TM-9-2320-366-34-1 MTV Direct Maintenance Manual M1083 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 9-2320-366-34-1 2-806 Change 1 KNOWN INFO TEST OPTIONS REASON FOR QUESTION 7. POSSIBLE PROBLEMS Resistance Test or STE/ICE-R Test #91 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. Transmission internal wiring harness OK. Is 2.5-5.0 ohms resistance present from F solenoid pin A to pin B? If 2.5-5.0 ohms resistance is not present, F solenoid is faulty. If 2.5-5.0 ohms resistance is present, WTEC III transmission ECU is faulty. NO Replace F solenoid (para 7-8). YES Replace WTEC III transmission ECU (TM 9-2320-366-20-4).