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WTEC II TRANSMISSION ECU PUSHBUTTON SHIFT SELECTOR (TEPSS) DISPLAYS MAIN         CODE 43 SUB CODE 26 (SERIAL NUMBER 6510032369 AND HIGHER)
WTEC II TRANSMISSION ECU PUSHBUTTON SHIFT SELECTOR (TEPSS) DISPLAYS MAIN         CODE 43 SUB CODE 26 (SERIAL NUMBER 6510032369 AND HIGHER) (CONT) - TM-9-2320-366-34-1_653

TM-9-2320-366-34-1 M1078 Series 2 1/2-Ton 4x4 Light Medium Tactical Vehicles (LMTV) Manual
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Change 1          2-525 TM 9-2320-366-34-1 CONTINUITY TEST (Cont) (11)  Connect negative (-) probe of multimeter         to all other pins in connector P119 and         note reading on multimeter. (12)  Connect negative (-) probe of multimeter          to ground and note reading on multimeter. (13)  If continuity is present, transmission         external wiring harness is shorted; replace         transmission external wiring harness         (para 6-7).   (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)  Disconnect external wiring harness         31-pin connector from internal wiring         harness 31-pin connector.   (6)  Set multimeter to ohms.   (7)  Connect positive (+) probe of multimeter         to connector P119-K.   (8)  Connect negative (-) probe of multimeter         to external wiring harness 31-pin         connector pin g and note reading on         multimeter.   (9)  If continuity is not present, replace         transmission external wiring harness         (para 6-7). (10)  Connect positive (+) probe of multimeter         to connector P119-K. CONTINUITY TEST Inspect connector pins/sockets for damage, corrosion, and serviceability.  Check that connector pins are not pushed back and are capable of making good contact. NOTE 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. 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. CAUTION Wear appropriate eye protection when working under vehicle due to the possibility of falling debris.  Failure to comply may result in injury to personnel. WARNING Ensure exhaust system is cool before performing troubleshooting. Failure to comply may result in injury to personnel.







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