TM-9-2320-366-20-1 MTV Unit Maintenance Manual M1083 Series - Volume 1 Download
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e31. PARKING BRAKE INDICATOR AND/OR EMERGENCY BRAKE INDICATOR DOES NOT ILLUMINATE (CONT) KNOWN INFO TEST OPTIONS POSSIBLE PROBLEMS Visual Inspection REASON FOR QUESTION This question eliminates possible problems and determines where troubleshooting continues. Does emergency brake indicator illuminate? 2. NO YES Go to step 5 of this fault. KNOWN INFO TEST OPTIONS REASON FOR QUESTION Continuity Test or STE/ICE-R Test #91 POSSIBLE PROBLEMS If continuity is present, wire 1616 is faulty. NO Go to step 4 of this fault. YES CAUTION Read CAUTION on following page. 3. Faulty dashboard cable assembly. Faulty parking brake indicator lamps. Faulty lighted indicator display. Faulty emergency brake indicator lamps. Faulty dashboard cable assembly. Faulty parking brake indicator lamps. Faulty lighted indicator display. Parking brake operates. Circuit breaker CB77 OK. Front lights cable assembly OK. Low pressure transmitter OK. Parking brake operates. Circuit breaker CB77 OK. Front lights cable assembly OK. Low pressure transmitter OK. Emergency brake indicator lamps OK. TM 9-2320-366-20-1 2-456 Change 1 Repair wire 1616 from connector PX7 pin 22 to splice E2 (para 2-45) or replace WTEC II dashboard cable assembly (para 7-10) or WTEC III dashboard cable assembly (para 7-11). Is continuity present from lighted indicator display socket 27 to socket 22?