TM-9-2320-366-20-1 MTV Unit Maintenance Manual M1083 Series - Volume 1 Download
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TEST OPTIONS REASON FOR QUESTION Voltage Test or STE/ICE-R Test #89 KNOWN INFO 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. 6. WARNING CAUTION Read WARNING and CAUTION on following page. e55. 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. Is 12 VDC present at connector PX33 socket B1? TM 9-2320-366-20-1 2-680 Change 1 If 12 VDC is not present, wire 1903 is faulty. NO Repair wire 1903 from connector PX33 socket B1 to circuit breaker CB73 terminal 8 (para 2-45) or replace WTEC II dashboard cable assembly (para 7-10). YES