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? If 24VDC is not present, wire 1658 is faulty. If continuity is present, front air pressure transmitter is faulty. WARNING CAUTION Read WARNING and CAUTION on following page. KNOWN INFO Other indicator lights illuminate. FRONT BRAKE AIR pressure gage operates. Front brake air indicator lamps OK. Lighted indicator display OK. POSSIBLE PROBLEMS Faulty front air pressure transmitter. Faulty dashboard cable assembly. 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). Replace front air pressure transmitter (para 7-36). e36. FRONT BRAKE AIR INDICATOR DOES NOT ILLUMINATE WHEN AIR PRESSURE IS BELOW 65 PSI (CONT) Voltage Test or STE/ICE-R Test #89 TM 9-2320-365-20-1 2-496 Change 1