TM-9-2320-387-24 HMMWV Direct Support & General Support Maintenance Manual Volume 1 Download
Page 469 of 1205
TM 9-2320-387-24-l DIAGNOSTIC FLOWCHART TRANSMISSION SYSTEM TRANSMISSION TEMPERATURE SENSOR The Transmission Temperature Sensor (ITS) is a thermistor. The resistance decreases temperature increases. At 68°F (2O”C), the resistance should be from 2,980 to 4,020 ohms. At 248°F (12O”C), the resistance should be 90 to 111 ohms. RESISTANCE TOO LOW 923A Disconnect transmission connector from transmission. Check continuity from Jl pin e to Jl pin c. Repair short from wire 923P to wire 359A/B/C/D (para. 4-80). I Check continuity from Jl pin e to chassis ground. I&& I ‘U Q NO 1 I Repair wire 923A (para. 4-80). I I I I 1 Refer to DS maintenance (chapter 14). 1 RESISTANCE TOO HIGH Disconnect transmission connector from transmission. Check , continuity from Jl pin e to transmission connector pin L. I 0 YES Repair break in wire 923A (para. 4-80). 1~ Check continuity from Jl pin c to transmission connector pin M. I Repair break in wire 359A/B/C/D 1 Refer to DS maintenance (chapter 14). 1 2-417/(2-418 blank)