TM-9-2320-365-20-1 LMTV Unit Maintenance Manual M1078 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 Repair wire 1658 from connector PX7 pin 27 to terminal board TB1 position 61 (para 2-40) or replace WTEC II dashboard cable assembly (para 7-10) or WTEC III dashboard cable assembly (para 7-11). e37. REAR BRAKE AIR INDICATOR DOES NOT ILLUMINATE WHEN AIR PRESSURE IS BELOW 65 PSI (CONT) 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. Replace rear air pressure transmitter (para 7-36). If 24VDC is not present, wire 1658 is faulty. If continuity is present, rear air pressure transmitter is faulty. Voltage Test or STE/ICE-R Test #89 TM 9-2320-365-20-1 2-502 Change 1