CONTINUITY TEST (Cont)Change 1 2-623TM 9-2320-365-34-1CAUTIONWARNINGInspect connector pins/sockets for damage,corrosion, and serviceability. Check thatconnector pins are not pushed back andare capable of making good contact.Wear appropriate eye protection when workingunder vehicle due to the possibility of fallingdebris. Failure to comply may result in injury to personnel.Ensure exhaust system is cool before performingtroubleshooting. Failure to comply may result ininjury to personnel.Loose or dirty connectors may causeintermittent loss of power to transmissionECU and diagnostic codes to be logged.Ensure that all connectors are clean and tightbefore performing troubleshooting. Failure tocomply may result in incorrect test results.Use care when testing electrical connectors.Do not damage connector pins or socketswith multimeter probes. Failure to complymay result in damage to equipment.NOTECONTINUITY TEST(11) Connect negative (-) probe of multimeterto all other pins in connector P119 and note reading on multimeter.(12) Connect negative (-) probe of multimeterto ground and note reading on multimeter.(13) If continuity is present, transmissionexternal wiring harness is shorted; replacetransmission external wiring harness(para 6-7).(1) Remove two screws and washers fromfront grille.(2) Remove screw and washer from frontgrille.(3) Remove front grille from cab.(4) Disconnect connector P119 fromconnector J119.(5) Disconnect connector P67 from internalwiring harness 31-pin connector.(6) Set multimeter to ohms.(7) Connect positive (+) probe of multimeterto connector P119-a.(8) Connect negative (-) probe of multimeter toconnector P67-N and note reading onmultimeter.(9) If continuity is not present, replacetransmission external wiring harness(para 6-7).(10) Connect positive (+) probe of multimeterto connector P119-a.
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