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 KNOWN INFO Continuity Test or STE/ICE-R Test #91 9. POSSIBLE PROBLEMS Faulty dashboard cable assembly. Faulty rear lights cable assembly. Faulty REVERSE WARNING relay in WTEC II VIM. Faulty WTEC II transmission ECU pushbutton shift selector. If continuity is not present, wire 490 in WTEC II dashboard cable assembly is faulty. e53. BACKUP LIGHT DOES NOT ILLUMINATE (CONT) Circuit breaker CB70 OK. Circuit breaker CB73 OK. Both turn signals illuminate. Engine starts. Transmission reverse (R) range OK. Backup light lamps OK. Backup light assembly OK. WTEC II transmission controls. WTEC II cab transmission harness OK. CAUTION Read CAUTION on following page. Is continuity present from connector PX33 socket A1 to connector J51 pin 2? Repair wire 490 from connector PX33 socket A1 to connector J51 pin 2 (para 2-40) or replace WTEC II dashboard cable assembly (para 7-10). TM 9-2320-365-20-1 2-654 Change 1