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 5. POSSIBLE PROBLEMS Faulty dashboard cable assembly. Faulty WTEC II cab transmission harness. Faulty rear lights cable assembly. Faulty REVERSE WARNING relay in WTEC II VIM. Faulty WTEC II transmission ECU pushbutton shift selector. Is continuity present from REVERSE WARNING relay terminal 86 to terminal 85? Replace REVERSE WARNING relay in WTEC II VIM (para 8-6). Continuity Test or STE/ICE-R Test #91 If continuity is not present, REVERSE WARNING relay 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. TM 9-2320-365-20-1 2-646 Change 1