TM-9-2320-366-20-2 MTV Unit Maintenance Manual M1083 Series - Volume 2 Download
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KNOWN INFO 4. Does transmission auxiliary oil cooler fan operate? TEST OPTIONS Auxiliary Oil Cooler Fan Test REASON FOR QUESTION Transmission may overheat if fan does not operate which will cause WTEC II TEPSS to display main code 24 and/or 33 sub code 23. WARNING Read WARNING on following page. NO YES Perform Electrical System Troubleshooting (e148. Transmission Auxiliary Oil Cooler Fan Does Not Operate (All Models Except M1088/M1089) or e149. M1088/M1089 Transmission Auxiliary Oil Cooler Fan Does Not Operate). 2-1612 Change 1 f5. WTEC II TRANSMISSION ECU PUSHBUTTON SHIFT SELECTOR (TEPSS) DISPLAYS MAIN CODE 24 AND/OR 33 AND ANY SUB CODE (CONT) TM 9-2320-366-20-2 Transmission oil level OK. Fuse OK. Batteries OK. Engine does not overheat. Transmission oil cooler tubes OK. Transmission oil cooler hoses OK. Transmission oil cooler OK. POSSIBLE PROBLEMS Faulty transmission auxiliary oil cooler. Faulty transmission oil filters. Faulty WTEC II cab transmission harness. Faulty transmission external wiring harness. Faulty WTEC II TEPSS.