TM 9-2350-247-20-1
HI TEMP DIFF OIL INDICATOR COMES ON (M548A1)Continued
0031 00
Y
1. Turn MASTER SWITCH OFF.
2. Measure resistance between connector pin (1) and ground (2) of
differential oil high temperature thermostatic switch.
3. Does multimeter read more than 5 ohms?
YES
NO
YN
1. Replace differential oil high
temperature thermostatic switch
(WP 0285 00).
2. Verify no faults found.
2Y
1. Connect engine harness circuit 328 plug to differential oil high
temperature thermostatic switch.
2. Inspect differential oil cooler hoses (1) for blockage and/or
damage.
3. Are differential oil cooler hoses free from blockage and/or
damage?
YES
NO
2YN
1. Clear blockage or replace differential
oil cooler hoses (WP 0340 00).
2. Verify no faults found.
0031 00-2