TM-9-2320-366-20-2 MTV Unit Maintenance Manual M1083 Series - Volume 2 Download
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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. 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. CONTINUITY TEST TM 9-2320-366-20-2 Change 1 2-1743 (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 kick panel (para 16-3). (6) Disconnect connector clamp from connector P114. (7) Disconnect connector P114 from WTEC III transmission ECU. (8) Set multimeter to ohms. (9) Connect positive (+) probe of multimeter to connector J119j. (10) Connect negative (-) probe of multimeter to connector P114-12 and note reading on multimeter. (11) Connect negative (-) probe of multimeter to all other sockets in connector P114, 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 10, or continuity is present in step 11 or 12, replace WTEC III cab transmission harness (para 7-138).