TM-9-2320-365-34-1 LMTV Direct Maintenance Manual M1078 Series - Volume 1 Download
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c66. WTEC III TRANSMISSION PUSHBUTTON SHIFT SELECTOR (TPSS) DISPLAYS MAIN CODE 42, 44, 45, 46, AND/OR 69 SUB CODE 21 (PRIOR TO SERIAL NUMBER 6510032369 WITH TRANSMISSION ADAPTER CABLE ASSEMBLY) (CONT) TM 9-2320-365-34-1 2-800 Change 1 TEST OPTIONS KNOWN INFO 5. POSSIBLE PROBLEMS Continuity Test or STE/ICE-R Test #91 REASON FOR QUESTION Faulty transmission internal wiring harness. Faulty F solenoid. Faulty WTEC III transmission ECU. Circuit breaker OK. Batteries OK. WTEC III cab transmission harness OK. Transmission external wiring harness OK. Transmission adapter cable assembly OK. Is continuity present from internal wiring harness 24-pin connector pin D3 to internal wiring harness connector F pin A? If continuity is not present, transmission internal wiring harness is faulty. NO YES Replace transmission internal wiring harness (para 7-13).