TM-9-2320-366-20-1 MTV Unit Maintenance Manual M1083 Series - Volume 1 Download
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TEST OPTIONS REASON FOR QUESTION NO YES 3. Is 24 VDC present at connector PX7 pin 27? WARNING CAUTION Read WARNING and CAUTION on following page. KNOWN INFO POSSIBLE PROBLEMS Other indicator lights illuminate. REAR BRAKE AIR pressure gage operates. Rear brake air indicator lamps OK. Lighted indicator display OK. Faulty rear air pressure transmitter. Faulty dashboard cable assembly. If 24VDC is not present, wire 1658 is faulty. If continuity is present, rear air pressure transmitter is faulty. e38. REAR BRAKE AIR INDICATOR DOES NOT ILLUMINATE WHEN AIR PRESSURE IS BELOW 65 PSI (CONT) Replace rear air pressure transmitter (para 7-44). Repair wire 1658 from connector PX7 pin 27 to terminal board TB1 position 61 (para 2-45) or replace WTEC II dashboard cable assembly (para 7-10) or WTEC III dashboard cable assembly (para 7-11). Voltage Test or STE/ICE-R Test #89 TM 9-2320-366-20-1 2-522 Change 1