TM-9-2320-365-20-1 LMTV Unit Maintenance Manual M1078 Series - Volume 1 Download
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KNOWN INFO TEST OPTIONS Visual Inspection REASON FOR QUESTION 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 NO Go to step 4 of this fault. YES CAUTION Read CAUTION on following page. 3. Repair wire 1616 from connector PX7 pin 22 to splice E2 (para 2-40) or replace WTEC II dashboard cable assembly (para 7-10) or WTEC III dashboard cable assembly (para 7-11). e31. PARKING BRAKE INDICATOR AND/OR EMERGENCY BRAKE INDICATOR DOES NOT ILLUMINATE (CONT) This question eliminates possible problems and determines where troubleshooting continues. Parking brake operates. Circuit breaker CB77 OK. Front lights cable assembly OK. Low pressure transmitter OK. POSSIBLE PROBLEMS Faulty emergency brake indicator lamps. Faulty dashboard cable assembly. Faulty parking brake indicator lamps. Faulty lighted indicator display. Does emergency brake indicator illuminate? If continuity is present, wire 1616 is faulty. Is continuity present from lighted indicator display socket 27 to socket 22? Parking brake operates. Circuit breaker CB77 OK. Front lights cable assembly OK. Low pressure transmitter OK. Emergency brake indicator lamps OK. POSSIBLE PROBLEMS Faulty dashboard cable assembly. Faulty parking brake indicator lamps. Faulty lighted indicator display. 2-446 Change 1 TM 9-2320-365-20-1