from connector J119. (5) Remove instrument panel assembly for access (para 7-15). (6) Disconnect connectors J114 and J115 from WTEC II TEPSS. (7) Set multimeter to ohms. (8) Connect positive (+) probe of multimeter to High side socket of connector J119. Refer to Table 2-23. Main Code 43 Sub Code 21 and 26 High Side Test Points. (9) Connect negative (-) probe of multimeter to High side socket of connector J114 and note reading on multimeter. Refer to Table 2-23. Main Code 43 Sub Code 21 and 26 High Side Test Points. (10) Connect negative (-) probe of multimeter to all other sockets in connector J114, one at a time, and note reading on multimeter. (11) Connect negative (-) probe of multimeter to all sockets in connector J115, one at a time, and note reading on multimeter. (12) Connect negative (-) probe of multimeter to ground and note reading on multimeter. (13) If continuity is not present in step 9, or continuity is present in step 10, 11, or 12, replace WTEC II cab transmission harness (para 7-137). Table 2-23. Main Code 43 Sub Code 21 and 26 High Side Test Points