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 REASON FOR QUESTION Continuity Test or STE/ICE-R Test #91 POSSIBLE PROBLEMS NO YES CAUTION Read CAUTION on following page. 7. If continuity is not present, lighted indicator display is faulty. Replace lighted indicator display (para 7-16). Parking brake operates. Circuit breaker CB77 OK. Parking brake indicator lamps OK. Emergency brake indicator lamps OK. KNOWN INFO TEST OPTIONS REASON FOR QUESTION Continuity Test or STE/ICE-R Test #91 NO YES CAUTION Read CAUTION on following page. 8. Parking brake operates. Circuit breaker CB77 OK. Parking brake indicator lamps OK. Emergency brake indicator lamps OK. Lighted indicator display OK. POSSIBLE PROBLEMS Is continuity present from connector PX7 pin 22 to connector J27 socket 16? If continuity is not present, wire 1616 is faulty. Faulty dashboard cable assembly. Faulty front lights cable assembly. Faulty low pressure transmitter. Faulty lighted indicator display. Faulty dashboard cable assembly. Faulty front lights cable assembly. Faulty low pressure transmitter. TM 9-2320-366-20-1 Repair wire 1616 from splice E2 to connector J27 socket 16 (para 2-45) or replace WTEC II dashboard cable assembly (para 7-10) or WTEC III dashboard cable assembly (para 7-11). 2-464 Change 1 Is continuity present from lighted indicator display socket 27 to socket 22?